Heat Flux Sensor

  • Linear Output
  • Accurate, Rugged, Reliable
  • Measure Total Heat Flux and Radiant Heat Flux
  • Sensors are used in many applications like in ground and flight aerospace testing, Fire testing, heat flux standards for flammability testing
In stock

Part Code: HFS



A heat flux sensor is a transducer that generates an electrical signal proportional to the total heat rate applied to the surface of the sensor. The measured heat rate is divided by the surface area of the sensor to determine the heat flux. careful design, rugged quality construction and versatile mounting configurations. Each transducer will provide a self-generated 10-millivolts (nominal) output at the design heat flux level. Heat Flux gauge absorbs heat in a thin metallic circular foil and transfer the heat radially (parallel to the absorbing surface) to the heat sink welded around the periphery of the foil.The emf output is generated by a single differential thermocouple between the foil center temperature and foil edge temperature.


Parameters Cooled Uncooled
Heat Flux (maximum) 10, 30 W/cm² 10, 30 W/cm²
Sensor Output Linear output, 10mv nominal at the full range Linear output, 10mv nominal at the full range 
Over Range 25% of Rated Heat Flux 25% of Rated Heat Flux
Mounting ±5% or Better ±5% or Better
Repeatability 1% 1%
Measurement Duration 60s for 10 W/cm² 60s for 10 W/cm²
Sensor Differential Thermocouple Differential Thermocouple
Dimension Diameter 25mm, Length 25mm Diameter 25mm, Length 25mm

Key Features

  • Linear Output
  • Output Proportional to Heat Transfer Rate.
  • Accurate, Rugged, Reliable.
  • Convenient Mounting
  • Measure Total Heat Flux and Radiant Heat Flux


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