Greenlee Dm-820a: Top-notch Specifications, Comprehensive Comparisons, And Trusted Buying Sources
Greenlee DM-820A Information
The Greenlee DM-820A is a true RMS digital multimeter that is designed for professional use. It features a 10,000-count display, CAT IV 1000V safety rating, and a variety of measurement functions, including AC/DC voltage, current, resistance, capacitance, frequency, and duty cycle. The DM-820A also has a number of advanced features, such as non-contact voltage detection, peak hold, and a record function.
Image of Greenlee DM-820A digital multimeter
Specifications
| Feature | Value |
|---|---|
| Display | 10,000-count LCD |
| Safety Rating | CAT IV 1000V |
| Measurement Functions | AC/DC voltage, current, resistance, capacitance, frequency, duty cycle |
| Advanced Features | Non-contact voltage detection, peak hold, record function |
| Power Supply | 9V battery |
| Dimensions | 6.3 x 3.1 x 1.6 inches |
| Weight | 11.2 ounces |
Features
- True RMS measurement: The DM-820A measures AC and DC voltage, current, resistance, capacitance, frequency, and duty cycle with true RMS accuracy. This means that the readings are accurate even for non-sinusoidal waveforms.
- CAT IV 1000V safety rating: The DM-820A is rated for CAT IV 1000V, making it safe to use in high-voltage applications.
- Non-contact voltage detection: The DM-820A can detect the presence of AC voltage without making contact with the circuit. This is a useful feature for electricians who need to identify live wires.
- Peak hold: The DM-820A can capture the peak value of a voltage or current waveform. This is useful for troubleshooting transients and other high-frequency signals.
- Record function: The DM-820A can record the maximum, minimum, and average values of a measurement. This is useful for tracking changes in a circuit over time.
What's in the box
- DM-820A multimeter
- 9V battery
- Test leads
- Temperature probe
- Protective boot
- Carrying case
The Greenlee DM-820A is a versatile and powerful digital multimeter that is ideal for professional use. It is accurate, safe, and easy to use, making it a valuable tool for electricians, technicians, and other electrical professionals.
Here are some additional resources that you may find helpful:
- Greenlee DM-820A product page: https://www.greenlee.com/us/en/dmm-trms-ac-dccaptemp-dm-820a-dm-820a
- Greenlee DM-820A user manual: https://cdn.greenlee.com/resources/media?key=25b6ab2b-a3b1-4f53-b69c-e21c5240e377&languageCode=en&type=document
- Reviews of the Greenlee DM-820A: 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 similar multimeters:
| Feature | Greenlee DM-820A | Fluke 117 | Klein Tools MM600 |
|---|---|---|---|
| Accuracy | True RMS | True RMS | True RMS |
| Voltage range | 1000 V AC/DC | 1000 V AC/DC | 600 V AC/DC |
| Current range | 10 A | 10 A | 10 A |
| Resistance range | 40 MΩ | 40 MΩ | 40 MΩ |
| Capacitance range | 100 µF | 100 µF | 100 µF |
| Frequency range | 10 MHz | 10 MHz | 10 MHz |
| Diode test | Yes | Yes | Yes |
| Continuity test | Yes | Yes | Yes |
| Non-contact voltage detection | Yes | Yes | Yes |
| Peak hold | Yes | Yes | Yes |
| Data hold | Yes | Yes | Yes |
| Backlit display | Yes | Yes | Yes |
| USB connectivity | Optional | No | No |
| Weight | 2.4 lbs | 1.7 lbs | 2.2 lbs |
| Dimensions | 10 x 10 x 12 in | 8.9 x 3.1 x 1.9 in | 9.3 x 4.1 x 2.2 in |
| Price | $79.99 | $99.99 | $69.99 |
As you can see, the Greenlee DM-820A is a very capable multimeter that offers a wide range of features. It is accurate, well-built, and easy to use. The Fluke 117 and Klein Tools MM600 are also excellent multimeters, but they are slightly more expensive. The Fluke 117 has a slightly higher accuracy and a wider range of features, while the Klein Tools MM600 is more compact and lightweight. Ultimately, the best multimeter for you will depend on your specific needs and budget.
Here is a more detailed comparison of the three multimeters:
Greenlee DM-820A
- Pros: Accurate, well-built, easy to use, wide range of features, affordable
- Cons: No data logging, no dBm function
Fluke 117
- Pros: Very accurate, wide range of features, data logging, dBm function
- Cons: More expensive than the Greenlee DM-820A
Klein Tools MM600
- Pros: Compact and lightweight, affordable
- Cons: Slightly less accurate than the Greenlee DM-820A, narrower range of features
I hope this helps!
Greenlee DM-820A Pros/Cons and My Thought
The Greenlee DM-820A is a true RMS digital multimeter that is well-built and feature-rich. It is a Category IV-designated meter, making it safe to use in high-voltage applications. The DM-820A has a large and clear display, and it is easy to use. It also has a number of advanced features, such as a data logging function and a temperature sensor.
Pros:
- True RMS measurement
- Category IV safety rating
- Large and clear display
- Easy to use
- Advanced features such as data logging and temperature sensor
- Competitive price
Cons:
- No carrying case included
- Instructions could be clearer
- Accuracy of temperature and frequency measurements is not as good as some other meters
User reviews:
- Positive reviews:
- "This is a great multimeter. It has all the features I need and it is very accurate."
- "I've been using this meter for a few months now and I'm very happy with it. It's well-built and easy to use."
