Measurement Range: 0.05–10.00 mg/L total residual chlorine
Accuracy: ≤ ±0.05 mg/L (<1 mg/L), ≤ ±5% (≥1 mg/L)
Wavelength: 520 nm, LED light source
Operation: Intuitive display, simple operation, fast analysis with low reagent use
Portability: Compact (128×70×48 mm), lightweight (188 g), IP65 protection
Battery Life: Over 24 hours continuous use
Principle: DPD spectrophotometric method, compliant with HJ586-2010 standard
 

Simultaneously processes 16 samples, divided into two independently temperature-controlled 8-well blocks
Temperature range: 45–180℃, temperature control accuracy: ±0.1℃, temperature fluctuation: ≤±0.5℃
Dual temperature-controlled heating system, digestion efficiency increased by over 2 times
Digestion time and temperature are freely adjustable, with intelligent automatic timing start
Transparent heat-resistant protective cover for safe and intuitive operation
Dimensions: 359×195×167 mm, Weight: 4 kg
Power supply: DC 12V/12.5A
 

Detection Parameters: Supports 38 water quality indicators including ammonia nitrogen, chlorine, heavy metals, pH, DO, nitrate, phosphate, and more
Calibration Curves: Preloaded with 45 curves for high-accuracy quantitative analysis
Wavelengths: Supports 420nm, 470nm, 520nm, and 620nm detection
Display: High-contrast OLED screen with user-friendly interface
Storage Capacity: Saves up to 5,000 test results
Power Supply: Built-in 2500mAh lithium battery, USB charging supported
Dimensions / Weight: 170×72×44mm / 277g, compact and portable
 

Simultaneously detects 12 water quality parameters including residual chlorine (0-3 mg/L), pH (6.5-9.0), dissolved oxygen (0-20 mg/L), ammonia nitrogen (0-5 mg/L), phosphate (0-2 mg/L), copper (0-2 mg/L), and hexavalent chromium (0-2 mg/L).
Uses advanced German optical structure with imported high-brightness quasi-parallel LED cold light source for precise and stable measurement.
Supports multi-wavelength detection at 420nm, 470nm, 520nm, and 620nm for diverse parameter analysis.
Waterproof design (IP65), built-in 2500mAh rechargeable lithium battery, and storage of up to 5000 test results.
Compact size: 170×72×44mm, lightweight at 277g, portable with user-friendly OLED display and 5-key operation.
 

Measures multiple parameters including residual chlorine (0-3 mg/L), total chlorine (0-3 mg/L), chlorine dioxide (0-5 mg/L), ozone (0-2.5 mg/L), pH (6.5-9.0), urea, alkalinity, hardness, cyanuric acid, and chloride
OLED display with 5-key operation and acrylic protective panel
High-brightness quasi-parallel LED cold light source with 100,000 hours lifespan
IP65 waterproof design with sealed plastic casing resistant to acid, alkali, and oxidation
Supports up to 5000 data records storage, manual data saving, and PC connectivity (M900)
Dimensions: 170×72×44 mm; Weight: 277 g
Built-in 2500mAh rechargeable lithium battery with USB charging
 

Temperature range: 40–180°C with ±0.1°C precision
Four temperature zones with independent control
Can process up to 32 samples simultaneously
Rapid heating: 25°C to 165°C in 9 minutes
7-inch color touch screen with real-time temperature display
Safety shield protects test tubes during digestion
Power supply: 220VAC, 1250W; Dimensions: 370×375×190mm; Weight: 5.5kg
 

Measuring Range: 0.1–10.0 mg/L
Principle: Nano reagent photometric method
Wavelength: 420 nm LED light source
Accuracy: <1.0 mg/L: ≤±0.05 mg/L; ≥1.0 mg/L: ≤±5%
Operating Environment: 0–40°C, RH ≤90% (non-condensing)
Power Supply: Battery-powered, >24 h continuous use
Dimensions & Weight: 128×70×48 mm, 188 g
 

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
 

Supports detection of 20 water quality parameters including residual chlorine, total chlorine, ozone, pH, dissolved oxygen, ammonia nitrogen, phosphate, nitrate, hexavalent chromium, copper, etc.
Uses imported German high-brightness quasi-parallel LED cold light source and advanced optical design for high accuracy and stability
OLED high-definition display, easy operation with 5-button control, stores up to 5000 test results
IP65 protection rating, full plastic casing with anti-oxidation, acid and alkali resistance, and waterproof sealed design
Multi-wavelength detection at 420nm, 470nm, 520nm, and 620nm for versatile water quality analysis
Built-in 2500mAh lithium battery, supports charging via data cable and computer connectivity
Dimensions: 170×72×44mm; Weight: 277g; portable and lightweight design
 

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