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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