Online pH Controller,Digital pH Controller,PH-301 ? Feature: 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. ? Specifications:

Model	PH-301
Measuring range	0.00~14.00PH
Accuracy	+/-0.1%+2 digits
Resolution	0.01PH
Set Range	3.50~10.50PH
Environment	Temperature:0~50°C Humidity<95%
Power Supply	220V±10% 50Hz±2%
Dimensions	160mm×102mm×40mm
Weight	772g

? Picture Show: