Source and read T/C’s over the entire industrial temperature range with Altek’s Model 222A Thermocouple Calibrator. Use with transmitters, recorders, controllers, alarms, indicators, data acquisition and computer systems.

Built-in flexible T/C leads let you connect directly using the proper T/C materials. Automatic, linearized cold junction compensation virtually eliminates temperature drift.

Field customize the Model 222A to lock-in 0.1° or 1° resolution, fixed °F or °C or front panel selectable °F/°C operation. Built in protection guards the Model 222A against mis-connection to 120 Volts AC or DC, in any mode.

Select resolution of 0.1° or 1° for the full listed range of all thermocouple types. Millivolts allows 10 microvolt resolution from -999.90 to 999.90 mV. The Model 222A simulates key temperatures for repetitive calibrations. “Quik-Chek” function stores three output temperatures for real convenience. Three memories are retained for each thermocouple type even when the power is off.

Turn the knob to check trip points, controller action or hysteresis. The fast response 222A sets quickly without overshoot but allows slow changes at your own rate.

The Model 222A display gives you fast, accurate temperature measurement with 0.1 and 1 degree or with 0.01 millivolt resolution. High resistance or open T/Cs and leads are detected and indicated on the LCD display. Two readings per second track fast moving temperatures.

“MAX” and “MIN” memories are continuously updated from turn-on or whenever the “RESET” pushbutton is pressed. The Model 222A gives you a handy tool to monitor temperatures for drift or control deviation. Just flip the “Quik-Chek” switch to display the minimum and maximum temperature since reset.

Each time the Model 222A is turned on, the LCD will display all segments for 1 second. If °C/°F operation has been selected the currently selected temperature scale of °C or °F will display.