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Guarded Heat Flow Meter GHFM-01
The GHFM-01 Guarded Heat Flow Meter is designed to test the thermal resistance and thermal conductivity of both homogeneous and heterogeneous materials such as metals, polymers, composites and pastes from -20 °C to 310 °C. The proprietary testing stack replaces the traditional pneumatic movement with advanced motor control allowing automated control of testing sample thickness, force or pressure applied. The sample is subjected to a steady-state through-thickness temperature gradient and the thermal conductivity is obtained by measuring the temperature difference across it and one additional reference temperature.
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- Full computer control of GHFM-01; mean temperature, sample thickness, force or pressure applied.
- Programmable mean temperatures from -20 °C to 300 °C.
- Multiple high resolution (0.01 °C) thermocouples for accurate measurement of thermal resistance and thermal conductivity.
- Thickness is measured to an accuracy of 0.0254 mm with use of a digital optical encoder.
- Integrated force sensor with feedback loop for controlling stepper motor.
- High performance stepper motor enables plate clamping to be automated or set to a user defined thickness – ideal for compressible materials.
- Flux modules are easily changed, with no tools needed.
- Follows international standard; ASTM E1530-19.