The Extech MO230 Pocket Moisture Meter has a big dual graphical LCD that displays moisture in wood and other building materials, as well as air temperature and relative humidity. The analog bargraph shows moisture, minimum/maximum moisture readings, and a programmable wet/dry indicator. Apply to wood, paper, wallboard, sheetrock, cardboard, plaster, concrete, and mortar. The memory has three wood groups and four building material groups, each with calibrations for around 150 wood species and 19 building material types. The index mode provides programmed high and low values, allowing for rapid moisture detection through comparison measurement. Replaceable threaded electrode pins, impact-resistant casing, automatic power off to conserve battery life, built-in battery check, and measurement verification test. Comes with a protective lid, replacement pins, and three CR-2032 button batteries.
| Measurement Principle | Electrical resistance |
|---|---|
| Relative Humidity | 0 to 100% |
| Sensor Type | Replaceable threaded contact pins, 0.3" (8mm) |
| Temperature (Contact) | -40 to 158 °F (-40 to 70 °C) |
| WME Moisture Content (Pin) | Wood: 0 to 75%; Other building materials: 0.1 to 24% |
| Certifications | CE |
| Dimensions | 6.25 × 2.5 × 1.2" (159 × 63.5 × 30.5mm) |
| Power | 3 × CR-2032 (1.5V) button batteries |
| Warranty | 2 years |
| Weight | 3.5oz (100g) |
