| VL-TAs-101 Total Arsenic Online Monitor |
- 1. Measurement Principle: Dithiodiantimonymethane Method
- 2. Measurement range: 0~0.5mg/L; 0~1mg/L; 0~2mg/L (expandable)
- 3. Indication error: ±10%
- 4. Repeatability: ±5%
- 5. Zero drift: ±5%
- 6. Range drift: ±10%
- 7. Limit of detection: ≤0.02 mg/L
- 8. Measurement cycle: ≤50 minutes
- 9. Instrument quality control: Automatic verification of standard solutions can be set at any time.
- Regular automatic calibration can be set at specific times.
- 10. Waste liquid separation: Reaction waste liquid and cleaning waste liquid have their own independent channels.
- 11. Control signals: 2-channel digital input, 2-channel digital output
- 12. Communication interface: RS232/485, RJ45, 2 channels of digital output in parallel.
- 13. Analog signal: 4-20mA
- 14. Operating power supply: AC (220±20)V; (50±0.5)Hz
- 15. Other aspects:
- (1) It adopts a 10-inch high-performance embedded integrated touch screen;
- (2) It has the function of recording the instrument operation process log; it can store at least one year of raw data and operation log; it has instrument abnormal alarm (including fault alarm, over-range alarm, over-standard alarm, reagent shortage alarm, etc.); it automatically saves data when power is off; it has TFT true color LCD touch screen display and command input; it automatically restores working status after abnormal reset and power failure; it has instrument status (such as measurement, idle, fault, maintenance, etc.) display function; the instrument has three-level management permissions.
- 16.★Instrument Functions:
- (1) It adopts a modular design. By replacing the measurement module, the measurement parameters can be switched to realize the conversion test of multiple parameters; the chemical module can realize the automatic and accurate measurement of all ranges by calibrating a single range, without the need to calibrate all ranges.
- (2) A quantitative loop system is used to achieve quantitative measurement. An adaptive capacitive micro liquid level detector is configured to reduce the influence of liquid color, pipe wall residue and pipe wall contamination, and improve the accuracy of measurement and detection. The liquid level gauge has adaptive and automatic alarm functions. The threshold can be automatically updated through a one-key reset button to ensure that color turbidity has no effect on liquid level detection. It also has a reagent shortage alarm.
- (3) It has a constant temperature function for the light source, and the temperature can be set to ensure the stability of the light source and reduce the interference of temperature on the light source;
- (4) It has the function of monitoring and alarming the remaining amount of pure water, reagents, verification samples and standard samples: the remaining amount of reagents/standard samples, the consumption amount per use and the alarm limit can be set;
- (5) It has the function of automatically and manually switching between multiple high and low ranges, and has the intelligent range selection function: automatically selects the appropriate range according to the concentration being measured and automatically switches it, and has an over-limit alarm function.
- (6) It has functions such as automatic standard sample verification, spike recovery, parallel sample testing, zero point verification, and span verification; it has a one-click start performance test function and can be remotely controlled.
- (7) The measurement reaction module and the control module are designed to be isolated to avoid cross-interference and chemical corrosion, thereby improving safety;
- The above functions require a scanned copy of the technical analysis and evaluation report issued by a provincial-level or higher (including provincial-level) technical supervision department, stamped with the official seal, as supporting documentation.
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| VL-CN-101 Cyanide Online Monitor |
- 1. Measurement Principle: Isonicotinic Acid-Barbituric Acid Spectrophotometry
- 2. Measurement range: 0~1mg/L; 0~5mg/L (expandable)
- 3. Indication error: ≤0.2mg/L, ±0.02mg/L; >0.2mg/L, ±10%;
- 4. Repeatability: ≤5%
- 5. Zero drift: ±5%
- 6. Range drift: ±10%
- 7. Detection limit: ≤0.01 mg/L
- 8. Measurement cycle: ≤45 minutes
- 9. Instrument quality control: Automatic verification of standard solutions can be set at any time.
- Regular automatic calibration can be set at specific times.
- 10. Waste liquid separation: Reaction waste liquid and cleaning waste liquid have their own independent channels.
- 11. Control signals: 2-channel digital input, 2-channel digital output
- 12. Communication interface: RS232/485, RJ45, 2 channels of digital output in parallel.
- 13. Analog signal: 4-20mA
- 14. Operating power supply: AC (220±20)V; (50±0.5)Hz
- 15. Other aspects:
- (1) It adopts a 10-inch high-performance embedded integrated touch screen;
- (2) It has the function of recording the instrument operation process log; it can store at least one year of raw data and operation log; it has instrument abnormal alarm (including fault alarm, over-range alarm, over-standard alarm, reagent shortage alarm, etc.); it automatically saves data when power is off; it has TFT true color LCD touch screen display and command input; it automatically restores working status after abnormal reset and power failure; it has instrument status (such as measurement, idle, fault, maintenance, etc.) display function; the instrument has three-level management permissions.
- 16.★Instrument Functions:
- (1) When the equipment is in measurement mode, it can simulate the actual measurement operation and display the following functions in the flowchart: peristaltic pump forward and reverse rotation, valve body switch, operation process description, process progress bar, detection timing, etc.
- (2) It adopts a modular design. By replacing the measurement module, the measurement parameters can be switched to realize the conversion test of multiple parameters. It can realize the automatic and accurate measurement of all ranges by calibrating a single range without the need to calibrate all ranges. It can also support the automatic measurement of each range by individual calibration.
- (3) A quantitative loop system is used to achieve quantitative measurement. An adaptive capacitive micro liquid level detector is configured to reduce the influence of liquid color, pipe wall residue and pipe wall contamination, and improve the accuracy of measurement and detection. The liquid level gauge has adaptive and automatic alarm functions. The threshold can be automatically updated through a one-key reset button to ensure that color turbidity has no effect on liquid level detection. It also has a reagent shortage alarm.
- The above functions require a scanned copy of the technical analysis and evaluation report issued by a provincial-level or higher (including provincial-level) technical supervision department, stamped with the official seal, as supporting documentation.
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| VL-TFe-101 Total Iron Online Monitoring Instrument |
- 1. Measurement Principle: o-phenanthroline spectrophotometry
- 2. Measurement range: 0~2mg/L; 0~10mg/L (expandable)
- 3. Indication error: Standard solution concentration ≤ 0.2 mg/L, ± 0.025 mg/L
- Standard solution concentration > 0.2 mg/L, ± 10%
- 4. Repeatability: ≤5%
- 5. Zero drift: ±5%
- 6. Range drift: ±10%
- 7. Detection limit: ≤0.05 mg/L
- 8. Measurement cycle: ≤50 minutes
- 9. Instrument quality control: Automatic verification of standard solutions can be set at any time.
- Regular automatic calibration can be set at specific times.
- 10. Waste liquid separation: Reaction waste liquid and cleaning waste liquid have their own independent channels.
