Calibration
A humidity calibration adjustment is located in the battery compartment.
1. Remove the battery door and move the battery to one side.
2. Place the humidity probe in a humidity chamber or humidity
calibration bottle and wait 20 minutes
3. Turn the meter on and turn the adjustment until the humidity reading
on the display agrees with the calibration source.
Cal
Adjust
Battery
Compartment
Calibration and Repair Services
Extech offers repair and calibration services for the products we sell. Extech also provides
NIST certification for most products. Call the Customer Service Department for information
on calibration services available for this product. Extech recommends that annual
calibrations be performed to verify meter performance and accuracy.
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RH101 V2.1 8/07
EXTECH [ EXTECH INSTRUMENTS CORPORATION. ]
