Walchem Controllers - Sensors

pH / ORP Controllers

Economical and reliable

WPH410/420 pH/ORP ControllersWPH/WDP Wall Mount economical, reliable process control. Up to 2 direct sensor inputs (pH, ORP or any combination) and 5 relays available. On/Off or proportional control. More Info

WPH410/420 pH/ORP Controllers

WDP410/420/440  pH/ORP Controllers