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Second, the test method Place a heat source on one side of the test sample and place a copper calorimeter on the other side. Start the test and the sample clip is pushed into place. When the sensor value reaches the endurance limit of the second grade burn (the sensor temperature rises 35°C to 40°C), remove the sample clip from the heat source. From the intersection point of the response curve and the human tissue tolerance curve, the time for the second-degree burn was read to the nearest 0.1 second.
Third, the main technical indicators 1, the use of computer control, test results printout.
2, heat source heat flux: 50kw/m2 ~ 100kw/m2 adjustable.
3, heat source accuracy: ± 2%
4, calorimeter measurement range: 0 °C ~ 1600 °C ± 0.5 °C
5, the sample size: 150 × 150mm
6, power supply: AC220V50Hz4kW
Fourth, the applicable national standard GB8965.1-2009 "protective clothing flame retardant protection Part 1 flame retardant clothing"
Qingdao Zhongbang ZF-622 thermal protection performance tester
ZF-622 thermal protection performance tester I. Main application This instrument is suitable for testing the thermal insulation performance of flame-retardant protective clothing fabrics exposed to radiant heat sources and convection heat sources. (Provided by Qingdao Zhongbang Instrument Co., Ltd.)