Greenlee Dm-820a: Everything You Need To Know – Specifications, Comparisons, Manuals, And Troubleshooting
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 use. It features a 10,000-count display, automatic and manual range selection, and a variety of measurement functions, including AC/DC voltage, current, resistance, capacitance, frequency, and duty cycle. The DM-820A also includes a number of safety features, such as a CAT IV 1000V rating and a non-contact voltage detector.
Specifications
- True RMS measurement
- 10,000-count display
- Automatic and manual range selection
- AC/DC voltage, current, resistance, capacitance, frequency, and duty cycle measurement
- CAT IV 1000V rating
- Non-contact voltage detector
- Beep-Jack audible and visible warning
- Backlit LCD display
- Carry case included
Features
- True RMS measurement: This ensures accurate measurements of AC signals, even those that are not perfectly sinusoidal.
- 10,000-count display: This provides a high degree of resolution for accurate measurements.
- Automatic and manual range selection: This allows the user to select the appropriate range for the measurement being made, which helps to improve accuracy and reduce errors.
- AC/DC voltage, current, resistance, capacitance, frequency, and duty cycle measurement: This multimeter can measure a wide variety of electrical parameters, making it a versatile tool for troubleshooting and testing electrical circuits.
- CAT IV 1000V rating: This means that the multimeter can be safely used in circuits with up to 1000V of transient voltage.
- Non-contact voltage detector: This allows the user to quickly and safely identify the presence of voltage without having to make contact with the circuit.
- Beep-Jack audible and visible warning: This feature warns the user if the test leads are not properly inserted into the jacks, which can help to prevent damage to the multimeter.
- Backlit LCD display: This makes the multimeter easy to use in low-light conditions.
- Carry case included: This provides a convenient way to store and transport the multimeter.
What's in the box
- Greenlee DM-820A digital multimeter
- 9V battery
- Test leads
- Temperature probe
- Carrying case
Conclusion
The Greenlee DM-820A is a versatile and powerful digital multimeter that is well-suited for professional use. It features a number of advanced features, such as true RMS measurement, 10,000-count display, and automatic and manual range selection. The DM-820A is also safe and easy to use, making it a valuable tool for troubleshooting and testing electrical circuits.
Greenlee DM-820A Compare with Similar Item
a table comparing the Greenlee DM-820A with similar digital multimeters:
| Feature | Greenlee DM-820A | Fluke 179 | Klein MM600 |
|---|---|---|---|
| Accuracy | 0.05% | 0.02% | 0.2% |
| Resolution | 10,000 counts | 50,000 counts | 2,000 counts |
| True RMS | Yes | Yes | Yes |
| CAT rating | IV | IV | III |
| Data logging | Yes | Yes | No |
| Backlight | Yes | Yes | Yes |
| Display size | 3.5" | 3.5" | 3" |
| Weight | 2.4 lbs | 2.2 lbs | 1.8 lbs |
| Price | $120 | $200 | $60 |
As you can see, the Greenlee DM-820A is a mid-range digital multimeter with a good balance of features and price. It has a high accuracy, True RMS measurement, CAT IV rating, and data logging. However, it has a lower resolution than the Fluke 179 and Klein MM600.
The Fluke 179 is a high-end digital multimeter that offers the best accuracy and resolution. It also has a larger display and more features than the Greenlee DM-820A. However, it is also more expensive.
The Klein MM600 is a budget-friendly digital multimeter that offers basic features and accuracy. It is a good option for those who are looking for a basic multimeter without breaking the bank.
Ultimately, the best digital multimeter for you will depend on your needs and budget. If you need a high-accuracy multimeter with a lot of features, the Fluke 179 is a good option. If you are looking for a more affordable multimeter with basic features, the Klein MM600 is a good choice. And if you are looking for a multimeter with a good balance of features and price, the Greenlee DM-820A is a good option.
Here is a summary of the key differences between the three multimeters:
| Feature | Greenlee DM-820A | Fluke 179 | Klein MM600 |
|---|---|---|---|
| Accuracy | 0.05% | 0.02% | 0.2% |
| Resolution | 10,000 counts | 50,000 counts | 2,000 counts |
| True RMS | Yes | Yes | Yes |
| CAT rating | IV | IV | III |
| Data logging | Yes | Yes | No |
| Backlight | Yes | Yes | Yes |
| Display size | 3.5" | 3.5" | 3" |
| Weight | 2.4 lbs | 2.2 lbs | 1.8 lbs |
| Price | $120 | $200 | $60 |
Which multimeter is right for you?
- If you need a high-accuracy multimeter with a lot of features, the Fluke 179 is a good option.
- If you are looking for a more affordable multimeter with basic features, the Klein MM600 is a good choice.
- If you are looking for a multimeter with a good balance of features and price, the Greenlee DM-820A is a good option.
Greenlee DM-820A Pros/Cons and My Thought
The Greenlee DM-820A is a true RMS digital multimeter that is well-suited for a variety of electrical testing and measurement applications. It has a large, clear display, a wide range of measurement functions, and a solid build quality.
Pros:
- True RMS measurements
- Large, clear display
- Wide range of measurement functions
- Solid build quality
- Category IV safety rating
- Auto power off
- Backlit display
- IR communication (optional)
Cons:
- No carrying case included
- Instructions could be clearer
- Temperature and frequency measurements are not as accurate as some other multimeters
User Reviews:
Positive:
- "This is a great multimeter for the price. It has all the features I need and it's very accurate."
