Automatic radiant protective performance tester
Whats/App: +86 156 1874 6768
Web: standard-groups.com
Application
Outdoor Sports Gear: Evaluating the waterproof breathability and thermal balance of fabrics for jackets, ski suits, and mountaineering apparel.
Specialized Protective Clothing: Testing thermal protection and moisture-wicking performance of firefighting suits, military combat uniforms, and medical protective garments.
High-Performance Fabrics: Evaluating multilayer composite materials for extreme environments like spacesuits and deep-sea diving suits.
Bedding & Interiors: Monitoring thermal resistance properties of sleeping bags, carpets, and automotive seat materials to enhance comfort at home and on the go.
Membrane Material Research: Assisting R&D personnel in testing technical specifications of moisture-permeable components like microporous membranes and non-porous hydrophilic films.
Standards
NFPA 1971：Standard on Protective Ensembles for Structural Fire Fighting and Proximity Fire Fighting
NFPA 2112：Standard on Flame-Resistant Garments for Protection of Industrial Personnel Against Flash Fire
BS EN ISO 6942：Protective clothing — Protection against heat and fire — Method of test: Evaluation of materials and material assemblies when exposed to a source of radiant heat
EN 366：Protective clothing — Protection against heat and fire — Method of test: Determination of resistance to molten metal splash
ASTM F2702：Standard Test Method for Determining the Heat Transfer Through Materials Used in Protective Clothing Using a Hot Surface
ASTM F1939：Standard Test Method for Radiant Heat Resistance of Flame Resistant Clothing Materials With Continuous Heating
Feature
◆Evaluation of flame retardant properties of flame retardant materials
◆Detect abnormalities and reduce accidents
◆Calculate the RPP value
◆Evaluate thermal protection performance
◆Improve job safety
◆Improve the quality control system
Technical Parameters
| Items | Parameters |
| Heating power | 6.5Kw/220V/50Hz |
| Heating length | 178mm, diameter 8mm |
| Heat flux density | 10Kw/m2-80Kw/m2 |
| Radiation source temperature control | －1200℃±5℃ |
| Thermal radiation source temperature sensor | Thermocouple (0 ℃ -1600 ℃) |
| Calorimeter heat capacity | 480.937J/K |
| Heating area | 50mm2×50mm2 |
| Calorimeter temperature range | －80℃ |
| Test environment |
Between 15 ℃ -35 ℃ ,the room without air circulation |
Test Procedures
System Preheating: Power on the instrument, set the test plate temperature (e.g., 35°C) and ambient chamber temperature/humidity, allowing the system to reach stable equilibrium.
Thermal Resistance Test (Dry Test): Cover the test plate with a dry sample and measure the constant heat flux required to maintain the temperature difference under water-free conditions.
Wet Resistance Test (Wet Test): Cover the test plate with a semi-permeable membrane simulating skin and inject distilled water.
Sample Installation: Place the test sample flat over the semi-permeable membrane and activate the parallel airflow system.
Data Acquisition: After the system re-establishes dynamic equilibrium, record the heat consumed by water vapor evaporation via software.
Calculation Results: Software automatically subtracts no-load resistance, outputting the material's final thermal resistance ($R_{ct}$) and wet resistance ($R_{et}$) values.
Maintenance Information
Water Circuit Cleaning: Wet resistance testing must use medical-grade distilled water or deionized water. Tap water is strictly prohibited to prevent scaling and clogging of the porous plate.
Sensor Protection: Keep the gap between the protective ring and the test plate edge clean to prevent fiber debris from affecting airflow distribution.
Calibration Recommendation: Periodically verify the system's heat flux response using a standard calibration plate.
Long-Term Storage: If the moisture resistance function remains unused for extended periods, drain the water supply lines and keep the test plate surface dry.
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