This instrument mainly uses human body temperature (36℃) as the standard to measure the thermal insulation performance of ordinary fabrics, knitted fabrics, raised fabrics, quilted product cushions and various thermal insulation materials. It adopts microcomputer control, large-screen LCD display, automatic data processing, and printout, easy to set up procedures, accurate, fast and convenient testing, it is a necessary universal instrument for correct evaluation of fabric warmth performance indicators.