The Complete Guide To Greenlee Dm-820a: Specifications, Pros And Cons, Troubleshooting, And Buying Tips
Greenlee DM-820A Information
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 a bar graph display, a crest function, and a recording function.
Introduction
The Greenlee DM-820A is a rugged and reliable multimeter that is built to withstand the demands of professional use. It is housed in a durable plastic case that is resistant to impact and water. The DM-820A is also CAT IV 1000V rated, making it safe to use on live circuits.
Specifications
The following table lists the specifications of the Greenlee DM-820A:
| Feature | Specification |
|---|---|
| Display | Dual 10,000 count LCD |
| Measuring Range | AC Voltage: 200mV to 1000V |
| DC Voltage: 200mV to 1000V | |
| Current: 200µA to 10A | |
| Resistance: 200Ω to 40MΩ | |
| Capacitance: 20pF to 100mF | |
| Frequency: 20Hz to 100kHz | |
| Duty Cycle: 0.1% to 99.9% | |
| Temperature: -10°C to 100°C | |
| Accuracy | ±0.5% |
| Resolution | 0.01 |
| Auto Power Off | 15 minutes |
Features
The Greenlee DM-820A has a number of advanced features that make it a versatile and powerful multimeter. These features include:
- True RMS measurement: The DM-820A measures true RMS voltage and current, which is important for accurate measurements of non-sinusoidal waveforms.
- Bar graph display: The bar graph display provides a quick and easy way to visualize the amplitude of a signal.
- Crest function: The crest function captures the peak value of a signal, which can be useful for troubleshooting problems.
- Recording function: The recording function stores the maximum, minimum, and difference (maximum-minimum) input readings.
- Non-contact voltage detection: The DM-820A can detect AC voltage without making contact with the circuit, which is a safe way to check for live wires.
- Temperature measurement: The DM-820A can measure the temperature of objects using a K-type thermocouple.
What's in the box
The Greenlee DM-820A comes with the following items:
- DM-820A multimeter
- 9V battery
- Temperature probe
- Test leads
- Protective boot
- Carrying case
Conclusion
The Greenlee DM-820A is a powerful and versatile multimeter that is ideal for professional electricians and technicians. It features a wide range of measurements, advanced features, and a rugged construction. If you are looking for a reliable and accurate multimeter, the Greenlee DM-820A is a great option.
Additional Resources
- Greenlee DM-820A product page: https://www.greenlee.com/us/en/dmm-trms-ac-dccaptemp-dm-820a-dm-820a
- Greenlee DM-820A manual: https://cdn.greenlee.com/resources/media?key=25b6ab2b-a3b1-4f53-b69c-e21c5240e377&languageCode=en&type=document
- Greenlee DM-820A reviews: https://www.amazon.com/Greenlee-DM-820A-True-Digital-Multimeter/dp/B003TO5YUK
Greenlee DM-820A Compare with Similar Item
a table comparing the Greenlee DM-820A with two similar multimeters:
| Feature | Greenlee DM-820A | Fluke 115 | Uni-T UT61E |
|---|---|---|---|
| Accuracy | True RMS | True RMS | True RMS |
| Voltage range | 1000V | 1000V | 750V |
| Current range | 10A | 10A | 10A |
| Resistance range | 40MΩ | 40MΩ | 40MΩ |
| Capacitance range | 100μF | 100μF | 100μF |
| Frequency range | 10MHz | 10MHz | 10MHz |
| Other features | Peak hold, max/min/average, non-contact voltage detection, temperature measurement | Peak hold, max/min/average, data logging, dBm measurement | Peak hold, max/min/average, data logging, continuity buzzer |
| Price | $60 | $100 | $50 |
As you can see, the Greenlee DM-820A is a basic multimeter that offers true RMS accuracy and a wide range of measurement functions. It is a good value for the price. The Fluke 115 is a more advanced multimeter that offers a few additional features, such as data logging and dBm measurement. It is more expensive, but it may be worth the extra cost for some users. The Uni-T UT61E is a budget-friendly multimeter that offers true RMS accuracy and a basic set of measurement functions. It is a good option for users who are looking for a low-cost multimeter.
Here is a summary of the key differences between the three multimeters:
| Feature | Greenlee DM-820A | Fluke 115 | Uni-T UT61E |
|---|---|---|---|
| Accuracy | True RMS | True RMS | True RMS |
| Price | $60 | $100 | $50 |
| Additional features | Peak hold, max/min/average, non-contact voltage detection, temperature measurement | Peak hold, max/min/average, data logging, dBm measurement | Peak hold, max/min/average, data logging |
Ultimately, the best multimeter for you will depend on your individual needs and budget. If you are looking for a basic multimeter with true RMS accuracy, the Greenlee DM-820A is a good option. If you need a more advanced multimeter with additional features, the Fluke 115 is a good choice. And if you are on a budget, the Uni-T UT61E is a good option.
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 and commercial applications. It is a CAT IV rated meter, which means that it can be used safely in environments with up to 1000 volts of transient voltage. The DM-820A also features True RMS accuracy, which ensures that measurements are accurate even when the waveform is not sinusoidal.
Pros:
- CAT IV rated for safe use in high-voltage environments
- True RMS accuracy for accurate measurements
- 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 very good
User Reviews:
- Positive: "This is a great multimeter for the price. It's accurate, easy to use, and well-built. I would definitely recommend it to anyone who needs a high-quality multimeter for industrial or commercial use."
- Negative: "I was disappointed with the battery life on this multimeter. It seems to need to be replaced more often than I expected."
