ISO 8301, EN 12667 Thermal Conductivity Tester Of Heat Flow Meter 0.1 ~ 8.0 m2K/W

ISO 8301, EN 12667 Thermal Conductivity Tester of Heat Flow Meter 0.1 ~ 8.0 m2K/W

Description:

It is mainly used to test the thermal conductivity of insulation materials, glass, fiber, foam and so on. Testing materials include fiber board, loosing filler glass fiber, rock wool, foam plastic (XPS/EPS/PUR, etc.), inter-layer composite plate, vacuum plate, rubber products, cement(concrete) products, powder materials, filler materials, gypsum board and so on. DRH300 coefficient of thermal conductivity measurements conform to ASTM C 518, ISO8302, ISO 8301, JIS b 1412, DIN EN 12939, DIN EN 13163 with DIN EN 12667 and relevant international standards. It is in full compliance with the national thermal conductivity measurement standard with its stable and accurate temperature control technology, computer interface, software’s real-time monitoring and control, data processing and saving connecting. With these advantages, it is applied widely in materials properties detection organization, scientific research institution, quality detection department of factory, institutions of higher education teaching and research.

Standard:

ISO 8301 Thermal insulation -- Determination of steady-state thermal resistance and related properties -- Heat flow meter apparatus

GB/T 10295 Thermal insulation -- Determination of steady-state thermal resistance and related properties -- Heat flow meter apparatus

ASTM C518 Standard Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter Apparatus

EN 12667 Thermal performance of building materials and products - Determination of thermal resistance by means of guarded hot plate and heat flow meter methods - Products of high and medium thermal resistance;

Features:

1. It has fuzzy guarded plate that is hot plate temperature tracking and precision control technology

2. Self-calibration function of the thermal conductivity and heating power

3. Compensation for test piece’s thickness and the average temperature

4. WINDOWS automatic thermal analysis measuring software system, data analysis and reporting output function.

Specification:

Test Procedure:

This test uses a Heat Flow Meter Apparatus (HFM). The Heat Flow Meter consists of a cold plate and a hot plate that incorporate heat flux transducers for measuring heat flow. The material to be measured is placed between the two plates that are controlled to different temperatures to create a heat flow from hot to cold plate, which is measured by the transducers. The device is calibrated against materials of known thermal conductivity and can be used to measure flat materials in a wide range of thickness and conductivity. Tests are commonly performed with a mean temperature between 35ºF and 110ºF, with the most common being 75ºF. A temperature difference of 40ºF – 50ºF is commonly used.

End Result:

The thermal conductivity (k-Value) and thermal resistance (R-Value) are determined. These values can be used to determine energy losses through a material. This test can be used to satisfy R-Value regulations for insulation materials, such as the US Federal Trade Commission’s “R-Value Rule” (10 CFR 460).

Special Notes:

This method can often be used as an alternative to ASTM C177, which determines the same properties using a different device known as a Guarded Hot Plate Apparatus (GHP).

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