MO257 Extech moisture meter
Zoom image

Extech Pinless Moisture Meter - MO257

SKU# - EXMO257

A must have tool for analyzing the after-effects of water leakage behind walls and in ceilings and also measuring moisture content on a non-flat surface.

    • 7% less
    Market price: $259.99, you save $18.00
  • $241.99
In stock (2 items available)
Add a different product to compare

Extech Pinless Moisture Meter - MO257

The ball moisture sensor provides smooth gliding on hard or delicate surfaces. Easy-to-operate with automatic calibration of the meter when powered on. Large backlit triple LCD displays moisture reading and Max and Min readings. User can adjust two alarm levels where it will show visual alert with flashing “RISK” or “WET” indicators with beeper alert. Ideal for building restoration projects and applications where moisture detection on floors, tiles and under carpets is critical. 

Extech Pinless Moisture Meter 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" to 1.6" 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
Moisture Range
0.0 to 100.0
Relative only
Measurement Depth
0.79 to 1.57"
Display type
Backlit LCD
Display digits
Three (3) numeric displays; each displaying from 0.0 to 100.0
Display icons
HOLD, DRY, RISK, WET, MIN, MAX and low battery icon
Operating Temperature
40 to 110°F
Operating Humidity
32-86°F, 75%, 86-104°F, 45%, 104-122°F
Power Supply
Three (3) 1.5V 'AAA' batteries
Auto Power Off (APO)
After 30 minutes of inactivity
9.2 x 2.5 x 1.1"
    • Weight
      2 lbs
    • SKU
  • Measurement Range
    0 to 100
  • Display
    Backlit LCD
  • Auto Power OFF
    After 30 minutes
  • Sensor Type
  • Resolution
  • Operating Temperature
    40 to 110°F
  • Measurement Depth
    .79 to 1.57 in.
  • SKU
  • GTIN
  • Manufacturer
    Extech Instruments
  • Dimensions
    9.2 x 2.5 x 1.1 in
  • Product Weight
  • Power Source
    AAA batteries
  • Warranty
    One year warranty

Product questions

No questions yet. Be the first to ask the question!