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Your location: Home > Related Articles > Working Principle of Dual Plate Thermal Conductivity Tester

Working Principle of Dual Plate Thermal Conductivity Tester

Author:QINSUN Released in:2023-08 Click:104

The double plate thermal conductivity tester mainly tests homogeneous plate materials such as plastic, rubber, glass, fiber, benzene board, extruded board, aerated concrete, hollow glass, wood panel and various insulation materials. The thermal conductivity of various materials such as granular materials, bulk materials and soft materials is a test equipment independently developed and produced by our company Qisnun Precision Electromechanical Technology Co., Ltd., which is a cost-effective after-sales service and complete.

Applicable standards:

GB/T 10294-2008, GB/T 3399-1982, GB/T 10801.1-2002, GB/T 3139-2005, GB/T 17794- 2008

Working principle:

1. Adopt double test piece measuring device, protect the group from heating plates: including heating unit, cooling unit.

2. The heating unitfage is divided into a measuring unit in the center and a protective unit surrounding the measuring unit separated by a gap, and is equipped with a heat insulation device.

3. The heating unit is arranged symmetrically with the double heating surface heating plate and the double heating surface. Adjust the space to move the cold plate according to the thickness of the specimen. In a flat plate at constant temperature, in steady state, the central measuring part of the specimen has a constant heat flux, by measuring the one-dimensional constant heat flux Q passing through the doser in steady state, the area A of the doser , and the temperature of the cold and hot surfaces of the specimen The difference △T is used to calculate the thermal resistance R of the specimen, and depending on the thickness of the specimen, the value of the thermal conductivity The INT of the specimen can be calculated with precision.

As a companyise integrating R&D, manufacturing, sales, training and service, Shanghai Fanbiao Textile Testing Technology Co., Ltd. is committed to providing more test instruments in the market, providing long-term textile, leather, combustion test instruments, automotive interior materials, environmental weather aging, masks and protective clothing. protection, etc., can also accept non-standard customization. Before purchase, we can carry out targeted tests according to customer requirements to ensure that the instruments purchased are suitable.