Predict RH Readings Quickly & Accurately: Temperature Correction Table

Product Update: The Rapid RH® 4.0 shown in this video has been replaced by the Rapid RH L6.

ASTM F2170 requires RH to be measured at service conditions, but you often need an estimate before the building is at those conditions. Jason Spangler, Vice President of Sales for Wagner Meters, demonstrates a Wagner tool built for that situation.

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Last updated on August 18th, 2026

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