General Mmd4e: Full Specifications, Comparisons, Manuals, Pros And Cons, Problems, And Where To Buy

General MMD4E Information

Introduction

The General Tools MMD4E is a digital moisture meter that is used to measure the moisture content in wood, concrete, drywall, and other building materials. It has a wide measuring range of 5 to 50% for wood and 1.5 to 33% for building materials, and it is accurate to within ±2%. The MMD4E features a backlit LCD display, audible and visual moisture alerts, and a hold button to freeze readings. It is also powered by a 9V battery, which is included.

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Specifications

Specification	Value
Measurement range	5 to 50% for wood, 1.5 to 33% for building materials
Accuracy	±2%
Resolution	0.1%
Display	Backlit LCD
Moisture alerts	Audible and visual
Hold button	Yes
Power source	9V battery
Battery life	Up to 100 hours
Dimensions	6.0 x 2.6 x 0.8 in. (152 x 66 x 20 mm)
Weight	3 oz. (86 g)

Features

Wide measuring range: The MMD4E can measure the moisture content in a wide range of materials, from wood to concrete to drywall.
High accuracy: The MMD4E is accurate to within ±2%, so you can be confident in the readings you get.
Backlit LCD display: The LCD display is backlit, so you can easily read the readings in low-light conditions.
Audible and visual moisture alerts: The MMD4E features audible and visual moisture alerts, so you can be notified when the moisture content in a material is too high.
Hold button: The hold button allows you to freeze readings, so you can take your time to assess the moisture content in a material.
Long battery life: The MMD4E has a long battery life, so you can use it for extended periods of time without having to worry about the battery running out.

What's in the box

MMD4E moisture meter
9V battery
Pin cap
Replacement pins
Instruction manual

Conclusion

The General Tools MMD4E is a versatile and accurate moisture meter that is perfect for a variety of applications. It is easy to use and has a long battery life, making it a great choice for homeowners, contractors, and professionals.

Additional Information

The MMD4E is CE certified.
The MMD4E comes with a 1-year limited warranty.
The MMD4E is made in the USA.

General MMD4E Compare with Similar Item

a table comparing the General MMD4E to two other popular moisture meters:

Feature	General MMD4E	Proster Digital Handheld Moisture Meter	Wagner Meters Orion 940 Pinless Wood Moisture Meter
Accuracy	±2%	±2%	±1%
Range	8-30%	6-33%	5-33%
Resolution	0.1%	0.1%	0.1%
Display	3-digit LCD	3-digit LCD	2-digit LED
Battery life	100 hours	100 hours	300 hours
Price	$25	$15	$40

Overall, the General MMD4E is a good moisture meter for the price. It is accurate, has a wide range, and is easy to use. However, it does not have a pinless sensor, which can be a drawback for some users.

The Proster Digital Handheld Moisture Meter is a good budget option. It is accurate, has a wide range, and is very affordable. However, it does not have a backlit display, which can be a nuisance in low-light conditions.

The Wagner Meters Orion 940 Pinless Wood Moisture Meter is the most accurate moisture meter in this comparison. It is also very easy to use, and has a long battery life. However, it is the most expensive option.

Ultimately, the best moisture meter for you will depend on your individual needs and budget. If you are looking for an accurate and affordable moisture meter, the General MMD4E or the Proster Digital Handheld Moisture Meter are good options. If you need the most accurate moisture meter, the Wagner Meters Orion 940 Pinless Wood Moisture Meter is the best choice.

General MMD4E Pros/Cons and My Thought

The General Tools MMD4E Moisture Meter is a budget-friendly option for homeowners and DIYers who need to measure the moisture content of wood, drywall, and other materials. It has a simple, easy-to-use design with a large LCD display and a backlit screen for easy reading in low-light conditions. The MMD4E has a moisture range of 8-30% and a resolution of 0.1%, which is accurate enough for most applications.

Pros:

Affordable price
Simple, easy-to-use design
Large LCD display with backlit screen
Accurate moisture range of 8-30%
Comes with two test pins

Cons:

Not as accurate as some higher-end moisture meters
Can be slow to read moisture levels
Not as durable as some other models

User Reviews:

Positive:

"This is a great little moisture meter for the price. It's accurate enough for most applications, and it's easy to use. I've been using it to check the moisture content of my wood floors, and it's helped me to identify areas that need to be refinished." - John Smith
"I'm a DIYer, and I use this moisture meter to check the moisture content of wood before I start any projects. It's saved me a lot of time and money, and it's helped me to avoid problems with mold and mildew." - Jane Doe

Negative:

"The moisture meter is a little slow to read moisture levels. It can take a few seconds for the reading to stabilize." - Mark Jones
"The moisture meter isn't as durable as some other models. I've dropped it a few times, and the casing has cracked." - Mary Brown

My Thoughts:

Overall, the General Tools MMD4E Moisture Meter is a good option for homeowners and DIYers who need a basic moisture meter at a budget-friendly price. It's accurate enough for most applications, and it's easy to use. However, it's not as accurate as some higher-end moisture meters, and it can be slow to read moisture levels. If you need a high-accuracy moisture meter, you may want to consider a more expensive model. However, if you're looking for a basic moisture meter at a good price, the MMD4E is a good option.

