Apera Instruments EC60 Premium Waterproof Conductivity Pocket Tester, ±1% F.S Accuracy, Easy Switch of EC/TDS/Salinity, Replaceable BPB Sensor

The Apera Instruments EC60 Pocket EC/TDS/Salinity Tester simply tests all kinds of regular EC measurements in an ACCURATE, QUICK, and RELIABLE manner. The applications include hydroponics, tap/drinkin..