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HF05 heat flux sensor

Industrial heat flux sensor

HF05 measures heat flux and surface temperature in industrial environments. The sensor has a fully sealed stainless steel body and a PTFE cable. It can withstand relatively extreme environmental conditions.

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HF05 industrial heat flux sensor

HF05 measures heat flux through the object on which it is mounted, in W/m², as well as its surface temperature in °C. The sensors in HF05 are a thermopile and a type K thermocouple. A thermopile and a thermocouple are passive sensors; they do not require power. The sensors inside HF05 are protected by a fully sealed stainless steel body.

Typical applications of HF05 are studies of fouling in industrial environments mounted on tubing or on the jacket of reactors. HF05 is also used for performance evaluation of industrial insulation. Using HF05 is easy. It can be connected directly to commonly used data logging systems. The heat flux in W/m² is calculated by dividing the HF05 output, a small voltage, by the sensitivity. The sensitivity is provided with HF05 on its product certificate.


Measurand heat flux
Measurement range -6000 to 6000 W/m²
Sensitivity (nominal) 15 x 10⁻⁶ V/(W/m²)
Heat flux sensor thermopile
Temperature sensor thermocouple type K
Uncertainty of heat flux calibration ± 10 % (k= 2)
Calibration traceability to SI units
Recommended number of sensors 2 per measurement location
IP protection class IP67
Rated operating temperature range -30 to +170 °C
Standard cable length 3 m
Order code HF05 / cable length in m
  • longer cable (specify total cable length in m)
  • connector at HF05 cable end
  • EC type examination certificate (ATEX) II 2G Ex db IIC T6
  • extension cable with 2 connectors matching cable connector and chassis connector (specify cable length in m)
  • chassis connector with internal wiring (colour code of wiring identical to cable colour code)


Suggested use

  • industrial heat flux measurements
  • performance evaluation of industrial insulation
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