- 11. Control signals: 2-channel digital input, 2-channel digital output
- 12. Communication interface: RS232/485, RJ45, 2 channels of digital output in parallel.
- 13. Analog signal: 4-20mA
- 14. Operating power supply: AC (220±20)V; (50±0.5)Hz
- 15. Other aspects:
- (1) It adopts a 10-inch high-performance embedded integrated touch screen;
- (1) It has the function of recording the instrument operation process log; it can store at least one year of raw data and operation log; it has instrument abnormal alarm (including fault alarm, over-range alarm, over-standard alarm, reagent shortage alarm, etc.); it automatically saves data when power is off; it has TFT true color LCD touch screen display and command input; it automatically restores working status after abnormal reset and power failure; it has instrument status (such as measurement, idle, fault, maintenance, etc.) display function; the instrument has three-level management permissions.
- 16. Instrument Functions:
- (1) It adopts a modular design. By replacing the measurement module, the measurement parameters can be switched to realize the conversion test of multiple parameters; the chemical module can realize the automatic and accurate measurement of all ranges by calibrating a single range, without the need to calibrate all ranges.
- (2) A quantitative loop system is used to achieve quantitative measurement. An adaptive capacitive micro liquid level detector is configured to reduce the influence of liquid color, pipe wall residue and pipe wall contamination, and improve the accuracy of measurement and detection. The liquid level gauge has adaptive and automatic alarm functions. The threshold can be automatically updated through a one-key reset button to ensure that color turbidity has no effect on liquid level detection. It also has a reagent shortage alarm.
- (3) It has a constant temperature function for the light source, and the temperature can be set to ensure the stability of the light source and reduce the interference of temperature on the light source;
- (4) It has the function of monitoring and alarming the remaining amount of pure water, reagents, verification samples and standard samples: the remaining amount of reagents/standard samples, the consumption amount per use and the alarm limit can be set;
- (5) It has the function of automatically and manually switching between multiple high and low ranges, and has the intelligent range selection function: automatically selects the appropriate range according to the concentration being measured and automatically switches it, and has an over-limit alarm function.
- The above functions require a scanned copy of the technical analysis and evaluation report issued by a provincial-level or higher (including provincial-level) technical supervision department, stamped with the official seal, as supporting documentation.
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| VL-TMn-101 Total Manganese Online Monitor |
- 1. Measurement Principle: Formaldehyde Oxime Spectrophotometry
- 2. Measurement range: 0~2mg/L; 0~10mg/L (expandable)
- 3. Indication error: Standard solution concentration ≤ 0.2 mg/L, ± 0.02 mg/L
- Standard solution concentration > 0.2 mg/L, ± 10%
- 4. Repeatability: ≤5%
- 5. Zero drift: ±5%
- 6. Range drift: ±10%
- 7. Detection limit: ≤0.03 mg/L
- 8. Measurement cycle: ≤50 minutes
- 9. Instrument quality control: Automatic verification of standard solutions can be set at any time.
- Regular automatic calibration can be set at specific times.
- 10. Waste liquid separation: Reaction waste liquid and cleaning waste liquid have their own independent channels.
- 11. Control signals: 2-channel digital input, 2-channel digital output
- 12. Communication interface: RS232/485, RJ45, 2 channels of digital output in parallel.
- 13. Analog signal: 4-20mA
- 14. Operating power supply: AC (220±20)V; (50±0.5)Hz
- 15. Other aspects:
- (1) It adopts a 10-inch high-performance embedded integrated touch screen;
- (2) It has the function of recording the instrument operation process log; it can store at least one year of raw data and operation log; it has instrument abnormal alarm (including fault alarm, over-range alarm, over-standard alarm, reagent shortage alarm, etc.); it automatically saves data when power is off; it has TFT true color LCD touch screen display and command input; it automatically restores working status after abnormal reset and power failure; it has instrument status (such as measurement, idle, fault, maintenance, etc.) display function; the instrument has three-level management permissions.
- 17. Instrument Functions:
- (1) It adopts a modular design. By replacing the measurement module, the measurement parameters can be switched to realize the conversion test of multiple parameters; the chemical module can realize the automatic and accurate measurement of all ranges by calibrating a single range, without the need to calibrate all ranges.
- (2) A quantitative loop system is used to achieve quantitative measurement. An adaptive capacitive micro liquid level detector is configured to reduce the influence of liquid color, pipe wall residue and pipe wall contamination, and improve the accuracy of measurement and detection. The liquid level gauge has adaptive and automatic alarm functions. The threshold can be automatically updated through a one-key reset button to ensure that color turbidity has no effect on liquid level detection. It also has a reagent shortage alarm.
- (3) It has a constant temperature function for the light source, and the temperature can be set to ensure the stability of the light source and reduce the interference of temperature on the light source;
- (4) It has the function of monitoring and alarming the remaining amount of pure water, reagents, verification samples and standard samples: the remaining amount of reagents/standard samples, the consumption amount per use and the alarm limit can be set;
- (5) It has the function of automatically and manually switching between multiple high and low ranges, and has the intelligent range selection function: automatically selects the appropriate range according to the concentration being measured and automatically switches it, and has an over-limit alarm function.
- The above functions require a scanned copy of the technical analysis and evaluation report issued by a provincial-level or higher (including provincial-level) technical supervision department, stamped with the official seal, as supporting documentation.
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| VL-TMn-101 Total Manganese Online Monitor |
- 1. Measurement Principle: Spectrophotometry of ketone-based ketones
- 2. Measurement range: 0~2mg/L, 0~5mg/L (expandable)
- 3. Repeatability: ≤5%
- 4. Zero drift: ±5%
- 5. Range drift: ±5%
- 6. Indication error: Standard solution concentration ≤0.2mg/L, ±0.02mg/L
- Standard solution concentration > 0.2 mg/L, ± 10%
- 7. Detection limit: ≤0.02 mg/L
- 8. Voltage stability: ±5.0%
- 9. Measurement cycle: ≤45 minutes
- 10. Instrument quality control: Automatic verification of standard solutions can be set at any time.
- Regular automatic calibration can be set at specific times.
- 11. Waste liquid separation: Reaction waste liquid and cleaning waste liquid have their own independent channels.
- 12. Control signals: 2-channel digital input, 2-channel digital output
- 13. Communication interface: RS232/485, RJ45, 2 channels of digital output in parallel.
- 14. Analog signal: 4-20mA
- 15. Operating power supply: AC (220±20)V; (50±0.5)Hz
- 16. Other aspects:
- (2) It adopts a 10-inch high-performance embedded integrated touch screen;
- (3) It has the function of recording the instrument operation process log; it can store at least one year of raw data and operation log; it has instrument abnormal alarm (including fault alarm, over-range alarm, over-standard alarm, reagent shortage alarm, etc.); it automatically saves data when power is off; it has TFT true color LCD touch screen display and command input; it automatically restores working status after abnormal reset and power failure; it has instrument status (such as measurement, idle, fault, maintenance, etc.) display function; the instrument has three-level management permissions.
