The PH-301 digital pH controller delivers stable real-time pH measurement ranging from 0.00~14.00pH with 0.01pH high resolution and reliable accuracy. Equipped with a professional pH electrode probe, this monitor supports easy two-point calibration via pH4 and pH7 buffer solutions.

It features automatic high/low limit output control. You can connect a solenoid valve or dosing pump to automatically adjust liquid pH value, ideal for aquariums, aquaculture, hydroponics, swimming pools and laboratory water monitoring.

Clear LED digital display lets you read pH data at a glance. Compact and waterproof housing enables simple wall mounting. Suitable for continuous long-term water quality monitoring, an essential device to maintain stable water environment.