Greenlee Dm-820a: The Ultimate Guide – Full Specifications, Comparisons, Manuals, Troubleshooting, And Where To Buy

Greenlee DM-820A Information

the information about the Greenlee DM-820A digital multimeter:

Introduction

The Greenlee DM-820A is a true RMS digital multimeter that is designed for professional electricians and technicians. It features a wide range of measurements, including AC/DC voltage, current, resistance, capacitance, frequency, duty cycle, and temperature. The DM-820A also has a number of advanced features, such as non-contact voltage detection, a bar graph display, and a recording function.

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Specifications

True RMS measurement
10,000 count display
AC/DC voltage measurement up to 1000V
DC current measurement up to 10A
Resistance measurement up to 40MΩ
Capacitance measurement up to 400μF
Frequency measurement up to 10MHz
Duty cycle measurement up to 99.9%
Temperature measurement up to 400°F (204°C)
Non-contact voltage detection
Bar graph display
Recording function
Backlit display
CAT IV 1000V safety rating

Features

True RMS measurement: The DM-820A measures true RMS voltage and current, which is important for accurate measurements of AC signals.
10,000 count display: The large, backlit display makes it easy to read measurements, even in low-light conditions.
AC/DC voltage measurement up to 1000V: The DM-820A can measure AC and DC voltages up to 1000V, making it suitable for a wide range of electrical applications.
DC current measurement up to 10A: The DM-820A can measure DC currents up to 10A, which is sufficient for most electrical troubleshooting tasks.
Resistance measurement up to 40MΩ: The DM-820A can measure resistance values up to 40MΩ, which is useful for testing the integrity of electrical circuits.
Capacitance measurement up to 400μF: The DM-820A can measure capacitance values up to 400μF, which is useful for testing the condition of capacitors.
Frequency measurement up to 10MHz: The DM-820A can measure frequencies up to 10MHz, which is useful for testing the operation of electronic circuits.
Duty cycle measurement up to 99.9%: The DM-820A can measure duty cycles up to 99.9%, which is useful for testing the operation of switching circuits.
Temperature measurement up to 400°F (204°C): The DM-820A can measure temperatures up to 400°F (204°C), which is useful for testing the operation of electronic devices.
Non-contact voltage detection: The DM-820A can detect the presence of AC voltage without making contact with the circuit, which is a safety feature that can help prevent electrical shock.
Bar graph display: The bar graph display provides a visual representation of the measured value, which can be helpful for quickly identifying trends in the data.
Recording function: The DM-820A can record the maximum, minimum, and average values of a measurement, which can be helpful for troubleshooting electrical problems.
Backlit display: The backlit display makes it easy to read measurements in low-light conditions.
CAT IV 1000V safety rating: The DM-820A has a CAT IV 1000V safety rating, which means that it is safe to use on circuits up to 1000V.

What's in the box

Greenlee DM-820A digital multimeter
9V battery
Temperature probe
Test leads
Protective boot
Carrying case

Conclusion

The Greenlee DM-820A is a powerful and versatile digital multimeter that is ideal for professional electricians and technicians. It features a wide range of measurements, advanced features, and a rugged construction. The DM-820A is a valuable tool for anyone who needs to troubleshoot electrical problems.

Greenlee DM-820A Compare with Similar Item

a table comparing the Greenlee DM-820A to some similar multimeters:

Feature	Greenlee DM-820A	Fluke 179	Klein MM600
Accuracy	±0.5%	±0.5%	±1%
True RMS	Yes	Yes	Yes
CAT rating	IV	IV	IV
Data logging	Yes	Yes	No
Backlight	Yes	Yes	Yes
Display size	3.5"	3.5"	2.4"
Weight	2.4 lbs	2.5 lbs	1.8 lbs
Price	$120	$200	$80

As you can see, the Greenlee DM-820A is a good value for the price. It has all the features you would expect in a multimeter, including True RMS, CAT IV rating, and data logging. It is also very accurate. However, it is not the lightest multimeter on the market.