- 17.★Instrument Functions:
- (1) It adopts a modular design. By replacing the measurement module, the measurement parameters can be switched to realize the conversion test of multiple parameters; the chemical module can realize the automatic and accurate measurement of all ranges by calibrating a single range, without the need to calibrate all ranges.
- (2) A quantitative loop system is used to achieve quantitative measurement. An adaptive capacitive micro liquid level detector is configured to reduce the influence of liquid color, pipe wall residue and pipe wall contamination, and improve the accuracy of measurement and detection. The liquid level gauge has adaptive and automatic alarm functions. The threshold can be automatically updated through a one-key reset button to ensure that color turbidity has no effect on liquid level detection. It also has a reagent shortage alarm.
- (3) It has a constant temperature function for the light source, and the temperature can be set to ensure the stability of the light source and reduce the interference of temperature on the light source;
- (4) It has the function of monitoring and alarming the remaining amount of pure water, reagents, verification samples and standard samples: the remaining amount of reagents/standard samples, the consumption amount per use and the alarm limit can be set;
- (5) It has the function of automatically and manually switching between multiple high and low ranges, and has the intelligent range selection function: automatically selects the appropriate range according to the concentration being measured and automatically switches it, and has an over-limit alarm function.
- (6) It has functions such as automatic standard sample verification, spike recovery, parallel sample testing, zero point verification, and span verification; it has a one-click start performance test function and can be remotely controlled.
- (7) When the equipment is in measurement mode, it can simulate the actual measurement operation and display it in the flowchart: peristaltic pump forward and reverse rotation, valve body switch, operation process description, process progress bar, detection timing and other display functions;
- The above functions require a scanned copy of the technical analysis and evaluation report issued by a provincial-level or higher (including provincial-level) technical supervision department, stamped with the official seal, as supporting documentation.
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| VL-TZn-101 Total Zinc Online Monitor |
- 1. Measurement Principle: Zinc Reagent Spectrophotometry
- 2. Measurement range: 0~2/10 mg/L, expandable
- 3. Indication error: ≤0.2 mg/L, ±0.02 mg/L; >0.2 mg/L, ±10%
- 4. Repeatability: ≤5%
- 5. Zero drift: ±5%
- 6. Range drift: ±10%
- 7. Detection limit: ≤0.01 mg/L
- 8. Voltage stability: ±5.0%
- 9. Measurement time: ≤50 minutes
- 10. Instrument quality control: Automatic verification of standard solutions can be set at any time.
- Regular automatic calibration can be set at specific times.
- 11. Waste liquid separation: Reaction waste liquid and cleaning waste liquid have their own independent channels.
- 12. Control signals: 2-channel digital input, 2-channel digital output
- 13. Communication interface: RS232/485, RJ45, 2 channels of digital output in parallel.
- 14. Analog signal: 4-20mA
- 15. Operating power supply: AC (220±20)V; (50±0.5)Hz
- 16. Other aspects:
- (1) It adopts a 10-inch high-performance embedded integrated touch screen;
- (2) It has the function of recording the instrument operation process log; it can store at least one year of raw data and operation log; it has instrument abnormal alarm (including fault alarm, over-range alarm, over-standard alarm, reagent shortage alarm, etc.); it automatically saves data when power is off; it has TFT true color LCD touch screen display and command input; it automatically restores working status after abnormal reset and power failure; it has instrument status (such as measurement, idle, fault, maintenance, etc.) display function; the instrument has three-level management permissions.
- 17.★Instrument Functions:
- (6) It adopts a modular design. By replacing the measurement module, the measurement parameters can be switched to realize the conversion test of multiple parameters; the chemical module can realize the automatic and accurate measurement of all ranges by calibrating a single range, without the need to calibrate all ranges.
- (7) A quantitative loop system is used to achieve quantitative measurement. An adaptive capacitive micro liquid level detector is configured to reduce the influence of liquid color, pipe wall residue and pipe wall contamination, and improve the accuracy of measurement and detection. The liquid level gauge has adaptive and automatic alarm functions. The threshold can be automatically updated through a one-key reset button to ensure that color turbidity has no effect on liquid level detection. It also has a reagent shortage alarm.
- (8) It has a constant temperature function for the light source, and the temperature can be set to ensure the stability of the light source and reduce the interference of temperature on the light source;
- (9) It has the function of monitoring and alarming the remaining amount of pure water, reagents, verification samples and standard samples: the remaining amount of reagents/standard samples, the consumption amount per use and the alarm limit can be set;
- (10) It has the function of automatically and manually switching between multiple high and low ranges, and has the intelligent range selection function: automatically selects the appropriate range according to the concentration and automatically switches it, and has an over-limit alarm function.
- (11) It has the function of recording the entire process of log operation and fault handling; it can retrieve fault-related operation logs and fault handling results; it supports the presence of a QR code that can be scanned on the "Alarm Query" interface after an alarm, and has fault handling documents, built-in maintenance methods and videos;
- (The above functions require a scanned copy of the technical analysis and evaluation report issued by a provincial or higher-level (including provincial) technical supervision department, stamped with the official seal, as proof.)
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| VL-Cr6+-101 Hexavalent Chromium Water Quality Online Monitor |
- 1. Measurement Principle: Diphenylcarbazide Spectrophotometry
- 2. Measurement range: 0~2mg/L; 0~5mg/L (expandable)
- 3. ★Precision: ≤0.5% (A scanned copy of the Ministry of Environmental Protection's test report and certification certificate, stamped with the official seal, is required)
- 4. ★Zero-point drift: ≤0.01% (A scanned copy of the Ministry of Environmental Protection's test report and certification certificate, stamped with the official seal, must be provided)
- 5. ★ Measuring range drift: ≤1.0% (A scanned copy of the Ministry of Environmental Protection's test report and certification certificate, stamped with the official seal, is required)
- 6. Indication error: ±5% for 20% standard solution;
- 50% standard solution range, ±5%
- 7. ★Lower limit of quantitation: ≤0.01mg/L (A scanned copy of the environmental protection department's test report and certification certificate, stamped with the official seal, must be provided)
- 8. Measurement cycle: ≤30 minutes
- 9. Measurement modes: Time interval (0~9999min, arbitrarily set) and 24-hour hourly measurement mode, single measurement, and reverse control measurement.
- 10. Quality Control: Automatic periodic calibration can be performed at set time points.
- 11. Automatic verification of standard solutions can be set at any time.
- 12. Calibration Mode: Manual calibration; automatic calibration can be set to perform periodic calibration at any time.
