ISO 9151 EN 367 Protective Clothing Heat Transmission Tester Flame Resistance Test ISO 9151 EN 367 Protective Clothing Heat Transmission Tester Product introduce: The thermal insulation clothing convection heat resistance test device is designed, developed and manufactured according to ISO9151 and EN367. This instrument measures the heat transfer performance of protective clothing under fire conditions. The instrument is easy to operate, accurate in data, safe and reliable,