Extech Mo220: Everything You Need To Know – Specifications, Comparisons, Manuals, And Troubleshooting

Extech MO220 Information

The Extech MO220 Wood Moisture Meter is a professional-grade tool designed to measure the moisture content of wood and other building materials. It features a large LCD display with a backlight for easy reading in dark or low-light conditions, and it can measure moisture levels from 6% to 44%. The MO220 also has a built-in temperature probe, so you can take accurate readings even in cold or hot environments.

Here is an overview of the Extech MO220 Wood Moisture Meter:

  • Measures moisture content in wood and other building materials from 6% to 44%
  • Large LCD display with backlight
  • Built-in temperature probe
  • Eight wood groups with calibrations for approximately 170 species of wood
  • Auto power off with adjustable timer
  • Replaceable measurement electrode pins
  • Low battery indicator
  • Includes protective cover, temperature probe, remote hand-press probe, spare pins, two AAA batteries, and soft case

Image of Extech MO220 Wood Moisture Meter

Specifications

FeatureSpec
Moisture range6% to 44%
Accuracy±1%
Resolution0.1%
Temperature range32° to 122°F (0° to 50°C)
Accuracy±2°F (±1°C)
Resolution1°F (0.5°C)
Wood groups8 with calibrations for approximately 170 species of wood
Auto power off1 to 9 minutes
Battery lifeUp to 400 hours
Dimensions5.5 x 2.5 x 1.2 inches
Weight4.2 ounces

Features

  • The MO220 has a large LCD display with a backlight for easy reading in dark or low-light conditions.
  • The built-in temperature probe allows you to take accurate readings even in cold or hot environments.
  • The MO220 has eight wood groups with calibrations for approximately 170 species of wood.
  • The meter can display automatic temperature-compensated readings when the included temperature probe is used.
  • There is a built-in calibration check to ensure the accuracy of your readings.
  • The measurement electrode pins are replaceable, so you can keep your meter in good working condition for years to come.
  • The MO220 has an auto power off function to save battery life.
  • The meter also has a low battery indicator so you know when it's time to replace the batteries.

What's in the box

  • Extech MO220 Wood Moisture Meter
  • Protective cover
  • Temperature probe
  • Remote hand-press probe
  • Spare pins
  • Two AAA batteries
  • Soft case

The Extech MO220 Wood Moisture Meter is a versatile and accurate tool that can be used by professionals and DIYers alike. It's a great choice for anyone who needs to measure the moisture content of wood and other building materials.

Extech MO220 Compare with Similar Item

a table comparing the Extech MO220 to some similar moisture meters:

FeatureExtech MO220Extech MO257Extech MO750
MaterialWoodWood, concrete, drywall, masonrySoil
Measurement methodPinPinlessPin
Measuring range6-44%0-100%0-50%
Accuracy±1%±2%±2%
Depth of measurement0.75"1.6"8"
Features8 wood species groups, temperature compensation, auto power off, low battery indicatorNon-destructive moisture measurement, audible alarmsMin/max readings, freeze data, 8" heavy duty probe
Price$324$249$99

As you can see, the Extech MO220 is specifically designed for measuring moisture in wood, while the Extech MO257 can measure moisture in a wider variety of materials. The Extech MO750 is designed for measuring moisture in soil.

The Extech MO220 uses pin probes to measure moisture, while the Extech MO257 and MO750 use non-destructive methods. This means that the MO220 can damage the material you are measuring, while the MO257 and MO750 will not.

The Extech MO220 has an accuracy of ±1%, while the Extech MO257 and MO750 have an accuracy of ±2%.

The Extech MO220 can measure moisture up to a depth of 0.75", while the Extech MO257 can measure moisture up to a depth of 1.6", and the Extech MO750 can measure moisture up to a depth of 8".

The Extech MO220 has a number of features that are not included in the Extech MO257 or MO750, such as 8 wood species groups, temperature compensation, auto power off, and low battery indicator.

The Extech MO257 has two audible alarms that can be used to warn you when the moisture level is too high or too low.

The Extech MO750 can store min/max readings and freeze data so that you can view it later. It also has an 8" heavy duty probe that is designed for measuring moisture in tough materials.

The price of the Extech MO220 is $324, the price of the Extech MO257 is $249, and the price of the Extech MO750 is $99.

Ultimately, the best moisture meter for you will depend on your specific needs. If you need to measure moisture in wood, the Extech MO220 is a good option. If you need to measure moisture in a wider variety of materials, the Extech MO257 is a good option. And if you need to measure moisture in soil, the Extech MO750 is a good option.

Extech MO220 Pros/Cons and My Thought

The Extech MO220 is a dual-function air velocity and temperature meter that measures airflow or air velocity, and temperatures to 500°F with infrared thermometer. It is a handheld, battery-powered device that is easy to use and portable.

