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HF-10S Heat flux sensor

The HF-10S measures heat flux through an object it is mounted to, in W/m2. The HF-10S features a very thin design and has a low thermal resistance. Heat flux sensors can be used in a variety of research applications and manufacturing control processes. EKO has various types of thin substrate heat flux sensors in the product line-up.

A heat flux sensor is a thermopile sensor which generates an electric signal proportional to the temperature difference (?T) across the thermocouple hot and cold junctions. To generate a measurable voltage, heat flux sensors have multiple thermocouples spread over the total area connected in series. EKO heat flux sensors are available in different sizes and thickness.


  • Thin heatflux sensor
  • Low thermal resistance
  • Small size
  • Weather proof
  • Calibration complies with JIS A 1412
Heat Flux Sensors


Specifications (Typical) HF-10S
Response time 95% 25 Sec.
Sensitivity Approx. 25 µV/W/m²
Thermal resistance Approx. 0.0016 °C/(W/m2)
Impedance 90 - 180 ?
Operating temperature range -30 - 120 °C
Cable length 10 m
Dimensions mm 100 (L) x 100 (W) x 0.5 (H)
Weight 0.04 kg
Ingress protection IP -
Substrate Glass epoxy
Cladding Epoxy

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