$164.00
SE
SMART SENSOR AR8401 split pH meter /ORP Detector
pH, ORP, temperature0.00~14.00pH
The pH meter and ORP Detector are two-in-one to simultaneously monitor the acid and alkaline of water, oxidation and reduction reactivity, PH accuracy +/- 0.02pH, ORP accuracy +/- 0.2mV.

If you don't know how to choose "STIP-scan", please consult customer service.