Extech MO257: Pinless Moisture Meter
Non-invasive moisture content measurements in wood/building materials
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. 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
- 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
Specifications |
Range |
Accuracy |
Moisture Range |
0.0 to 100.0 |
Relative only |
Measurement Depth |
20 to 40mm (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 |
4 to 43°C (40 to 110°F) |
Operating Humidity |
90%, 0-30°C (32-86°F), 75%, 30-40°C (86-104°F), 45%, 40-50°C (104-122°F) |
Power Supply |
Three (3) 1.5V 'AAA' batteries |
Auto Power Off (APO) |
After 30 minutes of inactivity |
Dimensions |
235 x 63 x 28mm (9.2 x 2.5 x 1.1") |
Weight |
218g (7.7oz) |