Model 253

• Field or panel-mounted housing
• Universal application
• Simple handling
• Safe operation
• Additional 2 contacts for use as Limit contacts (also for temperature), P(ID) controller, Timer for simple rinse processes, Current input
• Plus package: User-defined current output characteristics,  Automatic cleaning trigger on alarm or limit violation, Sensor Check System for pH glass and reference, Live check of the sensor, Special neutralization controller.
• 2nd current output for temperature, pH/ORP or continuous controller.