OPM223/253

pH/ORP Measurement Transmitter for analog and digital glass and ISFET sensors

• Universal application
• Simple handling: Logically arranged menu structure, Large two-line display, Ultrasimple two-point calibration
• Safe operation: Overvoltage (lightning) protection, Direct access for manual contact control, Calibration plausibility check, User-defined alarm configuration
• 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