REED Instruments BX-500 Infrared Temperature Calibrator, 932&deg;F (500&deg;C) For calibrating non-contact infrared thermometers and thermal imagers up to 932 degree F (500 degree C) Temperature controlled black-body target Simply set the desired temperature in increments of 0.1 degree Wide field of view to compensate for optical variations in individual infrared thermometers Includes power cord and user manual