The HFM 510AE Heat Flow Meter Thermal Conductivity Tester complies with GB/T 10295-2008, ASTM C518, and ISO 8301. It features high accuracy, high efficiency, and good repeatability, enabling thermal conductivity testing of a wide range of low-thermal-conductivity materials, including expanded polystyrene (EPS), extruded polystyrene (XPS), rigid PU foam, mineral wool, expanded perlite, foam glass, natural fiber materials, cork, wool, aerogel, concrete, gypsum, and more.
Thermal conductivity
Thermal insulation materials | Insulation materials
Features
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Highly automated operation with automatic hot-plate lifting, automatic load application, automatic thickness measurement, automatic temperature control, and automatic furnace door lifting.
Fast and efficient testing with dual heat-flow sensors to improve accuracy; independent temperature control for upper and lower plates.
External oil-bath cooling combined with nitrogen purge for sample drying, reducing environmental dependence and providing a wide temperature range with high stability.
Adaptive measurement for non-flat surface samples; particle sample molding tools are provided, requiring minimal sample preparation.
Software supports thermal conductivity extension accessory mode and offline operation, ensuring flexible experimental workflows.
Fully automatic data acquisition with real-time data monitoring and display, and automatic generation of test reports.
Optional user login with historical record query, supporting customized data storage and export.
High peripheral expandability with a built-in industrial computer, eliminating the need for an external PC; supports connection of mouse, keyboard, printer, and other peripherals.
Excellent industrial design featuring a high-resolution touchscreen, intelligent human–machine interface, and a clean, professional appearance.
| Operating Environment | 5–40°C, <95% RH |
| Plate Temperature Range | −20–100°C |
| Measurable Sample Size | 300 mm × 300 mm (L × W), thickness 5–100 mm |
| Thermal Resistance Range | 0.1–8 m²·K/W |
| Thermal Conductivity Measurement Range | 0.002–1 W/(m·K), expandable to 1–2 W/(m·K) |
| Sample Test Accuracy | ±2% |
| Sample Test Repeatability | 0.5% |
| Maximum Adjustable Contact Load | 1900 N |
| Adjustable Contact Load Accuracy | 10 N (20–200 N), ±5% (200–1900 N) |
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Product Operation
HFM 510AE
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ASTM C518-17: Standard Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter Apparatus
ISO 8301:1991: Thermal insulation — Determination of steady-state thermal resistance and related properties — Heat flow meter apparatus
JIS A 1412-2:1999: Test method for thermal resistance and related properties of thermal insulations — Part 2: Heat flow meter apparatus
Complies with the above standards and their equivalent national or industry standards.