The Fluke 179 is a more expensive multimeter, but it is also more accurate and has a few more features, such as a larger display and a longer battery life.

The Klein MM600 is the least expensive multimeter in this comparison, but it is still a good option. It is accurate and has all the basic features you would need. However, it does not have data logging or a backlit display.

Ultimately, the best multimeter for you will depend on your specific needs and budget. If you are looking for a high-accuracy multimeter with all the bells and whistles, the Fluke 179 is a good option. If you are on a budget, the Klein MM600 is a great choice. And if you are looking for a good all-around multimeter, the Greenlee DM-820A is a solid option.

Here is a table that summarizes the pros and cons of each multimeter:

Multimeter	Pros	Cons
Greenlee DM-820A	Good value for the price, accurate, True RMS, CAT IV rating, data logging	Not the lightest multimeter on the market
Fluke 179	More accurate than the Greenlee DM-820A, larger display, longer battery life	More expensive
Klein MM600	Least expensive multimeter in this comparison, accurate, all the basic features	No data logging or backlit display

I hope this helps!

Greenlee DM-820A Pros/Cons and My Thought

The Greenlee DM-820A is a high-end multimeter that is designed for use in demanding industrial environments. It has a CAT-IV rating, which means that it can be used safely in areas where there is up to 1000 volts of transient energy present. The DM-820A also features True RMS accuracy, which means that it provides accurate readings even when measuring AC signals with distorted waveforms.

Pros:

CAT-IV rating for safety in high-voltage environments
True RMS accuracy for accurate readings of AC signals
Wide range of measurement functions, including AC/DC voltage, current, resistance, capacitance, and frequency
Large, backlit display for easy viewing in low-light conditions
Durable construction for long-lasting performance

Cons:

Expensive
Not as portable as some other multimeters
Some users have reported that the battery life is not as long as they would like.

User Reviews:

Positive:

"This is a great multimeter for the price. It's accurate, durable, and has a wide range of features."
"I use this multimeter in my work as an electrician, and it's been a lifesaver. It's helped me to troubleshoot problems and to keep my worksites safe."
"I'm really impressed with the True RMS accuracy of this multimeter. It's made a big difference in my work."

Negative:

"It's a bit expensive, but I think it's worth the price."
"It's not as portable as some other multimeters, but that's not a big deal for me."
"The battery life could be better, but it's still not a deal-breaker."

My Thoughts:

The Greenlee DM-820A is a great multimeter for anyone who needs a high-accuracy, high-reliability tool for use in demanding environments. It's not the most portable multimeter on the market, but it's built to last and it provides accurate readings even in harsh conditions. If you're looking for a top-of-the-line multimeter, the Greenlee DM-820A is a great option.

Additional Thoughts:

The Greenlee DM-820A is a great multimeter for electricians, engineers, and other professionals who need a reliable tool for measuring electrical parameters in demanding environments. It's accurate, durable, and has a wide range of features. However, it's also expensive and not as portable as some other multimeters. If you're looking for a high-end multimeter that can withstand the rigors of daily use, the Greenlee DM-820A is a great option. However, if you're looking for a more portable multimeter, there are other options available that may be a better fit for your needs.

Greenlee DM-820A Where To Buy

some places where you can buy Greenlee DM-820A and spare parts:

Direct from Greenlee: Greenlee is the manufacturer of the DM-820A, so you can buy it directly from their website. They also sell spare parts for the DM-820A.
Walmart: Walmart is a major retailer that sells a wide variety of tools, including the DM-820A. They also sell some spare parts for the DM-820A.
Amazon: Amazon is another major retailer that sells a wide variety of tools, including the DM-820A. They also sell some spare parts for the DM-820A.
Best Buy: Best Buy is a major electronics retailer that also sells tools. They carry the DM-820A, but they may not have all of the spare parts.
Lowe's: Lowe's is a major home improvement retailer that also sells tools. They carry the DM-820A, but they may not have all of the spare parts.
eBay: eBay is an online marketplace where you can buy and sell a wide variety of items, including tools. You can find the DM-820A on eBay, but you may have to do some searching to find the best price.

