Measuring Range: 0–50 / 0–500 Hazen, Pt-Co, PCU, mg Pt/L
Minimum Readout: 0.1 chromaticity
Accuracy & Repeatability: ±3% F.S, repeatability ≤1.5%
Features: Portable microcomputer system, touch keyboard, LCD backlit display, turbidity compensation, self-diagnosis, direct chromaticity reading
Calibration: Fast, programmable 1–7 point automatic multi-point calibration
Data Storage: Built-in clock memory, stores latest 20 measurement sets, long-term storage and recall
Power & Interface: AC 220V/50Hz or DC 7.5V/0.2A, RS232 interface, optional micro-printer
 

Measuring Range: 0–50 / 0–500 Hazen, Pt-Co, PCU, mg Pt/L
Minimum Readout: 0.1 degrees
Accuracy & Repeatability: ±5% F.S, repeatability ≤1.5%
Features: Microcomputer system, touch keyboard, LCD backlit display, direct chromaticity reading, turbidity compensation, self-diagnosis prompts
Calibration: Fast, programmable 1–7 point automatic multi-point calibration
Data Storage: Built-in clock memory, stores latest 20 measurement sets, long-term storage and recall
Power & Interface: AC 220V ±10% 50Hz/5W, standard RS232 interface, printer-compatible
 

Measuring Range: 0–50 / 0–500 NTU, chromaticity units Hazen, Pt-Co, PCU, mg Pt/L
Minimum Readout: 0.1 NTU / chromaticity
Accuracy & Repeatability: ±3% F.S, repeatability ≤1.5%
Features: Microcomputer system, touch keyboard, LCD backlit display, direct chromaticity reading, turbidity compensation, self-diagnosis prompts
Calibration: Programmable multi-point calibration (1–7 points) for high accuracy
Data Storage: Built-in clock memory, stores latest 20 measurement sets, long-term storage and recall
Power & Interface: AC 220V ±10% 50Hz/5W, standard RS232 interface, optional built-in printer
 

Measuring Principle: 90° scattered light for accurate turbidity analysis
Measuring Range: 0–20 / 0–200 / 0–800 NTU depending on model
Minimum Readout: 0.01–0.1 NTU (model dependent)
Accuracy & Repeatability: ±6% F.S, repeatability ≤0.5%, zero drift ±0.5% F.S
Features: High-intensity long-life light source, chromaticity compensation, large LCD display, reliable optical path, stable long-term operation
Applications: Suitable for low, medium, and high turbidity water samples in power plants, waterworks, beverage and pharmaceutical industries, sewage treatment, environmental monitoring
Additional: Easy operation, cost-effective design, fast warm-up within 30 seconds
 

Measuring Principle: 90° scattered light, direct turbidity reading
Measuring Range: 0–10 / 0–100 / 0–1000 / 0–4000 NTU depending on model
Minimum Readout: 0.001–0.01 NTU (model dependent)
Accuracy & Repeatability: ±6% F.S, repeatability ≤0.5%, zero drift ±0.5% F.S
Features: Microcomputer control, LCD backlit display, automatic multi-point calibration, average measurement mode, data storage and query, automatic/manual range switching
Connectivity: RS232 data communication interface, optional built-in or external printer
Additional: Optional spectrum measurement unit, flow sampling device, continuous measurement capability
 

Measuring Principle: 90° scattered light, direct turbidity reading
Measuring Range: 0–20 NTU / 0–200 NTU (model dependent)
Minimum Readout: 0.01 NTU or 0.1 NTU (depending on model)
Accuracy: ±8% (±2.5% F.S); Repeatability ≤1%; Zero drift ≤±1% F.S
Power Supply: AC 220/110V or DC operation with 5×AA alkaline batteries
Features: LCD display, low power consumption, automatic shutdown, AC/DC dual power supply
Compact & Lightweight: 235×75×65 mm design for portable use
 

Measuring Principle: 90° scattered light, direct turbidity reading
Measuring Range: 0–10 / 0–100 / 0–500 / 0–1000 NTU (depending on model)
Minimum Readout: 0.001 NTU or 0.01 NTU (model dependent)
Accuracy: ±6% (±2% F.S); Repeatability ≤0.5%; Zero drift ≤±0.5% F.S
Calibration: Automatic 1–5 point calibration with data smoothing and nonlinear processing
Features: LCD backlight display, microcomputer control, data storage & query, RS232 interface; “P” models include built-in printer
Applications: Waterworks, wastewater treatment, food & beverage, pharmaceuticals, hospitals, and environmental monitoring
 

Measurement Range: 0.00–1000 NTU with automatic range switching
Resolution: 0.001 NTU; Repeatability ≤0.5%; Indication Error ≤±6%
Light Source: 6V 10W tungsten halogen lamp (USEPA 180.1 compliant)
Calibration: 1–8 points with Formazin standards or zero water
Display & Storage: 7-inch LCD touch screen, stores up to 1000 sets of data (GLP-compliant)
Interfaces: USB and RS232 for data output; reset function to factory default
Dimensions/Weight: 430×430×300 mm / 9 kg
 

Design: Portable aluminum alloy structure with 4.3-inch high-resolution color LCD touch screen
Detection Range: 0.10–5.00 mg/L; Transmittance: 0.00–100.00% (Resolution 0.01%, Accuracy ±2.0%)
Absorbance Resolution: 0.001; Transmittance Repeatability ≤0.2%; Stability ≤0.3% (3 minutes)
Functions: Intelligent input, automatic result saving, report printing, multi-curve calibration
Communication: RS232, USB with online data transfer and monitoring network function
Power Supply: AC 220V or rechargeable lithium battery
 

Test Method: Photoelectric colorimetric detection principle
Models: P9022 (2 parameters), P9025 (5 parameters), P9029 (9 parameters)
Parameters: Residual Chlorine, Total Chlorine, Combined Residual Chlorine, Chlorine Dioxide, Nitrite, Dissolved Oxygen, Ammonia Nitrogen, Iron
Measuring Range: 0–12 mg/L (depending on parameter); Minimum Indication: 0.001 mg/L
Accuracy: Linearity Error ±5% FS; Repeatability 2%
Features: Microcomputer with touch keyboard, backlight LCD display, multi-point curve calibration
Power Supply: AC 220V / 50Hz / 5W