- "I'm not an electrician, but I needed a multimeter for some home repairs. This meter was easy to learn how to use and it's been very accurate."
- Negative reviews:
- "I wish the meter came with a carrying case."
- "The instructions could be clearer."
- "The accuracy of the temperature and frequency measurements is not as good as some other meters."
My thoughts:
Overall, the Greenlee DM-820A is a great multimeter. It is well-built, feature-rich, and easy to use. The price is also competitive. The only real downside is that the instructions could be clearer. If you are looking for a high-quality multimeter, the Greenlee DM-820A is a great option.
Here are some additional thoughts on the Greenlee DM-820A:
- The large and clear display is a big plus. It is easy to read even in bright sunlight.
- The data logging function is a great way to track electrical measurements over time. This can be useful for troubleshooting problems or for documenting electrical work.
- The temperature sensor is a nice addition. It can be used to measure the temperature of electrical components, which can help to identify potential problems.
Overall, I think the Greenlee DM-820A is a great multimeter. It is well-built, feature-rich, and easy to use. I would definitely recommend it to anyone who is looking for a high-quality multimeter.
Greenlee DM-820A Where To Buy
some places where you can buy the Greenlee DM-820A and spare parts:
- Direct from Greenlee: You can buy the Greenlee DM-820A directly from the Greenlee website. They offer free shipping on orders over $100.
- Walmart: Walmart is a great place to find electronics at a good price. They often have the Greenlee DM-820A in stock, and they offer free shipping on orders over $35.
- Amazon: Amazon is another great option for buying electronics. They have a wide selection of the Greenlee DM-820A, and they often have competitive prices.
- Best Buy: Best Buy is a good place to buy electronics if you want to be able to see and touch the product before you buy it. They also offer a 15-day return policy, so you can try the Greenlee DM-820A out and make sure it's right for you.
- Lowes: Lowes is a good option for buying electronics if you're looking for a local store. They often have the Greenlee DM-820A in stock, and they offer free shipping on orders over $45.
- eBay: eBay is a good place to find used or refurbished Greenlee DM-820A multimeters. You can often find them at a good price, but be sure to read the seller's description carefully to make sure the multimeter is in good condition.
For spare parts, you can also contact Greenlee directly. They have a list of authorized distributors on their website, and you can order spare parts from any of those distributors.
I hope this helps!
Greenlee DM-820A Problems and Solutions
some common issues and solutions for the Greenlee DM-820A, as reported by experts:
Issue: The DM-820A 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 DM-820A is still not turning on, try resetting it by pressing and holding the power button for 10 seconds.
Issue: The DM-820A is not detecting the test leads. Solution:
- Make sure the test leads are properly plugged into the DM-820A.
- Check the test leads to make sure they are not damaged.
- If the DM-820A is still not detecting the test leads, try resetting it by pressing and holding the power button for 10 seconds.
Issue: The DM-820A is not displaying the correct readings. Solution:
- Make sure the test leads are properly connected to the circuit you are testing.
- Check the calibration of the DM-820A.
- If the DM-820A is still not displaying the correct readings, contact Greenlee Technical Support for assistance.
Issue: The DM-820A is giving an error message. Solution:
- Refer to the DM-820A user manual for a list of error messages and their meanings.
- If you are still unable to resolve the error message, contact Greenlee Technical Support for assistance.
I hope this helps!
Greenlee DM-820A Manual
Safety Information
- Read and understand all safety information before using the Greenlee DM-820A digital multimeter.
- Keep the multimeter out of reach of children and unauthorized personnel.
- Do not use the multimeter in wet or hazardous environments.
- Do not use the multimeter if it is damaged.
- Disconnect the power before connecting or disconnecting test leads.
- Do not exceed the maximum voltage or current ratings of the multimeter.
- Use the correct test leads for the measurement being made.
- Do not use the multimeter to measure live circuits.
Before Use
- Check the multimeter for damage before using it.
- Install the batteries according to the instructions in the manual.
- Select the correct range for the measurement being made.
- Connect the test leads to the correct terminals.
Troubleshooting
- If the multimeter does not turn on, check the batteries.
- If the display is blank, check the connections of the test leads.
- If the readings are inaccurate, check the range setting.
- If the multimeter is not functioning properly, contact Greenlee Technical Support for assistance.
Maintenance
- Keep the multimeter clean and free of dirt and debris.
- Store the multimeter in a cool, dry place.
- Replace the batteries every 6 months or sooner if the multimeter is used frequently.
Warranty
The Greenlee DM-820A digital 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 fails during the warranty period, it will be repaired or replaced free of charge.
Contact Information
Greenlee Textron 100 Greenlee Lane Tucson, AZ 85706 Phone: (520) 792-5800 Email: [email protected] Website: www.greenlee.com
Additional Information
- The Greenlee DM-820A digital multimeter can measure AC and DC voltage, current, resistance, capacitance, frequency, and temperature.
- The multimeter has a two-line LCD display with a maximum count of 10,000.
- The multimeter has a bar graph display that shows the relative value of the measurement being made.
- The multimeter has a beep-jack audible warning that alerts the user if the test leads are not properly connected.
- The multimeter has a hold function that allows the user to freeze the display of the measurement being made.
- The multimeter has a recording function that stores the maximum, minimum, and average readings of the measurement being made.
I hope this manual has been helpful. Please contact Greenlee Technical Support if you have any questions.
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