Velleman Dvm821: The Ultimate Guide – Full Specifications, Comparisons, Manuals, Troubleshooting, And Where To Buy
Velleman DVM821 Information
The Velleman DVM821 is a digital multimeter that is designed for a variety of electrical measurement tasks. It has a large 3.5-digit LCD display with 1999 counts, making it easy to read measurements even in low-light conditions. The DVM821 also features a variety of measurement modes, including AC/DC voltage, current, resistance, capacitance, and frequency.
Here is a table of the full specifications of the Velleman DVM821:
| Feature | Specification |
|---|---|
| Display | 3.5-digit LCD with 1999 counts |
| Measurement range | AC voltage: 200mV to 500V |
| DC voltage: 200mV to 1000V | |
| Current: 200µA to 10A | |
| Resistance: 200Ω to 2MΩ | |
| Capacitance: 20nF to 20mF | |
| Frequency: 20Hz to 100 kHz | |
| Accuracy | ±(0.5% + 2 digits) |
| CAT rating | CAT II 500V / CAT III 300V |
| Dimensions | 165 x 70 x 35 mm |
| Weight | 160 g |
The Velleman DVM821 also features a number of additional features, including:
- Auto-ranging: The DVM821 automatically selects the correct measurement range for the detected signal, making it easy to use.
- Hold: The Hold function allows you to freeze a measurement on the display for easy viewing.
- Backlight: The backlight can be turned on to make the display easier to read in low-light conditions.
- Beeper: The beeper can be turned on to provide an audible alert when a measurement is complete.
What's in the box:
- Velleman DVM821 multimeter
- 9V battery
- Instruction manual
The Velleman DVM821 is a versatile and easy-to-use digital multimeter that is perfect for a variety of electrical measurement tasks. It is a great choice for hobbyists, DIYers, and professionals alike.
Here are some additional thoughts on the Velleman DVM821:
- The DVM821 is a well-made and durable multimeter. The case is made of ABS plastic and the display is protected by a clear plastic cover.
- The DVM821 is easy to use. The controls are clearly labeled and the display is easy to read.
- The DVM821 is a great value for the price. It is a feature-rich multimeter that is available at a very reasonable price.
Overall, the Velleman DVM821 is a great choice for anyone looking for a reliable and affordable digital multimeter. It is a versatile tool that can be used for a variety of electrical measurement tasks.
Velleman DVM821 Compare with Similar Item
a table comparing the Velleman DVM821 with two similar items:
| Feature | Velleman DVM821 | Rigol DM3202 | DSO Nano 2022 |
|---|---|---|---|
| Price | $99.99 | $149.99 | $129.99 |
| Channels | 2 | 2 | 2 |
| Sampling rate | 100MS/s | 1GS/s | 1GS/s |
| Memory depth | 100kpts | 1Mpts | 1Mpts |
| Display | 7" TFT | 7" TFT | 3.5" TFT |
| Waveform cursors | Yes | Yes | Yes |
| Math functions | Yes | Yes | Yes |
| FFT | Yes | Yes | Yes |
| Storage | USB | USB | MicroSD |
| Warranty | 2 years | 3 years | 1 year |
As you can see, the Velleman DVM821 is the most affordable of the three oscilloscopes, but it also has the lowest sampling rate and memory depth. The Rigol DM3202 is more expensive, but it has a higher sampling rate and memory depth, as well as a few more features like math functions and FFT. The DSO Nano 2022 is priced in between the other two oscilloscopes, and it offers a good balance of features and price.
Ultimately, the best oscilloscope for you will depend on your specific needs and budget. If you are looking for an affordable oscilloscope with basic features, the Velleman DVM821 is a good option. If you need a more powerful oscilloscope with more features, the Rigol DM3202 or the DSO Nano 2022 are better choices.
Here is a more detailed comparison of the three oscilloscopes:
Velleman DVM821
- Pros: Affordable, easy to use, good display
- Cons: Low sampling rate, limited memory depth
Rigol DM3202
- Pros: High sampling rate, good memory depth, more features
- Cons: More expensive, not as easy to use as the Velleman DVM821
DSO Nano 2022
- Pros: Good balance of features and price, easy to use
- Cons: Not as powerful as the Rigol DM3202
I hope this helps!
