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Balun Technology Co., Ltd
Catalog excerpts
The BL682 is a low temperature black body calibration source utilizing a digital indicating temperature low to -50°C. A precision PT100 temperature sensor is embedded in the black body emitter, providing high accuracy and repeatability. The temperature controller uses the industry standard PID algonthms to control the emitter temperature to within 0.1°C of the set points. Temperature range: -50°C to 100°C Aperture diameter: 50 mm (1.97 inch) Heated emitter shape:Spherical Emissivity: better than 0.998 Display Resolution:0.01°C Stability (LOmin): =£0.1°C or 0.1%rd (whichever is great) Uniformity: 0.15°C or 0.15%rd (whichever is great) Tube depth: 340mm Control method: PID Temperature Sensor: PT 100 Power Supply: 220V AC / 4000WA Interface: RS232 Cool down time: 2 hours from ambient to -50°C , Heat up time: 1 hour from ambient temp. to 100°C . Media: Oil Calibration Method: Pyrometric Dimension (LDH): 550 x 850 x 1100mm Net Weight: 120 kg approx. The black body emitter mechanism uses a resistive heating device that provides a long life, short stabilization limes, and Stable temperature control. BL682 Low temperature blackbody calibrator Power cord User manual Factory calibration report Temperature is low to-50°C . Emissivity is better than 0.998 Uniformity is 0.15°C 50 mm aperture diameter Build-in temperature correction function Infrared temperature sensors Infrared thermal imaging systems Spectrographic analyzers Radio meters Flux meter Accredited calibration certificate (P/N: CAL-682) BL682-50: black body calibrator -50°C to 100°C BL682-40: black body calibrator -40°C to 100°C BL682-30: black body calibrato
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