HM Digital COM-100 Waterproof Combo Meter for EC, TDS and Temperature, 1-Pack, Home Improvement Tool by Filter Now

SPECIFICATIONS: EC Range: 0 - 9990 µS TDS Range: TDS Range: 0-8560 ppm/442, 0-5000 ppm/NaCl(Salt) Temperature Range: 0-80 °C; 32-176 °F Resolution: 0-99: 0.1 µS/ppm; 100-999: 1 µS/ppm; 1000-9990: 10 µS/ppm. Temp. resolution is 0.1 °C/F Accuracy: +/- 2% EC to TDS Conversion Factor: Non-linear conversions for KCl, 442TM or NaCl solutions, set by the user. Calibration: Digital calibration by push button. Probe: Detachable platinum electrodes Housing: Waterproof (submersible) Power source: 3 x 1.5V button cell batteries (included) Dimensions: 18.5 x 3.4 x 3.4 cm (7.3 x 1.3 x 1.3 inches) Weight without case: 90.7g (3.2 oz)