- 13. Communication interface: RS232/485, RJ45, 2 channels of digital output can be output in parallel;
- 14. Analog signal: 4-20mA
- 15. Control signals: 2-channel digital input, 2-channel digital output
- 16. Operating power supply: AC (220±20)V, (50±0.5)Hz;
- 17. Other aspects:
- (1) It adopts a 10-inch high-performance embedded integrated touch screen;
- (2) It has the function of recording the instrument operation process log; it can store at least one year of raw data and operation log; it has instrument abnormal alarm (including fault alarm, over-range alarm, over-standard alarm, reagent shortage alarm, etc.); it automatically saves data when power is off; it has TFT true color LCD touch screen display and command input; it automatically restores working status after abnormal reset and power failure; it has instrument status (such as measurement, idle, fault, maintenance, etc.) display function; the instrument has three-level management permissions.
- 1.★Instrument Functions:
- (1) It adopts a modular design. By replacing the measurement module, the measurement parameters can be switched to realize the conversion test of multiple parameters; the chemical module can realize the automatic and accurate measurement of all ranges by calibrating a single range, without the need to calibrate all ranges.
- (2) A quantitative loop system is used to achieve quantitative measurement. An adaptive capacitive micro liquid level detector is configured to reduce the influence of liquid color, pipe wall residue and pipe wall contamination, and improve the accuracy of measurement and detection. The liquid level gauge has adaptive and automatic alarm functions. The threshold can be automatically updated through a one-key reset button to ensure that color turbidity has no effect on liquid level detection. It also has a reagent shortage alarm.
- (3) It has a constant temperature function for the light source, and the temperature can be set to ensure the stability of the light source and reduce the interference of temperature on the light source;
- (4) It has the function of monitoring and alarming the remaining amount of pure water, reagents, verification samples and standard samples: the remaining amount of reagents/standard samples, the consumption amount per use and the alarm limit can be set;
- (5) It has the function of automatically and manually switching between multiple high and low ranges, and has the intelligent range selection function: automatically selects the appropriate range according to the concentration being measured and automatically switches it, and has an over-limit alarm function.
- (6) It has functions such as automatic standard sample verification, spike recovery, parallel sample testing, zero point verification, and span verification; it has a one-click start performance test function and can be remotely controlled.
- (7) When the equipment is in measurement mode, it can simulate the actual measurement operation and display it in the flowchart: peristaltic pump forward and reverse rotation, valve body opening and closing, operation process description, process progress bar, detection timing, etc.
- The above functions require a scanned copy of the technical analysis and evaluation report issued by a provincial-level or higher (including provincial-level) technical supervision department, stamped with the official seal, as supporting documentation.
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| VL-S-101 Sulfide Online Monitor |
- 1. Measurement Principle: Methylene Blue Spectrophotometry by Exclusion Method
- 2. Measurement range: 0-1.0 mg/L, expandable
- 3. Indication error: ±10.0%
- 4. Repeatability: ≤5%
- 5. Zero drift: ±5.0%
- 6. Range drift: ±10.0%
- 7. Voltage stability: ±5.0%
- 8. Detection limit: ≤0.005 mg/L
- 9. Instrument quality control: Automatic verification of standard solutions can be set at any time.
- Regular automatic calibration can be set at specific times.
- 10. Waste liquid separation: Reaction waste liquid and cleaning waste liquid have their own independent channels.
- 11. Control signals: 2-channel digital input, 2-channel digital output
- 12. Communication interface: RS232/485, RJ45, 2 channels of digital output in parallel.
- 13. Analog signal: 4-20mA
- 14. Operating power supply: AC (220±20)V; (50±0.5)Hz
- 15. Other aspects:
- (1) It adopts a 10-inch high-performance embedded integrated touch screen;
- (2) It has the function of recording the instrument operation process log; it can store at least one year of raw data and operation log; it has instrument abnormal alarm (including fault alarm, over-range alarm, over-standard alarm, reagent shortage alarm, etc.); it automatically saves data when power is off; it has TFT true color LCD touch screen display and command input; it automatically restores working status after abnormal reset and power failure; it has instrument status (such as measurement, idle, fault, maintenance, etc.) display function; the instrument has three-level management permissions.
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| VL-TOX-301 Online Biotoxicity Monitor |
- 1. Toxic response: >5000 types (heavy metals/pesticides/organic toxic substances, etc.)
- 2. Measurement Principle: Luminescent Bacteria Method (Vibrio fischeri)
- 3. Instrument range: relative luminescence 0–100%; toxicity level (Level III)
- 4. Measurement accuracy: EC50Zn2+≤2.0mg/L (ZnSO4 is the standard sample)
- 5. Accuracy: Pure water ≤10%; Actual water sample ≤20%
- 6.★Inhibition rate: ≤5% (A scanned copy of the technical analysis and evaluation report issued by the provincial or higher-level (including provincial) technical supervision department with an official seal is required as proof.)
- 7. Consistency: ≥90%
- 8. Repeatability: ≤10%
- 9. Light loss in pure water (factory): ±3%
- 10. Bacterial culture time: <5 min (new reagent)
- 11. Response Time: Fast Mode: 5 min; Normal Mode: 15 min (industry default); Slow Mode: 30 min
- 12. Measurement time: Fast mode and normal mode: <60 minutes; Slow mode: >60 minutes
- 13. ★ The two reaction chambers are automatically detected using a shearing structure, ensuring consistent detection results; (A scanned copy of the technical analysis and evaluation report issued by a provincial-level or higher (including provincial-level) technical supervision department, stamped with the official seal, must be provided as supporting documentation.)
- 14. ★ Bacterial working time: Automatically updates the number of days the bacterial solution can be used. The validity period is 14 days, and an alarm will be triggered if the expiration date is exceeded; (A scanned copy of the technical analysis and evaluation report issued by the provincial or higher-level (including provincial) technical supervision department with an official seal is required as proof.)
- 15. ★Bacterial liquid remaining alarm: The equipment automatically calculates the number of uses and will automatically alarm when the liquid level falls below 20% of the set number of uses; (A scanned copy of the technical analysis and evaluation report issued by a provincial or higher-level (including provincial) technical supervision department with an official seal is required as proof.)
- 16. Other aspects:
- (1) It adopts a 10-inch high-performance embedded integrated touch screen;
- (2) It has the function of recording the instrument operation process log; it can store at least one year of raw data and operation log; it has instrument abnormal alarm (including fault alarm, over-range alarm, over-standard alarm, reagent shortage alarm, etc.); it automatically saves data when power is off; it has TFT true color LCD touch screen display and command input; it automatically restores working status after abnormal reset and power failure; it has instrument status (such as measurement, idle, fault, maintenance, etc.) display function; the instrument has three-level management permissions.