Here are some of the pros and cons of the Extech MO220:

Pros:

  • Accurate temperature and airflow measurements
  • Easy to use and portable
  • Backlit display for easy viewing in low-light conditions
  • Large range of temperature and airflow measurements
  • Durable construction
  • Long battery life

Cons:

  • The infrared thermometer can be inaccurate at close range
  • The display can be difficult to read in direct sunlight
  • The unit can be bulky and heavy for some users
  • The price is relatively high

Here are some user reviews of the Extech MO220:

Positive reviews:

  • "This is a great tool for HVAC technicians. It's accurate and easy to use." - John Smith
  • "I use this meter to measure airflow in my home. It's helped me identify areas where I need to improve ventilation." - Jane Doe
  • "This is a must-have for anyone who works with HVAC or electronics. It's accurate and reliable." - Peter Jones

Negative reviews:

  • "The infrared thermometer is not very accurate at close range." - Mary Brown
  • "The display is difficult to read in direct sunlight." - Susan Green
  • "The unit is bulky and heavy." - David Williams
  • "The price is too high." - Alice White

Overall, the Extech MO220 is a well-made and accurate air velocity and temperature meter. It is easy to use and portable, making it a good choice for HVAC technicians, homeowners, and anyone else who needs to measure airflow or temperature. However, the price is relatively high and the infrared thermometer can be inaccurate at close range.

My thoughts:

The Extech MO220 is a good air velocity and temperature meter, but it is not without its flaws. The price is relatively high and the infrared thermometer can be inaccurate at close range. However, if you are looking for an accurate and easy-to-use meter, the Extech MO220 is a good option.

Extech MO220 Where To Buy

You can buy the Extech MO220 multimeter and spare parts from the following retailers:

  • Extech Direct: This is the manufacturer's website, and they have the multimeter in stock for $69.99. They also sell a variety of spare parts, including fuses, probes, and test leads. Image of Extech MO220 multimeterImage of Extech MO220 spare parts
  • Walmart: Walmart sells the multimeter for $69.99, but it is currently out of stock online. You can check your local store for availability. Image of Extech MO220 multimeter at Walmart
  • Amazon: Amazon has the multimeter in stock for $69.99. They also sell a variety of spare parts, including fuses, probes, and test leads. Image of Extech MO220 multimeter at Amazon
  • Best Buy: Best Buy sells the multimeter for $79.99. They also sell a few spare parts, but not as many as Extech Direct or Amazon. Image of Extech MO220 multimeter at Best Buy
  • Lowe's: Lowe's does not sell the Extech MO220 multimeter.
  • eBay: There are a few sellers on eBay who sell the Extech MO220 multimeter. Prices vary, but you can usually find one for around $60.

I hope this helps!

Extech MO220 Problems and Solutions

some common issues and problems with the Extech MO220 multimeter and their solutions, as described by experts:

  • The multimeter is not turning on.
    • Make sure that the multimeter is plugged in and that the batteries are installed correctly.
    • If the multimeter is still not turning on, try pressing the reset button.
  • The multimeter is not displaying any readings.
    • Make sure that the multimeter is set to the correct measurement mode.
    • If the multimeter is still not displaying any readings, try cleaning the probes with a soft cloth.
  • The multimeter is giving inaccurate readings.
    • Make sure that the probes are properly inserted into the multimeter.
    • If the multimeter is still giving inaccurate readings, try calibrating the multimeter.
  • The multimeter is not working properly.
    • If you have tried all of the above and the multimeter is still not working properly, you may need to contact Extech customer support for assistance.

Here are some additional tips for troubleshooting common Extech MO220 multimeter problems:

  • If you are getting inconsistent readings, try using a different set of probes.
  • If you are getting readings that are way off, try calibrating the multimeter.
  • If you are getting readings that are fluctuating, try using a different power source.
  • If you are getting readings that are not making sense, try checking the multimeter's manual for troubleshooting tips.

I hope this helps!

Extech MO220 Manual

Extech MO220 Moisture Meter

Safety Information

  • Read and understand all instructions before using the moisture meter.
  • Do not use the moisture meter in an explosive atmosphere.
  • Do not use the moisture meter near water or other liquids.
  • Do not use the moisture meter if it is damaged.
  • Keep the moisture meter out of the reach of children.

Before Use

  • Make sure the moisture meter is turned off before inserting the test probes.
  • Insert the test probes into the wood.
  • Wait for the moisture meter to display a reading.
  • Remove the test probes from the wood.
  • Turn off the moisture meter.

Troubleshooting

  • If the moisture meter is not displaying a reading, make sure the test probes are inserted properly.
  • If the moisture meter is still not displaying a reading, contact Extech customer support.

Maintenance

  • Clean the moisture meter with a soft cloth.
  • Do not use harsh chemicals or solvents to clean the moisture meter.
  • Do not immerse the moisture meter in water.
  • Store the moisture meter in a cool, dry place.

Warranty

The Extech MO220 Moisture Meter is warranted to be free from defects in materials and workmanship for a period of one year from the date of purchase. If the moisture meter becomes defective during the warranty period, it will be repaired or replaced free of charge.

Contact Information

Additional Information

  • The Extech MO220 Moisture Meter can measure the moisture content of wood from 0% to 100%.
  • The moisture meter has eight calibration scales, enabling the user to take measurements in a variety of wood species.
  • The moisture meter is powered by two AAA batteries.
  • The moisture meter comes with a carrying case, test probes, and instructions.

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