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TEG Tester – Thermoelectric Generator & Peltier-Element Tester

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The Linseis TEG Tester is a measurement system for temperature dependent conversion efficiency evaluations for thermoelectric generators (TEGs). Due to the temperature setting point, a gradient is applied across the thermoelectric device and the heat flow through the reference block into and out of the TEG is measured.

The generated voltage and current is scanned on different points, in less than 10 msec, to get the I-V curves or operate the TEG under a dynamic load. Hence it is possible to calculate the efficiency and track the maximum power point using the perturb and observe method.

 

Applications:
  • Performance testing of thermoelectric modules
  • Evaluation of maximum power generation and conversion efficiency
  • Long-term lifespan testing under load and thermal cycling
Features:
  • Automatic mechanical load with pressure compensation
  • Different modes of operation (CC, CV, FOC, MPPT, P&O)

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Chris Bradburn

Chris

Technical specification

Specifications

 

Sample size: 40 mm x 40 mm (other on request)
Sample thickness: up to 30 mm
Thickness accuracy: +/- 0.10 % at 50% stroke
+/- 0.25 % at 100% stroke
Tempe range: RT up to 300°C
-20°C up to 300°C
Temperature accuracy: 0.1°C
Voltage range: 0-60 V (DC)
Voltage accuracy: 0.3 %
Voltage resolution: 2.4 µV
Current range: 0-25 A (DC)
Current accuracy: 0.3 %
Current resolution: 1 µA
Power Dissipation: up to 250 W
Evaluation: Heat flow
Average Seebeck coefficient
Average thermal conductivity
Average module resistance
Power output
Module conversion efficiency
Contact pressure range: 0 up to 8 MPa (depending on sample size)
Contact pressure accuracy: +/- 1%
Dimensions: 675 mm H x 550mm W x 680 mm D
Cooling system: external chiller (in combination with a additional heater)
Heating system: Resistance heater

 

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