- 17.★Instrument Functional Requirements:
- (1) Temperature control system: Equipped with an embedded industrial-grade air conditioner with automatic temperature control function; (Provide a scanned copy of the technical evaluation report issued by a provincial or higher-level metrology unit with the manufacturer's official seal)
- (2) Refrigeration system: Built-in refrigerator to ensure long-term stable storage of reagents: (Provide a scanned copy of the technical evaluation report issued by a provincial or higher-level metrology unit with the official seal of the manufacturer)
- (3) It has a dynamic flow diagram function to facilitate troubleshooting during later maintenance; (provide a scanned copy of the technical evaluation report issued by a provincial or higher-level metrology unit with the manufacturer's official seal)
- (4) It has the functions of power failure protection, restart and restoration of original measurement parameter settings and test modes; (provide a scanned copy of the technical evaluation report issued by a provincial or above metrology unit with the official seal of the manufacturer)
- (5) Automatic maintenance (cleaning): The equipment and pipelines are automatically cleaned with dilute alkali/dilute acid solution to ensure that the pipelines are not contaminated during normal testing; (provide a scanned copy of the technical evaluation report issued by a provincial or higher-level metrology unit with the official seal of the manufacturer)
- The above functions require a scanned copy of the technical analysis and evaluation report issued by a provincial-level or higher (including provincial-level) technical supervision department, stamped with the official seal, as supporting documentation.
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| VL-Hg-101 Mercury Monitor |
- 1. Measurement Principle: Atomic Fluorescence Spectrometry
- 2. Measurement range: 0~2ug/L (expandable)
- 3. Indication error: ±10%
- 4. Repeatability: ±5%
- 5. Zero drift: ±5%
- 6. Range drift: ±10%
- 7. Detection limit: 0.01 ug/L
- 8. Measurement cycle: ≤15 minutes
- 9. Calibration cycle: Automatic calibration time can be set.
- 10. Control signals: digital input, digital output
- 11. Instrument carrier gas: Argon
- 12. Communication interface: RS232/485
- 13. Analog signal: 4-20mA
- 14. Operating power supply: AC (220±20)V; (50±0.5)Hz
- 15. Other aspects:
- (1) It adopts a 10-inch high-performance embedded integrated touch screen;
- (2) It has the function of recording the instrument operation process log; it can store at least one year of raw data and operation log; it has instrument abnormal alarm (including fault alarm, over-range alarm, over-standard alarm, reagent shortage alarm, etc.); it automatically saves data when power is off; it has TFT true color LCD touch screen display and command input; it automatically restores working status after abnormal reset and power failure; it has instrument status (such as measurement, idle, fault, maintenance, etc.) display function; the instrument has three-level management permissions.
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| VL-TCd-101 Total Cadmium Online Monitor |
- 1. Measurement Principle: Porphyrin Spectrophotometry
- 2. Measurement range: 0~0.05mg/L, 0~0.1mg/L, 0~0.5mg/L expandable.
- 3. Indication error: ±10%
- 4. Repeatability: ≤5%
- 5. Zero drift: ±5%
- 6. Range drift: ±10%
- 7. Limit of detection: 0.002 mg/L
- 8. Voltage stability: ±5.0%
- 9. Measurement time: ≤55 minutes
- 10. Instrument quality control: Automatic verification of standard solutions can be set at any time.
- Regular automatic calibration can be set at specific times.
- 11. Waste liquid separation: Reaction waste liquid and cleaning waste liquid have their own independent channels.
- 12. Control signals: 2-channel digital input, 2-channel digital output
- 13. Communication interface: RS232/485, RJ45, 2 channels of digital output in parallel.
- 14. Analog signal: 4-20mA
- 15. Operating power supply: AC (220±20)V; (50±0.5)Hz
- 16. Other aspects:
- (1) It adopts a 10-inch high-performance embedded integrated touch screen;
- (2) It has the function of recording the instrument operation process log; it can store at least one year of raw data and operation log; it has instrument abnormal alarm (including fault alarm, over-range alarm, over-standard alarm, reagent shortage alarm, etc.); it automatically saves data when power is off; it has TFT true color LCD touch screen display and command input; it automatically restores working status after abnormal reset and power failure; it has instrument status (such as measurement, idle, fault, maintenance, etc.) display function; the instrument has three-level management permissions.
- 17.★Instrument Functions:
- (12) It adopts a modular design. By replacing the measurement module, the measurement parameters can be switched to realize the conversion test of multiple parameters; the chemical module can realize the automatic and accurate measurement of all ranges by calibrating a single range, without the need to calibrate all ranges.
- (13) A quantitative loop system is used to achieve quantitative measurement. An adaptive capacitive micro liquid level detector is configured to reduce the influence of liquid color, pipe wall residue and pipe wall contamination, and improve the accuracy of measurement and detection. The liquid level gauge has adaptive and automatic alarm functions. The threshold can be automatically updated through a one-key reset button to ensure that color turbidity has no effect on liquid level detection. It also has a reagent shortage alarm.
- (14) It has a constant temperature function for the light source, and the temperature can be set to ensure the stability of the light source and reduce the interference of temperature on the light source;
- (15) It has the function of monitoring and alarming the remaining amount of pure water, reagents, verification samples and standard samples: the remaining amount of reagents/standard samples, the consumption amount per use and the alarm limit can be set;
- (16) It has the function of automatically and manually switching between multiple high and low ranges, and has the intelligent range selection function: automatically selects the appropriate range according to the concentration being measured and automatically switches it, and has an over-limit alarm function.
- (17) It has the function of recording the entire process of log operation and fault handling; it can retrieve fault-related operation logs and fault handling results; it supports the presence of a QR code that can be scanned on the "Alarm Query" interface after an alarm, and has fault handling documents, built-in maintenance methods and videos;
- The above functions require a scanned copy of the technical analysis and evaluation report issued by a provincial-level or higher (including provincial-level) technical supervision department, stamped with the official seal, as supporting documentation.
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| VLM-1007 Online Total Lead Analyzer |
- 1. Measurement Principle: TPPS4 Spectrophotometry
- 2. Measurement range: 0~1mg/L; 0~2mg/L (expandable)
- 3. Indication error: ±5%
- 4. ★Precision: ±0.5% (A scanned copy of the test report from the Environmental Monitoring Instrument Quality Supervision and Inspection Center of the Ministry of Environmental Protection, stamped with the official seal, must be provided as proof.)
- 5. ★ Zero drift: ±0.2% (A scanned copy of the test report from the Environmental Monitoring Instrument Quality Supervision and Inspection Center of the Ministry of Environmental Protection, stamped with the official seal, must be provided as proof.)
- 6. Range drift: ±10%
- 7. ★Lower limit of quantitation: ≤0.02mg/L (A scanned copy of the test report from the Environmental Monitoring Instrument Quality Supervision and Inspection Center of the Ministry of Environmental Protection, stamped with the official seal, must be provided as proof.)
