Apera Instruments YD300 Portable Water Hardness (CA2+ and MG2+) Meter Kit, Simple Quick Electrode Testing Method with The Same Accuracy of EDTA

Adopting electrode method to test hardness, having the same accuracy as EDTA titration method, yet much more convenient Patented 601-S 3-in-1 water hardness combination electrode: combines a measuring electrode, a reference electrode, and a temperature electrode all in one Intelligent chip design produces stable potential, fast response rate, and convenient use 99 groups of data storage; automatic calibration and temperature compensation (ATC), auto-lock and power-off Portable IP57 waterproof design equipped as a full kit with a rugged carrying case; suitable for both lab and field test