Classification
DR255C Thermal Protection Performance Tester
Category:
keywords:
Pilling& Snaaging testing instrument
DR255C Thermal Protection Performance Tester
Thermal Protection Performance Tester
Product Description
【Scope of Application】
This instrument is mainly used for testing the heat insulation performance of flame-retardant protective clothing fabric when exposed to radiant heat sources and convective heat sources.
【Related Standards】
GB /38302-2019 GB 8965.1-2020 (Selection Instructions)
NFPA 1971, ASTM F 2700-08, ASTM F 2703-08, ASTM D4018,
ISO 17492 and other testing standards
【Instrument Parameters】
1. Sample Area: (150×150)mm Sample Radiation Area: (100×100)mm
2. Heat Source:
(1) Radiation Heat Source: 9 quartz lamps of 500W each,
Spacing: (13.0±0.5)mm [Can be selected as GB 8965.1: (14.3±0.5)mm]
(2) Convection Heat Source: Two (20°~30°) adjustable convection heat sources for radiation quantity
(Selectable as GB 8965.1: 45°)
Using methane gas combustion (purity ≥ 99%) or industrial-grade propane (purity ≥ 95%)
3. Heat Flow Meter: Using K-type thermocouple wire (diameter no more than 0.25mm), minimum resolution 0.1C,
Accuracy 0.7C
4. Data Acquisition System: Acquisition Frequency 10Hz
5. Radiation Source and Heat Flow Source can be manually adjusted for convenient operation
Radiation Flux of the Radiation Source: (134) kW/m2 [(0.30.1) cal/cm2s]
Total Heat Flux: (842) kW/m2 [(2.000.05) cal/cm2s]
6. Evaluation of Thermal Protection Coefficient TPP and Thermal Protection Performance TPE of the Detection Protective Material, display time-temperature curve
7. Instrument Configuration: Special computer for the instrument, Chinese operation interface, automatic data processing
8. Built-in cooling system, can quickly cool the temperature of the heat flow meter, improve testing efficiency
9. Power Supply: AC 220V 10% 50Hz 5kW
9. Dimensions: 1320mm*660mm*690mm
10. Instrument Weight: Approximately 155kg
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