Campbell Scientific HFP01SC Hukseflux Self-Calibrating Soil Heat Flux Plate - Manual (Page 30)

Model HFP01SC Self-Calibrating Soil Heat Flux Plate
TABLE 6-8. Hukseflux and Campbell Scientific
Variable Names
Description Hukseflux
Campbell
Scientific
Soil Heat Flux ϕ shf
Output of Sensor in mV V
sen
shf_mV
1/Sensitivity 1/E
sen2
cal
Output of Sensor during
calibration at t=0 seconds
V (0) mV_0
Output of Sensor during
calibration at t=180 seconds
V (180) mV_180
Output of Sensor after
calibration and just before
output
V (360) mV_end
Voltage Across fixed
10 Ω resistor
V
cur
V_Rf
7. Maintenance
The HFP01SC requires minimal maintenance. Check the sensor leads monthly
for rodent damage.
8. References
Hanks, R. J., and G. L. Ashcroft, 1980: Applied Soil Physics: Soil Water and
Temperature Application. Springer-Verlag, 159 pp.
Klute, A., 1986: Method of Soil Analysis. No. 9, Part 1, Sections 13 and 21,
American Society of Agronomy, Inc., Soil Science Society of America,
Inc.
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