Source and read T/C's over the entire industrial temperature range with Altek's Model 422 Thermocouple Calibrator. Use with transmitters, recorders, controllers, alarms, indicators, data acquisition and computer systems. Switch between 14 T/C types or millivolts. High accuracy and stability is achieved through Altek's exclusive isothermal block. Make your connections directly with thermocouple wire or with miniature thermocouple connectors. The Model 422 turns on to the T/C type last used. Other T/C types may be selected each time the unit is turned on. If you use less than 14 T/C types, you can create your own T/C List. By following a simple setup procedure you can deselect unwanted T/C types to customize T/C types available at turn on.