Extech MO257 Pinless Moisture Meter


Non-invasive measurement monitors moisture in wood and other building materials with virtually no surface damage

1000 in stock


  • Relative pinless moisture reading for non-invasive measurement from 0.0 to 100.0 with 0.1 resolution
  • Multifunction backlit triple LCD display
  • Pinless measurement depth from 0.78″ (20mm) to 1.6″ (40mm) below the surface
  • High frequency sensing technology
  • Automatic Data Hold
  • Two adjustable alarm levels with audible beeper and visual (flashing “RISK” or “WET”) indicators
  • Automatic calibration (in dry air) when meter is powered on
  • Low battery indication
  • Auto Power off
  • Dimensions: 9.25×2.5×1.1″ (235x63x28mm) Weight: 7.7oz (218g)
  • Complete with 3 AA batteries and pouch case

Measures relative moisture of various building materials including wood, particle board, carpeting, and ceiling tiles using non-invasive Pinless Technology.

Additional information

Weight 3 lbs
Manufacturer Warranty

Mfr. Model #

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SKU: MS-EXMO257 Category:


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