BL671 PORTABLE BLACKBODY CALIBRATION SOURCE The BL671 is a small size blackbody calibration source utilizing a digital indicating temperature ambient 30°C to 50°C (86F to 122F). A 70x70 mm size ridged plate is heated or cooled with an internal solid state thermoelectric heat pump. It has a builtin digital temperature controller to provide accurate, stable temperature as well as to provide readout. 0.05° C high stability Emissivity 0.97 ± 0.02 Calibrate from 30° C to 50° C Target size is 70mm x 70mm Built-in temperature correction function Portable and light weight Easy operate Ambient temperature compensation for thermal image camera Test infrared thermometer SPECIFICATION Temperature range Aperture size Emissivity Display accuracy Display resolution Control stability Blackbody uniformity Heat cavity shape Warm up time Control method Temperature sensor Power supply Interface Dimension Net weight 30° C to 50℃ (86F to 122F) 70 mm * 70mm 0.97 ± 0.02 ± 0.05° C ,(uncertainty is 0.2° C, k=2) 0.01° C ± 0.05℃ after 10 minutes 0.05° C Plate 10 minutes from ambient to 50℃ Digital PID controller with readout Precision platinum RTD 110-220V AC 50Hz, 60WA RS485 250mm(D) x 140mm(W) x 180mm(H) Approx. 2 kg BL671 Portable blackbody calibration source Power adapter as standard 110-240V AC User manual Protective carrying case Factory test report Accredited calibration certificate (P/N: 9000-671) Tripod with carrying bag (P/N: 67X-TP) ORDERING MODEL NUMBER ■ Balun Technology Co., Ltd Add: 1322, F/3, Bldg 1, 33 Zique Rd, Haidian, Beijing100095, China