MRH III - Moisture and Humidity Meter View larger

MRH III - Moisture and Humidity Meter

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The MRH III  is a hand-held digital moisture meter calibrated for most building materials. EnviroMed provides only certified, tested and fully warrantied instruments. Call us for pricing at (709) 368 9000 or via e-mail at

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It also incorporates optional plug-in heavy-duty pin-type wood probes and Hygro-i ® probes for measurement of relative humidity and ambient conditions and allowing for testing of concrete per ASTM F2170 or BS 8201. The MRH III operates on the principal of non-destructive impedance measurement.  


Penetration up to 1¼" in wood and drywall in non-destructive mode
Audio signal sounds when meter indicates high readings
Accuracy in very low moisture content readings and up to 55% moisture content readings in wood in non-invasive mode
Adjustment of specific gravity for wood species correction
Large clear backlit digital display giving meaningful readings
Hold function “freezes” meter reading when inspecting areas where the meter face is not visible
Automatic power cutoff switches "Off" when not in use
Backlit, large, clear, easy to read LCD display
Hygro-i ® probe attachment (optional) for relative humidity and temperature measurement