Measuring Range: 0–50 Hazen, Pt-Co, PCU, mg Pt/L
Minimum Readout: 1 chromaticity
Accuracy & Repeatability: ±5% F.S, repeatability ≤3%
Features: Desktop type, stable performance, maintenance-free, cost-effective
Display & Measurement: Large-screen LCD digital display, direct chromaticity reading
Calibration & Method: Photoelectric colorimetry, calibrated with platinum-cobalt standard solution
Light Source & Durability: High-intensity, long-life light source, ready in 30 seconds
 

Measuring Range: 0–50, 0–500 Hazen, Pt-Co, PCU, mg Pt/L
Minimum Readout: 0.1 chromaticity
Accuracy & Repeatability: ±5% F.S, repeatability ≤1.5%
Features: Handheld, portable, AC & DC dual power, low voltage indication, automatic power off, can be equipped with micro-printer
Display & Measurement: LCD backlit display, direct chromaticity reading, turbidity compensation system
Calibration: Programmable 1–7 point automatic multi-point calibration
Light Source & Durability: High-intensity 100,000-hour long-life light source, maintenance-free, built-in memory storage for last 20 measurements
 

Measuring Range: 0–50 Hazen, Pt-Co, PCU, mg Pt/L
Minimum Readout: 1 chromaticity
Accuracy & Repeatability: ±5% F.S, repeatability ≤3%
Features: Portable design, AC/DC power, low voltage indication, automatic shutdown, stable and maintenance-free operation
Display & Measurement: Large LCD digital display, high-precision optical path, direct reading using platinum-cobalt standard solution
Light Source: High-intensity, long-life, works after 30 seconds warm-up
Technology: Photoelectric colorimetry with multiple independent design patents
 

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
 

Measurement Mode: SCI/SCE with CIELAB and CIELCH display
Color Difference Formula: E*ab, Repeatability: E<0.05
Measurement Aperture: φ4mm / φ8mm / φ16mm, Light Source: LED blue excitation
Data Storage: 100 sample types, 200 testing samples, Interface: USB2.0 & RS-232
Battery: Li-ion, up to 5000 measurements per charge, Charging Time: 8 hrs
Display: 2.8-inch TFT true color screen, Resolution: 400×240
Working Conditions: 0–40°C, RH<85%, Weight: 700g, Size: 199×68×90mm
 

Measuring Range: 0.05–2.50 mg/L (ozone in water)
Accuracy: ≤±0.05 mg/L (<1.0 mg/L); ≤±5% (≥1.0 mg/L)
Principle: DPD photometric method, 520 nm LED light source
Battery Life: >24 hours continuous use
Protection: IP65 waterproof, portable lightweight design
Dimension & Weight: 128×70×48 mm, 188 g (with battery)
Operating Environment: 0–40°C, ≤90% RH (non-condensing)
 

Measures residual chlorine, total chlorine, chlorine dioxide, ozone, and pH
Detection range: residual chlorine 0-3 mg/L, total chlorine 0-5 mg/L, ozone 0-12 mg/L, chlorine dioxide 0-2.5 mg/L, pH 6.5-9.0
High-brightness quasi-parallel LED cold light source with German optical design
OLED display with user-friendly interface and manual data saving (up to 5000 results)
IP65 waterproof rating with durable, anti-corrosion plastic casing
Built-in 2500mAh rechargeable lithium battery, supports USB charging and PC connection
Absorbance range 0-3.0Abs, optical stability ≤±0.005Abs/30min
 

Measurement Method: Total water alkalinity by titration colorimetric method
Measurement Range: 4.69–562.8 ppm (selectable)
Accuracy: ±5% of upper range value
Reagent Consumption: ~0.20 ml/test (approx. 2500 tests/500 ml reagent)
Operating Temperature: Ambient 10–40°C; Sample 5–40°C
Water Pressure: 0.5–5 bar (1–2 bar recommended)
Outputs & Interface: 4–20 mA, RS-485 MODBUS-RTU (optional)