Product name
Portable 4-20ma digital ph water tester phmeter ph controller
Power
DC6V/20mA ; 4 x AA/LR6 1.5 V or NiMH 1.2 V and chargable
Installlation
Wall hanging/Flushbonading type
Working condition
Relative humidity 5%...80%(without condensate)
Temperature compensation
-5.0~105℃