MODEL BB705 Model No. VERY HIGH TEMPERATURE BLACKBODY CALIBRATION SOURCE PRICE BB705 The BB705 is a blackbody temperature reference which is adjustable over a range of 100 to 1046°C (212 to 1915°F) and accurate to ±1°C, ±0.25%rdg. It has a built-in digital temperature controller to provide accurate, stable temperatures as well as to provide the temperature reading of the cavity. The heated cavity provides a target of known temperature and emissivity, and virtually any infrared pyrometer with a spot size diameter less than 44.5mm (0.88") can be calibrated. BB705 Very High Temperature Blackbody Calibrator, 115 Vac $9995.00 BB705-230VAC Very High Temperature Blackbody Calibrator, 230Vac $9995.00