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Heat flux plate/sensor
HFP01
HFP01 is the world’s most popular sensor for heat flux measurement
in the soil as well as through walls and building envelopes. By
using a ceramics-plastic composite body the total thermal resistance
is kept small.
HFP01 serves to measure the heat that flows through the object
in which it is incorporated or on which it is mounted. The actual
sensor in HFP01 is a thermopile. This thermopile measures the differential
temperature across the ceramics-plastic composite body of HFP01.
Working completely passive, HFP01 generates a small output voltage
proportional to the local heat flux. |
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Specifications
| heat flux sensor specifications: |
| Nominal Sensitivity |
50 μV/Wm2 |
| Nominal Resistance |
2 W |
| Temperature range |
-30 - +70 °C |
| Sensor thermal resistance |
< 6.25 10-3 km2/W |
| Range |
-2000 - +2000 W/m2 |
| Calibration trace ability |
NPL, ISO 8302 / ASTM C177 |
| Expected typical accuracy (12 hr totals) |
within +5%/-15% in most common soil, within +5%/-5% on walls |
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