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
 

Measurement Range: 0.05–3.00 mg/L residual chlorine
Precision: ≤ ±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
 

Measurement Range: 0.1–5.00 mg/L chlorine dioxide
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 photometric method, chlorine dioxide reacts with DPD to produce a red-colored solution
 

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
 

Measurement Range: 0.00–10.00 mg/L residual chlorine
Accuracy: ≤ ±0.05 mg/L (<1 mg/L), ≤ ±5% (≥1 mg/L)
Wavelength: 520 nm, LED light source
Operation: Simple, intuitive display; 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
 

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
 

Residual Chlorine Range: 0-5 mg/L, Resolution: 0.01 mg/L, Accuracy: ±0.1 mg/L or ±5%
pH Range: 0-14, Resolution: 0.01, Accuracy: ±0.1
Temperature Range: -5 to 60°C, Resolution: 0.1°C, Accuracy: ±0.3°C
LCD Touchscreen with backlight, displays residual chlorine, pH, and temperature simultaneously
Self-cleaning flow-through tank with grinding beads for low maintenance
Supports wireless SIM connection for remote monitoring via PC or mobile app
IP65 waterproof and dustproof protection, suitable for harsh environments
Power Supply: AC 90-220V, 50/60Hz; Dimensions: 500×350×200 mm
 

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