- 8. Voltage stability: ±5.0%
- 9. Ambient temperature stability: ±10%
- 10. Memory effect: ±10%
- 11. Minimum maintenance cycle: ≥168h
- 12. Measurement cycle: ≤45 minutes
- 13. Instrument quality control: Automatic verification of standard solutions can be set at any time.
- Regular automatic calibration can be set at specific times.
- 14. Waste liquid separation: Reaction waste liquid and cleaning waste liquid have their own independent channels.
- 15. Control signals: 2-channel digital input, 2-channel digital output
- 16. Communication interface: RS232/485, RJ45, 2 channels of digital output in parallel.
- 17. Analog signal: 4-20mA
- 18. Operating power supply: AC (220±20)V; (50±0.5)Hz
- 19. Other aspects:
- (1) It adopts a 10-inch high-performance embedded integrated touch screen;
- (2) It has the function of recording the instrument operation process log; it can store at least one year of raw data and operation log; it has instrument abnormal alarm (including fault alarm, over-range alarm, over-standard alarm, reagent shortage alarm, etc.); it automatically saves data when power is off; it has TFT true color LCD touch screen display and command input; it automatically restores working status after abnormal reset and power failure; it has instrument status (such as measurement, idle, fault, maintenance, etc.) display function; the instrument has three-level management permissions.
- 20.★Instrument Functions:
- (1) It adopts a modular design. By replacing the measurement module, the measurement parameters can be switched to realize the conversion test of multiple parameters; the chemical module can realize the automatic and accurate measurement of all ranges by calibrating a single range, without the need to calibrate all ranges.
- (8) A quantitative loop system is used to achieve quantitative measurement. An adaptive capacitive micro liquid level detector is configured to reduce the influence of liquid color, pipe wall residue and pipe wall contamination, and improve the accuracy of measurement and detection. The liquid level gauge has adaptive and automatic alarm functions. The threshold can be automatically updated through a one-key reset button to ensure that color turbidity has no effect on liquid level detection. It also has a reagent shortage alarm.
- (2) It has a constant temperature function for the light source, and the temperature can be set to ensure the stability of the light source and reduce the interference of temperature on the light source;
- (3) It has the function of monitoring and alarming the remaining amount of pure water, reagents, verification samples and standard samples: the remaining amount of reagents/standard samples, the consumption amount per use and the alarm limit can be set;
- (4) It has the function of automatically and manually switching between multiple high and low ranges, and has the intelligent range selection function: automatically selects the appropriate range according to the concentration being measured and automatically switches it, and has an over-limit alarm function.
- (5) It has adjustable digestion temperature and reaction time, and can perform adaptive measurements on complex and difficult-to-digest water samples;
- (The above functions require a scanned copy of the technical analysis and evaluation report issued by a provincial or higher-level (including provincial) technical supervision department, stamped with the official seal, as proof.)
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| VL-BOD-401 Biochemical Oxygen Demand (BOD) Online Monitor |
- 1. Measurement Principle: Microbial Electrochemical Method
- 2. Measurement range: 0~200mg/L; 0~500mg/L (expandable)
- 3. Indication error: ±15%;
- 4. Repeatability: ≤10%
- 5. Limit of quantitation: ≤5.0 mg/L
- 6. Consistency: ≥90%
- 7. Measurement cycle: ≤50 minutes
- 8. Electrochemical cell maintenance: Replace every 30 days.
- 9. ★Quantitative Method: Quantitative measurement is performed using a syringe pump (photo of the instrument's internal components provided) to ensure system stability and accuracy.
- 10. ★Nutrient solution monitoring function: During maintenance, the voltage value can be used to determine the nutrient solution consumption and monitor the maintenance effect in real time. When the monitored maintenance voltage is lower than the set threshold, it means that the nutrient solution in the test sensor has been completely consumed by bacteria. The device will automatically start to replace the nutrient solution to provide energy for the bacteria, realizing automated monitoring (software interface screenshot provided).
- 11. Measurement modes: Time interval (0~9999min, arbitrarily set) and 24-hour hourly measurement mode, single measurement, and reverse control measurement.
- 12. Calibration Mode: Manual calibration; automatic calibration can be set to perform periodic calibration at any time.
- 13. Communication interface: RS232/485, RJ45, 2 channels of digital output can be output in parallel;
- 14. Analog signal: 4-20mA
- 15. Control signals: 2-channel digital input, 2-channel digital output
- 16. Environmental requirements: Recommended temperature: 5~40℃; humidity: ≤85% (non-condensing)
- 17. Operating power supply: AC (220±20)V, (50±0.5)Hz;
- 18. Other features: Employs a 10-inch high-performance embedded integrated touchscreen; features instrument operation process log recording function; can store at least one year of raw data and operation logs; instrument abnormal alarms (including fault alarms, over-range alarms, out-of-range alarms, reagent shortage alarms, etc.); automatic data saving after power failure; TFT true-color LCD touchscreen display and command input; abnormal reset and automatic recovery of working status after power failure and power restoration; instrument status (such as measurement, idle, fault, maintenance, etc.) display function.
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| VL-TTI-401 Total Thallium Water Quality Online Monitor |
- 1. Measurement method: Anodic stripping voltammetry
- 2. Measurement range: 0～10ug/L (expandable)
- 3. Indication error: ±10%
- 4. Precision: ≤5%
- 5. Zero drift: ±5%
- 6. Range drift: ±5%
- 7. Detection limit: ≤0.1ug/L
- 8. Analog output: 4-20mA
- 9. Communication port: RS485
- 10. Ambient temperature: 5℃～40℃; humidity ≤90% (no condensation)
- 11. Power supply: 220±22 VAC, 50±0.5 Hz
- 12. Other aspects:
- (1) It adopts a 10-inch high-performance embedded integrated touch screen;
- (2) It has the function of recording the instrument operation process log; it can store at least one year of raw data and operation log; it has instrument abnormal alarm (including fault alarm, over-range alarm, over-standard alarm, reagent shortage alarm, etc.); it automatically saves data when power is off; it has TFT true color LCD touch screen display and command input; it automatically restores working status after abnormal reset and power failure; it has instrument status (such as measurement, idle, fault, maintenance, etc.) display function; the instrument has three-level management permissions.
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| VL-TCr-101 Total Chromium Online Monitor |
- 2. Measurement Principle: Diphenylcarbazide Spectrophotometry
- 3. Measurement range: 0~1mg/L, 0~5mg/L
- 4. Indication error: ±10%;
- 5. Repeatability: ±5%
- 6. Zero drift: ±5%
- 7. Range drift: ±10%
- 8. Measurement cycle: ≤55 minutes
- 9. Detection limit: ≤0.05 mg/L
- 10. Measurement modes: Time interval (0~9999min, arbitrarily set) and 24-hour hourly measurement modes, single measurement, and reverse control measurement.
