PC-3221 Simple and Economical PH ControllerCan be converted into ORP controller for use. Two sets of relay control, with user adjustable control points, 4-20mA with isolated current output. Equipped with automatic temperature compensation function. It is an affordable pH/ORP controller and transmitter.

PC-3221 Simple and Economical PH ControllerMeasurement range 0.00~14.00pH
Resolution 0.01pH
Accuracy ± 0.05pH
Temperature compensation automatic 0~100 ℃
ORP measurement range -1999~1999mV
Resolution 1mV/± 0.5% FS
Accuracy ± 0.5% (F.S.)
4-20mA current output, 4-20mA isolated current output
Menopausal voltage/* high load 500VDC/450 Ω
Relay control output control mode system ON/OFF control, one set of high point control, one set of low point control
*High load 2.5A/230VAC
Delay width ± 0.1pH//± 10mV
Other input impedance>1012 Ω
Standard body size of 1/4DIN, 96x96x119mm
Hole size 92x92mm
Power supply 230VAC, 50/60Hz

PC-3221 Simple and Economical PH ControllerAcidity PH, oxidation-reduction ORP, industrial PH/ORP online controller The same instrument can measure both pH value and oxidation-reduction potential ORP value The Shenzhen PH controller is popular in China. *Economical and affordable PH/ORP controller.