The Practical Instrument Electronics (PIE) Model 522 is a complete source/read thermocouple calibrator providing direct temperature input to all types of instruments such as transmitters, recorders, controllers, alarms, data acquisition, and computer systems. The Model 522 is internally cold-junction compensated for accuracy in any operating environment.

Use the EZ-Check Switch to quickly switch between three stored temperature/mV outputs. It’s easy to customize these values to your application. In read mode, the EZ-Check Switch recalls minimum and maximum readings. Store/Clear memory with a press of the EZ-Dial Knob.

The Practical Instrument Electronics Model 522 offers the highest performance and functions in its class by exceeding the accuracy and functions of many higher priced thermocouple calibrators. It is a low cost solution for checkout and calibration of all thermocouple instruments in the field, shop or control room. Contact Practical Instruments Electronics for custom thermocouple curves, ranges, or special requirements not provided by the Model 522.