ECM-302 Pentype 2-in-1 TDS / EC Meter with ATC Digital Water Quality Tester Temperature Measurement for Water Analysis Hydroponics Aquaculture

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2-in-1 digital pen type water quality tester. Measure TDS, Conductivity and temperature of your liquid sample in one handy unit.

Total Dissolved Solids (TDS) measured in ppm (parts per million) is key factor in water quality analysis, water with high level of TDS is not safe for human consumption. On the other hand EC measures the electrical conductivity in a solution. This two parameter has multiple applications in research and engineering, with common usage in hydroponics, aquaculture, aquaponics, and freshwater systems to monitor the amount of nutrients, salts or impurities in the water.


  • HOLD function and with automatic lock feature within 5min of idle
  • Automatic power off function within 9min of no operation
  • With Automatic Temperature Compensation (ATC)
  • Switchable display by pressing SHIFT button (ppm, µs/cm, °C, °F)
  • Comes with protective cap, protect the electrode when not in use and to avoid contamination during testing procedure


  • Measurement Range:
    • Conductivity 0~9999µs/cm
    • TDS: 0~9999ppm
    • Temperature: 1~80°C (33.8~176°F)
  • Accuracy: ±2%
  • Weight: approx. 55gms
  • Dimension: approx. 153 x 30 x 14mm

Set Includes:

  • 1 x 2-in-1 Tester
  • English Instruction Manual
  • Standard factory packaging


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