Does the Rapid RH Reader ever need calibration?

Accurate RH results depend on a properly calibrated sensor, which raises a question customers ask often: does the Rapid RH Reader itself need calibration? Jason Spangler, Vice President of Sales for Wagner Meters, explains how the Reader works and what that means for calibration.

Also see Rapid RH common questions, part 1, which covers reader calibration along with sensor reuse and documentation.

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