SANSEL infrared black body calibrator model BCAL 40 is designed for accurate calibration of non-contact temperature measurement devices used in medical and industrial applications. It is widely used for verifying the performance of medical thermometers, thermal image scanners, and infrared sensors operating around human body temperature. This calibrator utilizes advanced solid-state heating and cooling technology, enabling stable temperature generation under varying ambient conditions. The true color touchscreen interface provides real-time visibility of block temperature, set values, control status, and output levels, ensuring simple operation without the need for printed manuals.