- 11. Quality Control: Automatic calibration can be performed at set time points.
- Automatic verification of standard solutions can be set at any time.
- 12. Calibration Mode: Manual calibration; automatic calibration can be set to perform periodic calibration at any time.
- 13. Communication interface: RS232/485, RJ45, 2 channels of digital output can be output in parallel;
- 14. Analog signal: 4-20mA
- 15. Control signals: 2-channel digital input, 2-channel digital output
- 16. Operating power supply: AC (220±20)V, (50±0.5)Hz;
- 17. Other aspects:
- (1) It adopts a 10-inch high-performance embedded integrated touch screen;
- (2) It has the function of recording the instrument operation process log; it can store at least one year of raw data and operation log; it has instrument abnormal alarm (including fault alarm, over-range alarm, over-standard alarm, reagent shortage alarm, etc.); it automatically saves data when power is off; it has TFT true color LCD touch screen display and command input; it automatically restores working status after abnormal reset and power failure; it has instrument status (such as measurement, idle, fault, maintenance, etc.) display function; the instrument has three-level management permissions.
- 18.★Instrument Functions:
- (1) It adopts a modular design. By replacing the measurement module, the measurement parameters can be switched to realize the conversion test of multiple parameters; the chemical module can realize the automatic and accurate measurement of all ranges by calibrating a single range, without the need to calibrate all ranges.
- (2) A quantitative loop system is used to achieve quantitative measurement. An adaptive capacitive micro liquid level detector is configured to reduce the influence of liquid color, pipe wall residue and pipe wall contamination, and improve the accuracy of measurement and detection. The liquid level gauge has adaptive and automatic alarm functions. The threshold can be automatically updated through a one-key reset button to ensure that color turbidity has no effect on liquid level detection. It also has a reagent shortage alarm.
- (3) It has a constant temperature function for the light source, and the temperature can be set to ensure the stability of the light source and reduce the interference of temperature on the light source;
- (4) It has the function of monitoring and alarming the remaining amount of pure water, reagents, verification samples and standard samples: the remaining amount of reagents/standard samples, the consumption amount per use and the alarm limit can be set;
- (5) It has the function of automatically and manually switching between multiple high and low ranges, and has the intelligent range selection function: automatically selects the appropriate range according to the concentration being measured and automatically switches it, and has an over-limit alarm function.
- (6) It has functions such as automatic standard sample verification, spike recovery, parallel sample testing, zero point verification, and span verification; it has a one-click start performance test function and can be remotely controlled.
- (7) When the equipment is in measurement mode, it can simulate the actual measurement operation and display it in the flowchart: peristaltic pump forward and reverse rotation, valve body opening and closing, operation process description, process progress bar, detection timing, etc.
- (The above functions require a scanned copy of the technical analysis and evaluation report issued by a provincial or higher-level (including provincial) technical supervision department, stamped with the official seal, as proof.)
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| VL-TAg-101 Total Silver Online Monitor |
- 1. Measurement Principle: 3,5-Br2-PADAP Spectrophotometry
- 2. Measurement range: Automatic switching between three ranges: 0-0.5 mg/L, 0-1 mg/L, and 0-5 mg/L; expandable.
- 3. Indication error: ±10%
- 4. Repeatability: ≤3%
- 5. Zero drift: ±5%FS
- 6. Range drift: ±5%FS
- 7. Limit of quantitation: ≤0.05 mg/L (indication error ±30%)
- 8. Ambient temperature stability: ±10%
- 9. MTBF: ≥720h/time
- 10. Voltage stability: ±10%
- 11. Memory effect: ±10%
- 12. Test cycle: ≤40min
- 13. Instrument quality control: Automatic verification of standard solutions can be set at any time.
- Regular automatic calibration can be set at specific times.
- 14. Waste liquid separation: Reaction waste liquid and cleaning waste liquid have their own independent channels.
- 15. Control signals: digital input, digital output
- 16. Communication interface: RS232/485, RJ45, 2 channels of digital output in parallel.
- 17. Analog signal: 4-20mA
- 18. Operating power supply: AC (220±20)V; (50±0.5)Hz
- 19. Other aspects:
- (1) It adopts a 10-inch high-performance embedded integrated touch screen;
- (2) It has the function of recording the instrument operation process log; it can store at least one year of raw data and operation log; it has instrument abnormal alarm (including fault alarm, over-range alarm, over-standard alarm, reagent shortage alarm, etc.); it automatically saves data when power is off; it has TFT true color LCD touch screen display and command input; it automatically restores working status after abnormal reset and power failure; it has instrument status (such as measurement, idle, fault, maintenance, etc.) display function; the instrument has three-level management permissions.
- 20. ★ Other aspects:
- (1) It adopts a modular design. By replacing the measurement module, the measurement parameters can be switched to realize the conversion test of multiple parameters; the chemical module can realize the automatic and accurate measurement of all ranges by calibrating a single range, without the need to calibrate all ranges.
- (2) It has a constant temperature function for the light source, and the temperature can be set to ensure the stability of the light source and reduce the interference of temperature on the light source;
- (3) It has the function of monitoring and alarming the remaining amount of pure water, reagents, verification samples and standard samples: the remaining amount of reagents/standard samples, the consumption amount per use and the alarm limit can be set;
- (4) It has the function of automatically and manually switching between multiple high and low ranges, and has the intelligent range selection function: automatically selects the appropriate range according to the concentration being measured and automatically switches it, and has an over-limit alarm function.
- (5) It has functions such as automatic standard sample verification, spike recovery, parallel sample testing, zero point verification, and span verification; it has a one-click start performance test function and can be remotely controlled;
- (6) The measurement reaction module and the control module are designed to be isolated to avoid cross-interference and chemical corrosion, thereby improving safety;
- (The above functions require a scanned copy of the technical analysis and evaluation report issued by a provincial or higher-level (including provincial) technical supervision department, stamped with the official seal, as proof.)
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| VL-TNi-101 Online Total Nickel Analyzer |
- 1. Measurement Principle: Butanone Oxime Spectrophotometry
- 2. Measurement range: 0~0.5mg/L; 0~2mg/L; 0~5mg/L (expandable)
- 3. Repeatability: ≤5%
- 4. Zero drift: ±5%
- 5. Range drift: ±10%
- 6. Indication error: Standard solution concentration ≤0.2mg/L, ±0.02mg/L
- Standard solution concentration > 0.2 mg/L, ± 10%
- 7. Detection limit: ≤0.02 mg/L
- 8. Voltage stability: ±5.0%
- 9. Measurement cycle: ≤50 minutes
- 10. Instrument quality control: Automatic verification of standard solutions can be set at any time.
- Regular automatic calibration can be set at specific times.
- 11. Waste liquid separation: Reaction waste liquid and cleaning waste liquid have their own independent channels.
