Save power, extend battery life. 4 Display modes: press SHIFT button: TDS - ppm & °C, EC - μs/cm & °C, TDS - ppm & °F, EC - μs/cm & °F. TDS: 0 - 9999 ppm (parts per million). Locks your reading making it easy to record: Large, easy to read LCD screen and data-hold function makes reading and recording a snap.
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