Campbell Scientific 083E Relative Humidity and Temperature Sensor - Manual (Page 19)

Model 083E Relative Humidity and Temperature Sensor
9. Maintenance and Troubleshooting
9.1 Maintenance Schedule
The 083E is designed to operate for an extended period with minimum
maintenance. However, it can be damaged by untrained personnel attempting
disassembly or calibration.
6 – 12 Month Intervals:
• Inspect the sensor for proper operation per Section 8.1, Sensor
Verification.
12 Month Interval:
• Return the sensor to Campbell Scientific for calibration and
replacement of the O-rings and the filter membrane.
10. References
AASC, 1985: The State Climatologist (1985) Publication of the American
Association of State Climatologists: Heights and Exposure Standards for
Sensors on Automated Weather Stations, v. 9, No. 4 October, 1985.
(
http://www.stateclimate.org/publications/state-climatologist/NOAA-
NCY-SCBOOKS-SC77097/00000029.pdf )
EPA, 2000: Meteorological Monitoring Guidance for Regulatory Modeling
Applications, EPA-454/R-99-005. Office of Air Quality Planning and
Standards, Research Triangle Park, North Carolina 27711
EPA, 2008: Quality Assurance Handbook for Air Pollution Measurement
Systems, Vol. IV, Meteorological Measurements, Ver. 2.0, EPA-454/B-
08-002 (revised 2008). Office of Air Quality Planning and Standards,
Research Triangle Park, NC 27711
Goff, J. A. and S. Gratch, 1946: Low-pressure properties of water from -160°
to 212°F, Trans. Amer. Soc. Heat. Vent. Eng., 51, 125-164.
Lowe, P. R., 1977: An approximating polynomial for the computation of
saturation vapor pressure, J. Appl. Meteor., 16, 100-103.
Meyer, S. J. and K. G. Hubbard, 1992: Nonfederal Automated Weather
Stations and Networks in the United States and Canada: A Preliminary
Survey, Bulletin Am. Meteor. Soc. 73, No. 4, 449-457.
Weiss, A., 1977: Algorithms for the calculation of moist air properties on a
hand calculator, Amer. Soc. Ag. Eng., 20, 1133-1136.
WMO, 2008. Guide to Meteorological Instruments and Methods of
Observation. World Meteorological Organization No. 8, 7 th edition,
Geneva, Switzerland.
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