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Micro Store -> Inspection Tools & Equipment -> Tramex Meter Accessories -> Tramex MRH III Moisture Meter

Tramex MRH III Moisture Meter

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The Moisture and Relative Humidity MRH III is a hand-held digital moisture meter calibrated for most building materials. It also incorporates optional plug-in relative humidity probe and heavy-duty pin type electrodes. Suitable for many industries including Water Damage, Restoration, Flooring, Indoor Air Quality, Home Inspection and Pest Control.


  • Digital, non-destructive moisture meter.
  • Optional plug in wood probe.
  • Optional plug in relative humidity probe for relative humidity, temperature, dew point and mixing ratio readings.
  • Deep signal penetration to over 1" into the materials being tested without the need to damage the surface. Signal penetration depends on material being tested and meter setting.
  • Specific gravity adjustment for most wood species.
  • External Rubber electrodes make direct contact with the material being tested for best sensitivity and repeatability.
  • Wide range of readings for wood of 5% to 30% and 0 to 100 comparative for all other materials.
  • Backlit, large, clear, easy to read LCD display.
  • “Hold” function enables user to "freeze" the reading. Useful for taking readings when the meter face is not visible.
  • Switchable "On" or "Off" audio warning tone.
  • Automatic power cutoff switches "Off" when not in use.
  • Automatic default to last user setting when switched back on.
  • Battery operated (included).


  • All Tramex products carry a full satisfaction guarantee including a one year warranty against defects in parts & workmanship and a refund if the unit is returned, shipping pre-paid, in new condition within 21 days of original delivery. Proof of purchase is necessary.

(See Tramex Accessories for optional items.)

Available Options/Accessories

MRH III Moisture Meter
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RHP Relative Humidity Probe - Grey Cable $149.95
Members: $145.46
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RHP-B Relative Humidity Probe - Black Cable $149.95
Members: $145.46
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CALBOXMRH Calibration Check Box $74.00
Members: $74.00
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HH14TP30 Heavy Duty Pin-Type Wood Probe with Cable and Pins $94.00
Members: $91.18
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HH14SP200 Heavy Duty Electrode with Cable and 7" Pins $128.00
Members: $124.16
Add To Cart

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Calibration Check Box

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Relative Humidity Probe