MO250 Datasheet, PDF (2/6 Pages) Extech Instruments Corporation. – Moisture Meter

Introduction
Congratulations on your purchase of the Extech MO250 Moisture Meter. The MO250
detects moisture in wood and other building materials such as brick, wall board, sheet
rock, cardboard, paper, plaster, concrete, and mortar. This meter is shipped fully tested
and calibrated and, with proper use, will provide years of reliable service.
Features
• Designed to check the moisture level of wood, concrete, and other non-wood material
• Measures from 6% to 40% moisture in wood
• Measures 13% to 100% relative moisture for concrete and other non-wood material
• Measurements are shown on Red LED bargraph indicator and LCD digital display
• Optional external moisture sensor probe (MO252) for remote moisture measurements
• Microprocessor provides high accuracy and advanced features such as MAX / MIN
• Data Hold feature freezes displayed reading
• Heavy duty construction and compact housing enhance portability and durability
• Low battery indicator alerts user when battery needs replacing
Description
Meter Description
1. External probe input
2. Measurement electrode pins
3. LCD display
4. POWER key
5. HOLD key
6. REC MAX/MIN key
7. MATERIAL key
8. LED bargraph
9. External probe plug
10. External probe (Optional)
Notes:
• External probe is optional (use part number MO252 to order probe)
• Battery compartment, tilt stand, and tripod mount are located on the rear of the
instrument
• Electrode pin protective cover not shown
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MO250 V2.1 6/06