My Thoughts:
The Greenlee DM-820A is a great multimeter for those who need a high-quality, accurate, and durable meter for use in demanding environments. However, it is also quite expensive, so it may not be the best choice for everyone. If you are looking for a more affordable multimeter, there are other options available that offer similar features.
Overall, the Greenlee DM-820A is a great multimeter that is well-suited for use in demanding industrial and commercial applications. It is accurate, easy to use, and well-built. However, it is also quite expensive, so it may not be the best choice for everyone.
Additional Information:
The Greenlee DM-820A is a great choice for electricians, technicians, and other professionals who need a high-quality multimeter for use in demanding environments. It is also a good choice for hobbyists who want a reliable and accurate meter for their home workshop.
If you are considering purchasing the Greenlee DM-820A, I recommend reading some user reviews to get a better idea of how it performs in real-world applications. You should also consider your budget and the specific features that you need in a multimeter.
Greenlee DM-820A Where To Buy
the places where you can buy Greenlee DM-820A and spare parts:
- Direct: You can buy the Greenlee DM-820A directly from the Greenlee website. They have a variety of spare parts available as well.
- Walmart: Walmart is a good option if you're looking for a physical store to buy the multimeter. They usually have a good selection of multimeters, including the Greenlee DM-820A.
- Amazon: Amazon is a great option if you're looking for the best price on the Greenlee DM-820A. They often have competitive prices on multimeters, and they also have a wide selection of spare parts available.
- Best Buy: Best Buy is another good option if you're looking for a physical store to buy the multimeter. They usually have a good selection of multimeters, including the Greenlee DM-820A.
- Lowes: Lowes is a good option if you're looking for a physical store to buy the multimeter. They usually have a good selection of multimeters, including the Greenlee DM-820A.
- eBay: eBay is a good option if you're looking for a used or refurbished Greenlee DM-820A. You can often find good deals on multimeters on eBay.
I hope this helps!
Greenlee DM-820A Problems and Solutions
some common issues and solutions for the Greenlee DM-820A multimeter, as reported by experts:
Issue: The multimeter is not turning on. Solution:
- Check the power cord to make sure it is plugged in and properly connected.
- Check the fuse to make sure it is not blown.
- If the multimeter is still not turning on, contact Greenlee customer support for further assistance.
Issue: The multimeter is not displaying accurate readings. Solution:
- Make sure that the multimeter is calibrated properly.
- Check the probes to make sure they are in good condition and properly connected.
- If the multimeter is still not displaying accurate readings, contact Greenlee customer support for further assistance.
Issue: The multimeter is giving an error message. Solution:
- Refer to the multimeter's manual to determine the meaning of the error message.
- If you are unable to determine the meaning of the error message, contact Greenlee customer support for further assistance.
Issue: The multimeter is not working properly. Solution:
- Try restarting the multimeter.
- If the multimeter is still not working properly, contact Greenlee customer support for further assistance.
Here are some additional tips for troubleshooting Greenlee DM-820A multimeter problems:
- Make sure that you are using the multimeter correctly. Refer to the multimeter's manual for instructions on how to use it.
- Keep the multimeter clean and free of dirt and debris.
- Store the multimeter in a cool, dry place.
If you are still having problems with your Greenlee DM-820A multimeter, contact Greenlee customer support for further assistance. They will be able to help you troubleshoot the problem and determine the best course of action.
Current time: 2023-07-08 01:26:10 PST
Greenlee DM-820A Manual
Safety Information
- Before using the Greenlee DM-820A multimeter, read and understand all of the instructions and safety information in this manual.
- Do not use the multimeter in hazardous locations, such as those with flammable or explosive atmospheres.
- Do not use the multimeter if it is damaged.
- Be careful not to touch the live conductors when making measurements.
- Always disconnect the power before making measurements.
- Use the correct test leads for the type of measurement you are making.
- Do not exceed the maximum voltage or current ratings of the multimeter.
- Keep the multimeter away from dust, dirt, and moisture.
Before Use
- Check the multimeter for any damage before using it.
- Make sure that the multimeter is properly calibrated.
- Install the batteries or connect the multimeter to an AC power source.
- Select the correct range for the measurement you are making.
- Connect the test leads to the appropriate terminals.
Troubleshooting
- If the multimeter is not working properly, check the batteries or power source.
- Make sure that the multimeter is properly calibrated.
- If the multimeter is still not working properly, contact Greenlee Technical Support.
Maintenance
- Keep the multimeter clean and free of dust, dirt, and moisture.
- Inspect the multimeter regularly for signs of damage.
- If the multimeter is damaged, do not use it.
- Have the multimeter serviced by a qualified technician if it is not working properly.
Warranty
The Greenlee DM-820A multimeter is warranted to be free from defects in materials and workmanship for a period of one year from the date of purchase. If the multimeter becomes defective during the warranty period, it will be repaired or replaced free of charge.
Contact Information
Greenlee Textron 100 Greenlee Boulevard Tucson, AZ 85706 Phone: 1-800-561-8187 Website: www.greenlee.com
Additional Information
- The Greenlee DM-820A multimeter is a versatile tool that can be used for a variety of electrical measurements.
- The multimeter features a large, backlit LCD display that makes it easy to read measurements in dim conditions.
- The multimeter also includes a number of advanced features, such as true RMS AC measurements, a relative zero mode, and a data hold mode.
- The Greenlee DM-820A multimeter is a valuable tool for electricians, technicians, and hobbyists.
I hope this manual has been helpful. If you have any further questions, please do not hesitate to contact Greenlee Technical Support.
Comments
Post a Comment