If a site is located in a fairly arid location, yet the RH reading from the CS215-L is 100%, what might cause this erroneous reading?

Relative humidity (RH) from the probe is capped at 100%. If readings of 100% occur during drier conditions, it is possible that the chip, the entire sensor, or both have associated issues. Repair, maintenance, or replacement is likely needed. Contact Campbell Scientific for assistance.

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