Blue EC-1 Water Quality Test Meter Digital Tool TDS&EC Temperature 0-9990 ppm

Display modes: press SHIFT button: TDS - ppm & °C, EC - μs/cm & °C, TDS - ppm & °F, EC - μs/cm & °F. TDS: 0-9990ppm. Shift between TDS & Conductivity Model: EC-1. Temperature shift:Continuous touch the SHIFT button twice, degrees Celsius and degrees Fahrenheit conversed, the factory default degrees Celsius.

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