Campbell HFP01SC Manuel d'utilisateur télécharger pdf (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

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

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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Campbell HFP01SC Manuel d'utilisateur Page 30