EN ISO 12127 Contact heat transmission test machine
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The Contact Heat Transmission Tester is a precision instrument designed to evaluate the heat transfer resistance of protective clothing, thermal gloves, and other fire-resistant materials. By simulating direct contact with a high-temperature surface under controlled pressure, it measures the time required for the material temperature to rise by 10°C, providing an objective metric of thermal protection performance.
Technical Parameters
| Parameter | Specification |
|---|---|
| Heat Source | Nine T-150 infrared quartz lamps |
| Heat Flux | 10–50 kW/cm² |
| Sample Holder | Mounting plate 150×150 mm, 1.6 mm thick |
| Sample Holding Plate | 149×149×15 mm steel, center hole 130×130 mm |
| Spacer | 128×128×6.4 mm, center hole 110×110 mm |
| Protective Grid | Anti-slip, manually adjustable to shield/control sample exposure |
| Data Acquisition | Real-time temperature recording and heat transfer rate measurement |
| Control System | Pneumatic control unit with heat-shielded holder |
| Software | Calculates heat transfer index, averages multiple samples |
| Temperature Range | Hot side adjustable 30–60°C, cold side stable |
| Power Supply | 220V ±10%, 50/60Hz |
Application
(1) Medical Protective Clothing: Helps develop and screen garments that minimize heat accumulation and wearer discomfort during extended use, reducing the risk of heat stress.
(2) Industrial and Fire Protection Clothing: Evaluates thermal insulation performance under high-temperature exposure, ensuring worker safety and compliance with fire protection standards.
(3) R&D and Material Testing: Supports development of new thermal protective materials and verification of multi-layer protective ensembles.
(4) Quality Control: Confirms consistency of thermal resistance across production batches.
Standards
AQ 6103: Protective Clothing Contact Heat Test (China)
EN 702: Protective Clothing Thermal Insulation (Europe)
EN 407 / EN 12477: Protective Gloves Heat Resistance (Europe)
ISO 12127 / ISO 11612: Heat Transmission & Protective Clothing (International)
GB 38453 / GB/T 38306: Protective Clothing Thermal Properties (China)
ISO 11092: Textile Thermal & Water-Vapor Resistance
ASTM D1518-17 / ASTM F1868: Thermal Resistance of Batting Systems & Clothing Materials
ISO 5085-1 / ISO 9920: Ergonomics & Thermal Insulation Evaluation
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