HF01

High temperature heat flux sensor

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HF01 high temperature heat flux sensor measures heat flux and surface temperature at high temperatures, typically in industrial environments. It is particularly suitable for trend-monitoring and comparative testing. The same technology can be used to manufacture heat flux sensors for different applications.

Introduction

temperature of industrial furnaces, boilers, fluidised beds, distillation columns and ovens. The sensors inside HF01, a thermopile and a thermocouple, are protected by fully sealed stainless steel body. It is suitable for long term use at one location as well as repeated installation when a measuring system is used at multiple locations. HF01 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 HF01 are a thermopile and a type K thermocouple. The thermopile measures the local heat flux. The thermocouple measures the absolute temperature of the surface on which HF01 is mounted, as well as the approximate sensor body temperature. A thermopile and a thermocouple are passive sensors; they do not require power. The part of the cabling closest to the sensor is a special high-temperature metal sheathed cable with an interlocked spiral stainless steel armour. The sensor as well as the high temperature cable and armour withstand temperatures up to 800 °C. The temperature range is reduced to 600 °C in case the black coating is used, to 550 °C in case the frame with magnets is used.

Using HF01 is easy. It can be connected directly to commonly used data logging systems. The heat flux, in W/m2, is calculated by dividing the HF01 output, a small voltage, by the sensitivity and by applying a linear correction based on the temperature measurement. The sensitivity and temperature dependence are provided with HF01 on its product certificate. Equipped with heavy duty cabling, and having a fully stainless steel casing so that moisture does not penetrate the sensor, HF01 has proven to be very reliable. It survives long-term outdoor installation and repeated installation using the frame with magnets.

Click on drawing in Gallery or download the brochure for dimensions of model HF01 with optional frame with magnets. Dimensions are in x 10-3 m.

Suggested use

trend-monitoring and comparative measurement of heat flux and surface temperature in industrial installations

HF01 advantages

  • robust
  • suitable for use at high temperatures
  • low thermal resistance
  • high sensitivity
  • IP protection class: IP68

Options

  • see brochure

See also

  • ALUSYS measuring system
  • HF05 industrial heat flux sensor for lower temperatures up to 170 °C
  • needle type heat flux sensors NF01 and NF02

 

Similar products

HF02

Flare radiation monitor / heat flux sensor

HF03-LI19

Portable heat flux sensor, with read-out unit / datalogger

HF05

Industrial heat flux sensor

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