Do you have a question about the Extech Instruments MO55 and is the answer not in the manual?
Identifies and describes the physical parts of the meter.
Details the icons and readings shown on the LCD display.
Outlines the functions of each button on the meter.
Step-by-step guide on how to use the moisture meter for various measurements.
Explains the automatic power-off feature to conserve battery life.
Instructions for replacing the meter's 9V battery.
Guidelines for proper storage, cleaning, and maintenance of the instrument.
| measurement depth pinless mode | < 25mm (1 in.) |
|---|---|
| measurement ranges pin mode | 5.0~50.0% (wood), 1.4~33.0% (building materials) |
| measurement ranges pinless mode | 0.0~99.9% (for wood and building materials) |
| resolution | 0.1% |
| accuracy pin mode | ± (3% + 5 digits) for ambient conditions 22°C to 25°C (72°F to 77°F) |
| power supply | One (1) 9V Battery |
|---|---|
| auto power off | After approx. two (2) minutes |
| consumption | < 40mA |
| operating conditions | 5~45°C (41~113°F); 80%RH max. |
|---|---|
| storage conditions | 0~50°C (32~122°F); 85%RH max. |
| low battery indication | Battery status icon appears empty or flashing |
| dimensions | 170 x 65 x 30mm (6.7 x 2.6 x 1.2") |
|---|---|
| weight | 120g (4.2 oz.) without battery |











