Clean/inspect temp/RH sensor and radiation shield (recommended – quarterly)
Date
OK/comments
Replace wind speed bearings and reed switch (recommend – yearly)
Date
OK/comments
Replace RH chip in the HMP60-ETS temp/RH sensor (recommended – yearly)
Date
OK/comments
Replace desiccant bags (qty 2) inside enclosure (recommended – yearly)
Date
OK/comments
Calibrate solar radiation sensor (CS305-ET) (recommended – every 3 years)
Date
OK/comments
Appendix B. T107 maintenance log
82