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Questions and Answers for REED Instruments Pinless Moisture Meter

  • Pinless design prevents surface damage
  • Measure moisture in wood and drywall easily
  • Adjustable alarm alerts to moisture levels

Questions & Answers

For plaster on wood lath, what will the device measure - moisture in the plaster or the wood, or in between? What numerical value indicates an acceptably dry condition? Does metal lath between wood lath and plaster affect the measurement? Thanks!
ByMar 1, 2026
1 Answer | 
Answer This Question

Hello, this device will measure moisture between 0.8 to 1.6" in depth. Depending on the thickness of the plaster and wood, the Moisture Meter could measure a single material or both. The device will display relative moisture readings between 0 and 100%. The "RISK" alarm will go off at 30% by default, and the "WET" alarm will go off at 60% by default (though these alarms are user adjustable). The presence of metal could interfere with the Moisture Meter's electromagnetic sensor and provide unreliable measurements.

By|Mar 2, 2026


    will this device detect moisture in under vinyl flooring?
    ByMar 20, 2025
    1 Answer | 
    Answer This Question

    This device can detect the moisture of gypsum/cement/wood between 0.8" to 1.6" of depth, regardless if there is vinyl flooring in the way. If you have any further questions, feel free to email us: info@reedinstruments.com

    By|Apr 6, 2025

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