HF-30S Heat flux sensor

  • Thinnest heatflux sensor on the market
  • Large area sensor
  • Low thermal resistance
  • Weather proof
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The HF-30S is a large area (300 x 300mm) fthin foil heat flow sensor. Due to its large sizes it gives properly averaged thermal conductivity results for large areas without the potential risk of measuring local hot spot effects or thermal bridges.    

The low output Voltage of the heat flow sensor can be easily converted to a 4-20mA current or higher Voltage using the MS-4..20mA converter. The mV/mA converter can be pre-programmed and optimized within the operating range compatible with common measurement equipment.     


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  Specifications HF-30S
Response time 95% 28 Sec.
Sensitivity Approx. 100 µV/W/m²
Thermal resistance Approx. 0.0016 °C/(W/m2)
Impedance 400 - 800 Ω
  Operating temperature range -30 - 120 °C
  Cable length 10 m
  Dimensions mm 300 (L) x 300 (W) x 0.5 (H)
Weight 0.12 kg
  Ingress protection IP -
  Substrate Glass epoxy
  Cladding Epoxy

Applications and uses

Understanding of heat flow and thermal losses is inevitable during building design and engineering of energy-efficient floor heating systems. Thermal conductivity can be improved when for multilayer constructions materials are optimized. 

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The effective measurement of heat flow through exterior walls is crucial to understanding the energy consumption and efficiency of any building. Environmental conditions determined by location, design, structural conditions, and …

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