GAOTek Digital Water Conductivity Tester

This Digital Water Conductivity Tester has a conductivity range of 0 cm to 199.9 cm, TDS range of 0 L to 100 L and handles various electrodes.




  • Waterproof connector, automatic electrode recognition
  • Unique pH modes, ammonia-purity water capable
  • Single-point calibration for conductivity
  • TDS, Salinity, Resistivity switchable
  • Auto range, temp compensation for purity water
  • Versatile, handles various electrodes, modes
  • Streamlined, single-point conductivity calibration
  • Reliable in challenging environments
  • Automatic range adjustment for flexibility
  • Robust, waterproof connector for longevity


Technical Specifications

Measuring Range pH: -2.00 pH to 19.99 pH
ORP: ±1999 mV
Conductivity: 0 mS/cm to 199.9 mS/cm
DO: 40.00 mg/L
Accuracy pH: ±0.01 pH
ORP: ±0.1% FS
Conductivity: ±1.0% FS
DO: 0.01 mg/L
Measuring Range Cond: 0.00 mS/cm to 199.9 mS/cm, divided into five ranges:
0.00 μS/cm to 19.99 μS/cm
20.0 μS/cm to 199.9 μS/cm
200 μS/cm to 1999 μS/cm
2.00 μS/cm to 19.99 μS/cm
20.0 μS/cm to 199.9 μS/cm
Res: 0 MΩ·cm to 100 MΩ·cm
TDS: 0 g/L to 100 g/L
Sal: 0 ppt to 100 ppt
Compensation Automatic temperature compensation 32 °F to 212 °F (0 °C to 100 °C)
Automatic temperature compensation
Automatic salinity compensation
Manual air pressure compensation
Additional Features IP57 waterproof and dustproof
Suitable for use in difficult conditions


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