Low Temperature Thermal Expansion Tester (Coefficient of Thermal Expansion Tester)

 Medical Mask Respiratory Resistance Test, Pressure Resolution 0.1 Pa

Product introduction
This instrument is suitable for measuring the volume change (expansion and contraction) of metal materials, ceramics, glazes, refractory materials, plastics and other non-metallic materials from low temperature (-60°C) to 200°C with temperature changes.
Design standards

GB/T1036-2008 Determination of Plastic Linear Expansion Coefficient-Quartz Dilatometer Method
GB/T2572-2005 Fiber-reinforced plastics average linear expansion coefficient test method.

Technical parameters
1. Temperature range: -30~100ºC or -60~200ºC (two specifications are optional)
2. Measuring deformation range: ±2.5mm
3. The sensitivity of displacement sensor is 0.1um, and the range is automatically corrected
4. Temperature control accuracy: ±1ºC
5. The computer automatically calculates the expansion coefficient, body expansion, and linear expansion
6. Automatic calculation of compensation coefficient and automatic compensation, or manual correction
7. Sample size: Ф(6~10)×50mm, (6~10)×(6~10)×50mm, square and round samples are acceptable
8. Power supply: 220V, 2KW
9. Automatic temperature control, recording, storage, printing data, printing temperature-expansion coefficient curve. All test operations are completed by the computer interface, the operation is convenient and easy to learn, and a full set of software is provided
10. Refrigeration method: -30~100ºC specification adopts compressor for refrigeration

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