HM Digital COM-80 + PH-80 Meter COMBO PH TDS EC PPM Pocket Tester HM-500 pH Replacement Probe This instrument has been designed

This instrument has been designed to meet the Grower's need for equipment suited to the aggressive environments found in agricultural and hydroponics applications

Easy measurement: just place the probe in the sample

Scrub the filter’s exterior with a scour pad and clean water—without soap—then rinse thoroughly and replace in the upper chamber

~100 Hours Battery Life — Auto shut-off and low power demand

HM Digital COM-80 + PH-80 Meter COMBO PH TDS EC PPM Pocket Tester HM-500 pH Replacement Probe This instrument has been designedPH 80: pH HydroTester Series The PH 80 has proven to be the MOST reliable pH meter in its price range. It has become a favorite in such applications as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. FEATURES: Measures pH and Temperature One touch automatic digital calibration Water resistant Simultaneous temperature display Large LCD display Automatic Temperature Compensation (ATC) Auto off