Output temperature range 122 degrees f. To 2012 degrees f. In the infrared range; power requirements 115 vac, 50 to 400 hz, 600 watts, 230 vac optional; voltage selection made by moving internal jumper wire; stabili type 0.2 degrees f; set point 0.1 degrees f; operating range minus 40 degrees f to 122 degrees f below minus 40 degrees f cooling fan must be disconnected; sensing element platinum rtd; coupled to a model 2376 temperature controller with an 8 ft cable