ORP four set point controller, 2 independent dosing outputs and 2 alarm controls. Accurate measurement from -1000 to +1000mV with ±5mV accuracy. Designed with DIN standard panel-mount for easy installation. Isolated recorder ouput 4 to 20mA

Jenco pH/ORP controller, isolated 4-20mA output, compact 1/4 DIN case. Accuracy ±0.01pH, ±0.1%mV. ATC

pH/ORP controller; Internal pH/ORP select switch; pH range: 0 to 14.0, mV range -1990 to +199. pH accuracy ±0.1 mV accuracy ±0.1%