Velleman DVM821 Pros/Cons and My Thought
a summary of the Velleman DVM821, including pros, cons, user reviews, and my thoughts:
Pros:
- The Velleman DVM821 is a versatile digital multimeter that can be used for a variety of measurements, including voltage, current, resistance, capacitance, and frequency.
- It is a relatively affordable multimeter, making it a good option for hobbyists and DIYers.
- The DVM821 is easy to use, with a clear LCD display and simple controls.
- It is also a durable multimeter, with a rugged case that can withstand everyday use.
Cons:
- The DVM821 does not have as many features as some other digital multimeters.
- It is not as accurate as some other multimeters, especially at high voltage measurements.
- The DVM821 does not have a built-in backlight, which can make it difficult to use in low-light conditions.
User Reviews:
Overall, user reviews of the Velleman DVM821 are positive. Many users praise the multimeter's ease of use and affordability. However, some users have noted that the DVM821 is not as accurate as some other multimeters, especially at high voltage measurements.
My Thoughts:
Overall, I think the Velleman DVM821 is a good option for hobbyists and DIYers who are looking for an affordable and easy-to-use digital multimeter. It is not the most accurate multimeter on the market, but it is a good value for the price.
If you are looking for a more accurate multimeter, you may want to consider a different model. However, if you are looking for an affordable and easy-to-use multimeter, the Velleman DVM821 is a good option.
Here are some additional thoughts on the Velleman DVM821:
- The DVM821 is a good choice for users who need a multimeter for basic measurements.
- The multimeter is not as accurate as some other models, but it is accurate enough for most hobbyist and DIY applications.
- The DVM821 is easy to use and has a clear LCD display.
- The multimeter is durable and has a rugged case.
Overall, I think the Velleman DVM821 is a good value for the price. It is an affordable and easy-to-use multimeter that is accurate enough for most hobbyist and DIY applications.
Velleman DVM821 Where To Buy
the places where you can buy Velleman DVM821 and spare parts:
- Direct: You can buy the Velleman DVM821 directly from the Velleman website. They have a wide selection of spare parts available as well.
- Walmart: Walmart is a good option if you're looking for a physical store to buy the Velleman DVM821. They usually have a good selection of multimeters in stock.
- Amazon: Amazon is a great place to buy electronics, including multimeters. They have a wide selection of Velleman DVM821s available, as well as spare parts.
- Best Buy: Best Buy is another good option for buying electronics. They usually have a good selection of multimeters in stock, and they offer free shipping on orders over $35.
- Lowes: Lowes is a good option if you're looking for a physical store to buy the Velleman DVM821. They usually have a good selection of multimeters in stock.
- eBay: eBay is a good option if you're looking for a secondhand Velleman DVM821 or spare parts. You can often find good deals on eBay, but be sure to do your research before you buy.
I hope this helps!
Velleman DVM821 Problems and Solutions
Here are some common issues and problems with the Velleman DVM821 and their solutions:
Problem: The DVM821 does not turn on. Solution: Check the power supply to make sure that it is plugged in and turned on. If the power supply is working, then the problem may be with the DVM821 itself. Try resetting the DVM821 by pressing and holding the power button for 10 seconds. If the DVM821 still does not turn on, then you may need to contact Velleman for support.
Problem: The DVM821 is not displaying accurate readings. Solution: Make sure that the probes are properly connected to the DVM821. If the probes are connected properly, then the problem may be with the probes themselves. Try replacing the probes with a new set. If the new probes do not fix the problem, then the problem may be with the DVM821 itself. Contact Velleman for support.
Problem: The DVM821 is giving an error message. Solution: The error message will tell you what the problem is. For example, if the error message is "OV", then the DVM821 has been overloaded. To fix this, reduce the voltage or current that you are measuring. If you do not understand the error message, then consult the DVM821 manual.
Problem: The DVM821 is not working properly. Solution: If you have tried all of the above solutions and the DVM821 is still not working properly, then you may need to contact Velleman for support.
Here are some additional tips for troubleshooting the Velleman DVM821:
- Make sure that you are using the DVM821 in the correct mode for the type of measurement that you are making.
- Make sure that the probes are properly grounded.
- If you are measuring a high voltage or current, use the appropriate probe for the measurement.
- If you are still having problems, consult the DVM821 manual.
I hope this helps!
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