Advanced Energy’s M390 ultra-fast high temperature blackbody calibrator can produce very high temperatures and meet high emissivity targets. It can quickly stabilize within a few minutes. Exceptional accuracy at high temperatures. ±0.25% of reading ±1°C. Effective emissivity of 1.0 between 0.65 to 1.8 µm. Rapid warm-up/cool-down time — only five minutes from ambient to 2300°C.