Instrument usage:
This equipment is an internationally recognized optimal technology for objectively evaluating the overall thermal and moisture resistance performance of clothing. It is widely used in fields such as clothing, aerospace, fire protection, petroleum, traffic safety, occupational health, etc. It has played an important role in the evaluation of clothing thermal insulation performance, research on clothing thermal insulation mechanism, and development of occupational protective clothing. It is recognized as an essential advanced equipment in clothing ergonomics research. It is an international cutting-edge technology that intersects clothing science with human bionics, biophysics, and other fields.
Compliant with standards:
GB/T 39605-2020 "Test Methods for Moisture Resistance of Clothing - Sweating Warm Body Dummy Method", GB/T 18398-2001 "Test Methods for Thermal Resistance of Clothing - Warm Body Dummy Method", ASTM F1291, ASTM F1720, ASTM F2370, etc
Testing principle:
1. Thermal resistance: The basic principle of using a thermal dummy to test the thermal resistance of clothing is to simulate the process of heat exchange between the human body, clothing, and environment. The thermal resistance of clothing is derived from the relationship between physical parameters such as the temperature difference between the skin surface temperature of the thermal dummy and the environmental temperature, as well as the non evaporative heat dissipation rate per unit area of the body surface.
2. Moisture resistance: The basic principle of testing the moisture resistance of clothing is to simulate the conductivity of clothing to moisture when the human body sweats in a stationary or moving state.
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