WQM-408 6in1 Water Quality Testing Meter TOC UV275 EC TDS COD Temp Tester, Intelligent Scoring Mode, Colored Backlight Indicator Digital Water Test Kit for Home Drinking Water, Tap Industrial Water etc.

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This water quality meter is specifically designed for various applications, including tap water, purified water, and groundwater. It utilizes ultraviolet absorption spectrophotometry to measure key parameters such as COD, TOC, and UV275 in drinking water. Additionally, it determines the water's TDS and electrical conductivity by measuring the conductance between electrodes. To provide a comprehensive assessment of water quality, the instrument features an intelligent scoring function. This is displayed through the LCD backlight color, which indicates four levels of water quality: fine, good, average, and poor. Moreover, the meter incorporates a temperature correction feature that ensures accurate and consistent readings.


  • Simultaneous 6 parameters measurement (COD, TOC, UV275, TDS, EC, and Temperature)
  • Color screen display
  • Colored backlight serves as an indicator of different water quality levels and score
  • With ambient temperature compensation
  • Easy to carry small, portable, and pen-like design
  • Easy calibration procedure


  • Parameters: COD (Chemical Oxygen Demand) / TOC (Total Organic Carbon) / UV275 (Ultraviolet Absorption Value) / TDS (Total Dissolved Solids) / Electrical conductivity / Temperature
  • Display: 240 x 135, 1.14 inch TFT color screen
  • Measurement Range:
    • COD: 0~100mg/L
    • TOC: 0~100mg/L
    • UV275: 0~1.0au/cm
    • TDS: 0~2000ppm
    • Conductivity: 0~4000us/cm
    • Temperature: 0~50℃
  • Resolution:
    • COD: 0.01mg/L
    • TOC: 0.01mg/L
    • UV275: 0.001au/cm
    • TDS: 1ppm
    • Conductivity: 1us/cm
    • Temperature: 0.1℃
  • Accuracy
    • COD: 0-5mg/L:±0.5mg/L; 5-100mg/L:±10%H,H is the standard value
    • TOC: 0-5mg/L: ±0.5mg/L; 5-100mg/L: ±10%H, H is the standard value
    • UV275: 0-0.1au/cm: ±0.01au/cm; 0.1-1.0au/cm: ±10%H, H is the standard value
    • TDS: 0-100ppm:±5ppm;100-2000ppm:±5%H, H is the standard
    • Electrical conductivity: 0-200us/cm:±10us/cm;200-4000us/cm:±5%H,H is the standard
    • Temperature: ±1℃
  • Working Temperature: 0~50℃
  • Storage Environment: -10~60℃,0~85%RH(no condensation)
  • Power Supply: 2 x AAA Alkaline batteries
  • Dimension: 157 x 37 x 14mm
  • Weight: approx. 68gms

Set Includes:

  • 1 x Water Quality Meter
  • 2 x AAA Alkaline Battery
  • English Instruction Manual
  • Standard Factory Packaging

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