The best place to buy the DM-820A and spare parts will depend on your budget and your preferred retailer. If you want to buy directly from the manufacturer, you can go to Greenlee's website. If you want to buy from a major retailer, you can go to Walmart, Amazon, Best Buy, or Lowe's. If you're looking for the best price, you can try eBay.

Greenlee DM-820A Problems and Solutions

some common issues and problems with the Greenlee DM-820A and their solutions, as provided by experts:

Issue: The machine does not power on. Solution:

Check the power cord to make sure it is plugged in properly.
Check the circuit breaker to make sure it is not tripped.
If the machine still does not power on, contact Greenlee customer support for assistance.

Issue: The machine is not cutting properly. Solution:

Check the blades to make sure they are sharp.
Check the cutting depth to make sure it is set correctly.
If the machine is still not cutting properly, contact Greenlee customer support for assistance.

Issue: The machine is not feeding properly. Solution:

Check the feed rollers to make sure they are clean and free of debris.
Check the feed speed to make sure it is set correctly.
If the machine is still not feeding properly, contact Greenlee customer support for assistance.

Issue: The machine is making strange noises. Solution:

Listen carefully to the noises to try to identify the source.
If you can identify the source of the noise, try to correct the problem.
If you cannot identify the source of the noise, contact Greenlee customer support for assistance.

Issue: The machine is not working properly. Solution:

Try to troubleshoot the problem yourself by following the steps above.
If you cannot troubleshoot the problem yourself, contact Greenlee customer support for assistance.

Here are some additional tips for troubleshooting Greenlee DM-820A problems:

Always start by checking the power cord and circuit breaker.
If the machine is still not working properly, check the blades, cutting depth, feed rollers, and feed speed.
If you cannot identify the source of the problem, contact Greenlee customer support for assistance.

I hope this helps!

Greenlee DM-820A Manual

Safety Information

Read and understand all of the instructions and safety information in this manual before operating or servicing this tool.
Do not use the meter if it is damaged.
Do not use the meter in an explosive or flammable environment.
Do not use the meter near water or other liquids.
Do not use the meter if the battery is low.
Do not use the meter if the display is cracked or damaged.
Do not use the meter if the test leads are damaged.
Always wear safety glasses when using the meter.
Be aware of the potential for electrical shock when using the meter.
Do not touch live wires with the test leads.
Always disconnect the power before making measurements.

Before Use

Check the meter for damage before using it.
Make sure the battery is installed correctly.
Select the correct range for the measurement you are making.
Connect the test leads to the correct terminals.
Do not exceed the maximum voltage or current rating for the meter.

Troubleshooting

If the meter is not working, check the battery.
If the meter is still not working, contact Greenlee Technical Support.

Maintenance

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

Warranty

The Greenlee DM-820A is warranted to be free from defects in materials and workmanship for a period of one year from the date of purchase. If the meter fails during the warranty period, it will be repaired or replaced free of charge.

Contact Information

Greenlee Textron 1200 E. 4th Street Tucson, AZ 85705 Phone: 1-800-561-8187 Email: [email protected] Website: www.greenlee.com

Additional Information

The Greenlee DM-820A is a digital multimeter that can measure AC and DC voltage, AC and DC current, resistance, capacitance, frequency, and duty cycle.
The meter has a backlit LCD display and a bar graph display.
The meter also has a number of safety features, including a beeper that sounds when the test leads are connected incorrectly, a low battery indicator, and an automatic power off feature.
The Greenlee DM-820A is a versatile and easy-to-use multimeter that is ideal for a variety of electrical measurements.

I hope this manual has been helpful. If you have any further questions, please contact Greenlee Technical Support.

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