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 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
 

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
 

Function: Portable multi-parameter water quality meter using DPD photometric method with photoelectric colorimetry
Measurement Parameters: Residual chlorine, total chlorine, combined residual chlorine, carbon dioxide, ozone
Measuring Range & Accuracy: 0–5 mg/L, 0–10 mg/L, 0–2 mg/L; minimum indication 0.01 mg/L; linear error ±5% FS; repeatability 3%
Display & Operation: Microcomputer touch buttons, LCD backlit display, auto-zero and calibration, stable and maintenance-free performance
Power Supply: 6F22 9V battery, with low voltage prompt and auto shutdown after 10 minutes
Portability: Compact design with portable case, fast warm-up (30 seconds), equipped with rapid determination reagents
 

Function: Portable high-range colorimetric chlorine analyzer for measuring available chlorine in water using photoelectric colorimetry
Measuring Range & Accuracy: 0–250 mg/L, minimum indication 0.1 mg/L, linear error ±5% FS
Display & Operation: Microcomputer touch keyboard, direct reading concentration value, automatic zeroing and calibration, average calculation, timer reminder, slope calibration
Power & Portability: Battery-powered (9V carbon or alkaline), low power consumption, automatic shutdown after 10 minutes of inactivity, lightweight 170g
Storage & Connectivity: Automatic data storage with power-off protection, optional USB or RS232 data output, optional AC/DC power adapter
Measuring Cell & Conditions: Φ25 mm colorimetric bottle, automatic wavelength selection, operating temperature 0–50°C, relative humidity 0–90%, dimensions 162×60×33 mm
 

Function: Portable colorimetric chlorine analyzer for measuring available chlorine in water using photoelectric colorimetry
Measuring Range & Accuracy: 0–30 mg/L, minimum indication 0.01 mg/L, linear error ±5% FS
Display & Operation: Microcomputer touch keyboard, direct reading concentration value, automatic zeroing and calibration, average calculation, timer reminder
Power & Portability: Battery-powered (9V carbon or alkaline), low power consumption, automatic shutdown after 10 minutes of inactivity, lightweight 170g
Storage & Connectivity: Automatic data storage with power-off protection, optional USB or RS232 data output, optional AC/DC power adapter
Measuring Cell & Conditions: Φ25 mm colorimetric bottle, automatic wavelength selection, operating temperature 0–50°C, relative humidity 0–90%, dimensions 162×60×33 mm
 

Function: Portable suspended solids analyzer for measuring insoluble particulate matter in water and transparent liquids
Measuring Range & Accuracy: 0–100 to 0–4000 mg/L, minimum indication 0.1–1 mg/L, linear error ±5% FS, repeatability ≤2%
Display & Operation: LCD backlight display with date, time, measurement value and unit, touch keyboard, average measurement mode, data storage and query, automatic range switching
Calibration & Data: Automatic zero adjustment, 1–5 point automatic calibration, chromaticity compensation, RS232 interface for connection to external micro-printer
Power & Portability: AC 220V/50Hz, DC 1.5V (5 AA batteries), DC 7.5V adapter, long-life 100,000-hour light source, maintenance-free
Applications: Suitable for power plants, water treatment, sewage treatment, beverage, industrial water, pharmaceutical, hospitals, and environmental monitoring
 

Function: Portable turbidity meter for measuring suspended particles in water and transparent liquids using 90° scattered light
Measuring Range & Accuracy: 0–50 to 0–4000 NTU, minimum readout 0.001–0.01 NTU, basic error ±6% (±2% F.S), repeatability ≤0.5%, zero drift ±0.5% F.S
Display & Operation: LCD backlight display with date, time, measurement value and unit, touch keyboard, average measurement mode, data storage and query, range switch
Calibration & Data: Automatic zeroing, 1–7 point automatic calibration, chromaticity compensation, RS232 interface for external micro-printer connection
Power & Portability: AC 220V/50Hz, DC 1.5V (5 AA batteries), DC 7.5V adapter, long-life 100,000-hour light source, maintenance-free
Applications: Suitable for waterworks, power plants, sewage treatment, beverage factories, industrial water, hospitals, environmental monitoring