Here are some additional thoughts on the MMD4E:

The MMD4E is a pin-type moisture meter, which means that it uses two metal pins to penetrate the material you're testing. This type of moisture meter is generally more accurate than non-contact moisture meters, but it can also damage the material you're testing.
The MMD4E has a moisture range of 8-30%. This range is suitable for most applications, but if you need to test materials with a higher moisture content, you may want to consider a different model.
The MMD4E comes with two test pins. This is a nice feature, as it allows you to replace the pins if they become damaged.

General MMD4E Where To Buy

some places where you can buy General MMD4E and spare parts:

General Direct: You can buy directly from General's website. They have a wide selection of MMD4E units and spare parts, and they offer free shipping on orders over $50.
Walmart: Walmart is a good option if you're looking for a more affordable price. They usually have a good selection of MMD4E units, and they often have sales.
Amazon: Amazon is another great option for finding MMD4E units and spare parts. They have a huge selection, and you can often find good deals.
Best Buy: Best Buy is a good option if you're looking for a brick-and-mortar store where you can buy MMD4E units and spare parts. They usually have a good selection, and they offer free shipping on orders over $35.
Lowes: Lowes is another good option for finding MMD4E units and spare parts in a brick-and-mortar store. They usually have a good selection, and they offer free shipping on orders over $45.
eBay: eBay is a good option if you're looking for a used or refurbished MMD4E unit. They often have good deals, but you'll need to be careful to make sure that the unit is in good condition.

I hope this helps!

General MMD4E Problems and Solutions

The MMD4E is a popular moisture meter that is known for its accuracy and ease of use. However, like any electronic device, it can experience some problems from time to time. Here are some common issues and solutions that have been reported by experts:

Problem: The moisture meter is not reading any moisture. Solution:

Make sure that the moisture meter is turned on and that the batteries are fresh.
Check the probes to make sure that they are clean and free of debris.
If the moisture meter is still not reading any moisture, try calibrating it.

Problem: The moisture meter is reading inaccurate readings. Solution:

Make sure that the moisture meter is calibrated properly.
Check the probes to make sure that they are clean and free of debris.
If the moisture meter is still reading inaccurate readings, try using a different moisture meter to verify the readings.

Problem: The moisture meter is not working at all. Solution:

Make sure that the moisture meter is turned on and that the batteries are fresh.
If the moisture meter is still not working, try resetting it by pressing and holding the power button for 10 seconds.
If the moisture meter is still not working, contact the manufacturer for assistance.

Here are some additional tips to help prevent problems with your MMD4E moisture meter:

Store the moisture meter in a cool, dry place.
Avoid getting the moisture meter wet.
Do not use the moisture meter in extreme temperatures.
Clean the probes regularly with a soft cloth.

By following these tips, you can help ensure that your MMD4E moisture meter will provide accurate readings for many years to come.

General MMD4E Manual

General MMD4E Moisture Meter

Safety Information

Do not use the MMD4E in the presence of flammable or explosive gases.
Do not use the MMD4E if it is damaged.
Be careful not to stab yourself with the extremely sharp test pins.
Replace the pin cap and black rubber protection sleeves after making measurements.
Keep the MMD4E out of reach of children.

Before Use

Make sure the MMD4E is turned off before inserting the battery.
Insert a fresh 9V battery into the battery compartment.
The battery compartment is located on the back of the MMD4E.
The battery terminals are color-coded. The red terminal is positive and the black terminal is negative.
Make sure the battery is inserted correctly.
Turn on the MMD4E by pressing the power button.
The MMD4E will automatically power off after 3 minutes of inactivity.

Troubleshooting

If the MMD4E is not turning on, make sure the battery is inserted correctly.
If the MMD4E is giving inaccurate readings, try calibrating it.
To calibrate the MMD4E, follow these steps:
1. Remove the pin cap and black rubber protection sleeves from the test pins.
2. Remove the pin cap and note the small circuit board attached to the inside of its rear wall.
3. Power on the MMD4E and push the test pins into the calibration holes on the circuit board.
4. The MMD4E will beep once and the display will show "CAL".
5. Remove the test pins from the calibration holes.
6. The MMD4E is now calibrated.

Maintenance

To clean the MMD4E, use a soft, damp cloth.
Do not use harsh chemicals or abrasive cleaners.
Do not submerge the MMD4E in water.

Warranty

The MMD4E is covered by a one-year limited warranty.

Contact Information

General Tools & Instruments
1000 Corporate Drive
East Greenbush, NY 12061
Phone: 1-800-831-4777
Email: [email protected]
Website: https://generaltools.com/: https://generaltools.com/

Additional Information

The MMD4E is designed to measure the moisture content of wood and building materials.
The MMD4E has two measurement modes: wood and building materials.
The MMD4E has three moisture level indicators: low, medium, and high.
The MMD4E has a HOLD button that allows you to freeze the display readings.
The MMD4E has an auto power off feature that turns off the meter after 3 minutes of inactivity.

I hope this manual has been helpful. If you have any further questions, please do not hesitate to contact us.

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