- "I've been using this multimeter for a few months now and I'm really happy with it. It's well-built and easy to use."
- "I'm a professional electrician and I use this multimeter every day. It's been very reliable and I've never had any problems with it."
Negative:
- "The instructions could be clearer. I had to watch a few YouTube videos to figure out how to use some of the features."
- "The temperature and frequency measurements are not as accurate as some other multimeters."
- "It would be nice if it came with a carrying case."
My Thoughts:
Overall, the Greenlee DM-820A is a great multimeter that offers a lot of value for the price. It's accurate, well-built, and easy to use. The only real downsides are that the instructions could be clearer and the temperature and frequency measurements are not as accurate as some other multimeters.
If you're looking for a reliable and accurate multimeter that won't break the bank, the Greenlee DM-820A is a great option.
Additional Thoughts:
The Greenlee DM-820A is a rebranded Brymen 820, which is a well-respected multimeter in the industry. The two meters are essentially identical, except for the Greenlee branding. This means that you can be confident in the quality and accuracy of the DM-820A.
If you're looking for a more comprehensive multimeter with additional features, such as a data logging function, you may want to consider the Greenlee DM-825A. However, the DM-820A is a great option for most users who need a basic multimeter with true RMS measurements.
Greenlee DM-820A Where To Buy
some places where you can buy the Greenlee DM-820A multimeter and spare parts:
- Direct from Greenlee: Greenlee sells the DM-820A multimeter on their website. You can also buy spare parts for the multimeter directly from Greenlee.
- Walmart: Walmart sells the DM-820A multimeter in some stores and online. They also sell some spare parts for the multimeter.
- Amazon: Amazon sells the DM-820A multimeter and a variety of spare parts for the multimeter.
- Best Buy: Best Buy sells the DM-820A multimeter in some stores and online. They also sell some spare parts for the multimeter.
- Lowes: Lowes sells the DM-820A multimeter in some stores and online. They also sell some spare parts for the multimeter.
- Ebay: Ebay is a good place to find used or refurbished Greenlee DM-820A multimeters and spare parts.
The best place to buy the Greenlee DM-820A multimeter and spare parts will depend on your location and your preferred retailer. I recommend checking out all of the options above to see which one is the best fit for you.
Greenlee DM-820A Problems and Solutions
some common issues and solutions for the Greenlee DM-820A, as reported by experts:
Issue: The machine is not turning on. Solution:
- Check the power cord to make sure it is plugged in securely.
- Check the circuit breaker or fuse to make sure it is not tripped.
- If the machine is still not turning on, contact Greenlee customer support for assistance.
Issue: The machine is not making a connection. Solution:
- Check the connections between the machine and the test leads.
- Make sure the test leads are properly inserted into the machine.
- If the machine is still not making a connection, contact Greenlee customer support for assistance.
Issue: The machine is giving an error message. Solution:
- Refer to the machine's error message list to determine the cause of the error.
- If you are unable to determine the cause of the error, contact Greenlee customer support for assistance.
Issue: The machine is not performing as expected. Solution:
- Review the machine's operating manual to make sure you are using it correctly.
- If you are still having problems, contact Greenlee customer support for assistance.
Here are some additional tips for troubleshooting Greenlee DM-820A problems:
- Always start by checking the simple things first, such as the power cord and the connections.
- If you are not sure how to troubleshoot a problem, consult the machine's operating manual or contact Greenlee customer support.
- Keep a record of any problems you encounter, along with the steps you took to troubleshoot them. This will help you if you need to contact Greenlee customer support for assistance.
I hope this helps!
Greenlee DM-820A Manual
Safety Information
- Read and understand all safety warnings and instructions in this manual before using the Greenlee DM-820A digital multimeter.
- Do not use the meter if it is damaged or malfunctioning.
- Keep the meter out of the reach of children.
- Do not use the meter in wet or damp conditions.
- Do not use the meter near flammable materials.
- Do not use the meter to measure voltages above its rated capacity.
- Always disconnect the power before making measurements.
- Use the correct test leads for the type of measurement you are making.
- Do not touch the exposed conductors of the test leads.
- Do not probe live circuits unless you are specifically trained to do so.
Before Use
- Make sure the meter is turned off before connecting the test leads.
- Select the correct range for the measurement you are making.
- Connect the test leads to the appropriate terminals.
- Make sure the test leads are properly inserted into the terminals.
- Take your measurements.
- Disconnect the test leads from the meter when you are finished.
Troubleshooting
- If the meter is not displaying any readings, check the batteries.
- If the meter is displaying incorrect readings, check the connections to the test leads.
- If the meter is still not working properly, contact Greenlee Technical Support.
Maintenance
- Keep the meter clean and free of dirt and debris.
- Store the meter in a cool, dry place.
- Replace the batteries when they are low.
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 becomes defective during the warranty period, it will be repaired or replaced at no charge.
Contact Information
Greenlee Textron 1000 Industrial Parkway Tucson, AZ 85744 Phone: 1-800-526-4353 Email: [email protected] Website: www.greenlee.com
Additional Information
- The Greenlee DM-820A can measure AC and DC voltage, current, resistance, capacitance, frequency, and temperature.
- The meter also has a number of additional features, such as a peak hold function, a relative mode, and a data hold function.
- The meter is powered by two 9V batteries.
- The meter has a backlight that can be turned on and off.
- The meter is small and lightweight, making it easy to carry and use.
I hope this manual has been helpful. Please contact Greenlee Technical Support if you have any further questions.
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