- 12. Control signals: 2-channel digital input, 2-channel digital output
- 13. Communication interface: RS232/485, RJ45, 2 channels of digital output in parallel.
- 14. Analog signal: 4-20mA
- 15. Operating power supply: AC (220±20)V; (50±0.5)Hz
- 16. Other aspects:
- (1) It adopts a 10-inch high-performance embedded integrated touch screen;
- (2) It has the function of recording the instrument operation process log; it can store at least one year of raw data and operation log; it has instrument abnormal alarm (including fault alarm, over-range alarm, over-standard alarm, reagent shortage alarm, etc.); it automatically saves data when power is off; it has TFT true color LCD touch screen display and command input; it automatically restores working status after abnormal reset and power failure; it has instrument status (such as measurement, idle, fault, maintenance, etc.) display function; the instrument has three-level management permissions.
- 17.★Instrument Functions:
- (6) It adopts a modular design. By replacing the measurement module, the measurement parameters can be switched to realize the conversion test of multiple parameters; the chemical module can realize the automatic and accurate measurement of all ranges by calibrating a single range, without the need to calibrate all ranges.
- (9) A quantitative loop system is used to achieve quantitative measurement. An adaptive capacitive micro liquid level detector is configured to reduce the influence of liquid color, pipe wall residue and pipe wall contamination, and improve the accuracy of measurement and detection. The liquid level gauge has adaptive and automatic alarm functions. The threshold can be automatically updated through a one-key reset button to ensure that color turbidity has no effect on liquid level detection. It also has a reagent shortage alarm.
- (7) It has a constant temperature function for the light source, and the temperature can be set to ensure the stability of the light source and reduce the interference of temperature on the light source;
- (8) It has the function of monitoring and alarming the remaining amount of pure water, reagents, verification samples and standard samples: the remaining amount of reagents/standard samples, the consumption amount per use and the alarm limit can be set;
- (9) It has the function of automatically and manually switching between multiple high and low ranges, and has the intelligent range selection function: automatically selects the appropriate range according to the concentration being measured and automatically switches it, and has an over-limit alarm function.
- (10) It has adjustable digestion temperature and reaction time, and can perform adaptive measurements on complex and difficult-to-digest water samples;
- (The above functions require a scanned copy of the technical analysis and evaluation report issued by a provincial or higher-level (including provincial) technical supervision department, stamped with the official seal, as proof.)
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| Fluoride Online Monitor |
- Fluoride Online Monitor (VL-F-101)
- 1. Measurement principle: Fluorine reagent spectrophotometry;
- 2. Measurement range: 0～2/5 mg/L;
- 3. Accuracy: Standard solution ≤0.2mg/L, not exceeding ±0.02mg/L
- Standard solution ≥0.2mg/L, not exceeding ±10%;
- 4. Limit of detection: 0.02 mg/L;
- 5. Repeatability: ±5%;
- 6. Zero drift: ±5%FS;
- 7. Range drift: ±5%FS;
- 8. Equipped with an automatic dilution function, it can automatically adjust the volume range according to the water sample conditions;
- 9. ★ The two ranges are automatically switched by default. The ranges can also be locked. There is no need to calibrate all ranges. Calibrate a single range and all ranges will be measured automatically and accurately.
- 10.★ Equipped with a dynamic flow diagram and operation process description and progress bar, detection timing function, click on the instrument to start the sample, the main interface displays the remaining time for the current sample.
- 11. ★ Key components utilize imported valve assemblies to form a unique flow path, ensuring the equipment's monitoring performance.
- 12. Automatic verification and calibration of standard solutions can be set at any time;
- 13. PWM control technology is used to control the temperature of the digestion chamber, thereby controlling the reagent reaction and digestion temperature and overcoming the influence of temperature drift.
- 14. Communication ports: RS-232/485, RJ45 and (4~20) mA output
- 15. Control signals: 2-channel digital output and 2-channel digital input;
- 16. Instrument dimensions: Length * Width * Height 600 * 450 * 1555 mm
- 17. Operating power supply: The operating voltage is single-phase AC (220±20)V, and the frequency is (50±1)Hz;
- 18. Instrument power: <150W
- 19. ★ It adopts a 10-inch TFT screen with a Cortex-A53 quad-core CPU as the core, and is a high-performance embedded integrated touch screen;
- 20. Other features: Includes instrument operation log recording function; can store at least one year of raw data and operation logs; instrument abnormal alarms (including fault alarms, over-range alarms, out-of-range alarms, reagent shortage alarms, etc.); automatic data saving after power failure; TFT true-color LCD touchscreen display and command input; automatic recovery of working status after abnormal reset and power failure; instrument status display function (such as measurement, idle, fault, maintenance, etc.); instrument has three-level management permissions.
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| Volatile phenol online monitoring instrument |
- Volatile phenols online monitor (VL-VP-101)
- 1. Measurement principle: Total distillation 4-aminoantipyrine spectrophotometric method;
- 2. Measurement range: 0～0.5/2mg/L; (adjustable)
- 3. Indication error: not exceeding ±5%;
- 4. Limit of detection: 0.001 mg/L;
- 5. Repeatability: ≤3%;
- 6. Zero drift: ±5%FS;
- 7. Range drift: ±5%FS;
- 8. Measurement time: less than 55 minutes
- 9. Equipped with an automatic dilution function, it can automatically adjust the volume range according to the water sample conditions;
- 10. The two ranges are automatically switched by default. The ranges can also be locked. There is no need to calibrate all ranges. Calibrate a single range and all ranges will be measured automatically and accurately.
- 11. Equipped with a dynamic flow diagram and operation process description and progress bar, it also features a detection timing function. When the instrument is clicked to perform a sample, the main interface displays the remaining time for the current sample.
- 12. Key components utilize imported valve assemblies to form a unique flow path, ensuring the equipment's monitoring performance;
- 13. Automatic calibration and verification can be set at any time;
- 14. Communication ports: RS-232/485, RJ45 and (4~20) mA output
- 15. Control signals: 2-channel digital output and 2-channel digital input;
- 16. It has an alarm QR code function, which can support scanning the QR code to obtain fault handling and maintenance methods and video tutorials;
- 17. It has an interface that displays the percentage of information stored, as well as information such as IP address, subnet mask, and current interface status.
- 18. It adopts a 10-inch TFT screen, with a Cortex-A53 quad-core CPU as the core, and is a high-performance embedded integrated touch screen;
- 19. Other aspects: It has an instrument operation process log recording function; it can store at least one year of raw data and operation logs; it has instrument abnormal alarms (including fault alarms, over-range alarms, over-standard alarms, reagent shortage alarms, etc.); it automatically saves data after power failure; it has a TFT true-color LCD touch screen display and command input; it automatically resumes working status after abnormal reset and power failure; it has instrument status (such as measurement, idle, fault, maintenance, etc.) display function; the instrument has three-level management permissions.
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