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HFP03 sensor

Updated:2023-01-14

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  • Brand: Hukseflux
  • Model: HFP03
  • Description: HFP03 is an ultra sensitive sensor for measurement of small heat fluxes in the soil as well as through walls and building envelopes. The total thermal resistance is kept small by using a ceramics-plas
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Product Details

Overview of HFP03 sensors:

User Manual Instructions

Ultra sensitive sensor for measurement of small heat fluxes

HFP03 measures heat flux through the object in which it is incorporated or on which it is mounted, in W/m². HFP03 is specifically suitable for measurement of small flux levels, in the order of less than 1 W/m², for instance in geothermal applications. The sensor in HFP03 is a thermopile. This thermopile measures the temperature difference across the ceramics-plastic composite body of HFP03. A thermopile is a passive sensor; it does not require power. Using HFP03 is easy. It can be connected directly to commonly used data logging systems. The heat flux in W/m² is calculated by dividing the HFP03 output, a small voltage, by the sensitivity. The sensitivity is provided with HFP03 on its calibration certificate.


HFP03 sensor recommended:

1、Extremely small heat fluxes

2、Geothermal heat flux

HFP03 sensor applications:

1、Building physics / insulation, thermal comfort and energy budget measurement

2、Meteorology / surface energy flux measurement

3、Scientific research / heat and heat transfer measurement

HFP03 sensor specifications:

Measurand heat flux
Measurement range -2000 to +2000 W/m²
Sensitivity (nominal) 500 x 10⁻⁶ V/(W/m²)
Sensing area 64 x 10⁻⁴ m²
Sensor thermal resistance 71 x 10⁻⁴ K/(W/m²)
Sensor thickness 5.4 x 10⁻³ m
Sensor resistance range 10 to 32 Ω
Uncertainty of calibration ± 6 % (k = 2)
Rated operating temperature range -30 to +70 °C
Cable diameter 4 x 10⁻³ m
IP protection class IP67
Standard cable length 5 m
Options ・Longer cable, in multiples of 5 m, cable lengths above 20 m in multiples of 10

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