Mold Inspection Consulting and Remediation Organization
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Extech MO257 Pinless Moisture Meter

The MO257 Pinless Moisture Meter is for non-invasive measurements in wood and other building materials with virtually no surface damage.

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Extech MO257 Pinless Moisture Meter
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  • Extech MO257 Pinless Moisture Meter

The MO257 Pinless Moisture Meter is for non-invasive measurements in wood and other building materials with virtually no surface damage. Measurement depth from 0.78 in. (20mm) to 1.6 in. (40mm) below the surface. Two user-settable alarm levels with audible beeper and visual flashing RISK or WET indicators. Triple backlit LCD. 

Features:

  • 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
  • Complete with 3 AA batteries and pouch case
SpecificationsRangeAccuracy
Moisture Range0.0 to 100.0Relative only
Measurement Depth20 to 40mm (0.79 to 1.57")
Display typeBacklit LCD
Display digitsThree (3) numeric displays; each displaying from 0.0 to 100.0
Display iconsHOLD, DRY, RISK, WET, MIN, MAX and low battery icon
Operating Temperature4 to 43°C (40 to 110°F)
Operating Humidity90%, 0-30°C (32-86°F), 75%, 30-40°C (86-104°F), 45%, 40-50°C (104-122°F)
Power SupplyThree (3) 1.5V 'AAA' batteries
Auto Power Off (APO)After 30 minutes of inactivity
Dimensions235 x 63 x 28mm (9.2 x 2.5 x 1.1")
Weight218g (7.7oz)