Waterproof pH Controller,Aquarium pH Controller,PH-201W ? Feature: pH controller offers continuous and accurate pH reading. It also offers alarm when pH reading is out of the user preset range.?
The alarm feature can be set for either high or low position. Housed in a floating waterproof case ? Specifications:

Model	PH-201W(waterproof)
Measuring range	0.00~14.00PH
Accuracy	±(0.1%+2 digits) after calibration
Resolution	0.01PH
Set Range	3.50~10.50PH
Environment	Temperature:0~50°C? Humidity<95%
Power Supply	220V±10% 50Hz±2%
Dimensions	165mmx158mmx121mm
Weight	580g

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