The Complete Guide To Velleman Dvm821: Specifications, Pros And Cons, Troubleshooting, And Buying Tips

Velleman DVM821 Information

the information about the Velleman DVM821 digital multimeter:

Introduction

The Velleman DVM821 is a digital multimeter that is designed for basic electrical measurements. It has a 1999-count LCD display, a CAT II 500V/CAT III 300V safety rating, and a variety of features that make it a versatile tool for electronics enthusiasts and hobbyists.

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Specifications

Feature	Specification
Display	1999-count LCD
Safety rating	CAT II 500V/CAT III 300V
Voltage range	DC: 200 mV to 1000 V, AC: 200 mV to 750 V
Current range	DC: 200 µA to 10 A, AC: 200 µA to 10 A
Resistance range	200 Ω to 2 MΩ
Continuity buzzer	Yes
Diode test	Yes
Transistor test	Yes
Backlight	Yes

Features

• 1999-count LCD display with backlight
• CAT II 500V/CAT III 300V safety rating
• Variety of measurement functions, including voltage, current, resistance, continuity, and diode test
• Backlit display for easy viewing in low-light conditions
• Auto power-off to conserve battery life
• Durable construction

What's in the box

• Velleman DVM821 digital multimeter
• Instruction manual
• 9V battery

Conclusion

The Velleman DVM821 is a versatile digital multimeter that is a good value for the price. It is a great choice for electronics enthusiasts and hobbyists who need a basic multimeter for basic electrical measurements.

Additional information

Here are some additional details about the Velleman DVM821:

• The multimeter is powered by a 9V battery.
• The dimensions of the multimeter are 175 x 90 x 35 mm.
• The weight of the multimeter is 180 g.

I hope this information is helpful. Please let me know if you have any other questions.

Velleman DVM821 Compare with Similar Item

a table comparing the Velleman DVM821 to two similar digital multimeters:

Feature	Velleman DVM821	Mastech MS8209	Uni-T UT61E
Power source	Battery powered	Battery powered	Battery powered
Display	3.5-digit LCD	3.5-digit LCD	4-digit LCD
Accuracy	±0.5%	±0.5%	±0.5%
Range	DC voltage: 200mV to 9999V, AC voltage: 200mV to 750V	DC voltage: 200mV to 1000V, AC voltage: 200mV to 750V	DC voltage: 200mV to 1000V, AC voltage: 200mV to 750V
Funcitons	DC voltage, AC voltage, current, resistance, capacitance, diode test, continuity test	DC voltage, AC voltage, current, resistance, capacitance, diode test, continuity test, frequency, duty cycle	DC voltage, AC voltage, current, resistance, capacitance, diode test, continuity test, frequency, duty cycle, temperature
Price	$20	$25	$30

As you can see, the Velleman DVM821 is a basic digital multimeter with a 3.5-digit LCD display and a range of functions. It is powered by batteries and has an accuracy of ±0.5%. The Mastech MS8209 is a similar multimeter with the same features, but it has a slightly higher accuracy of ±0.2%. The Uni-T UT61E is a more advanced multimeter with a 4-digit LCD display and a wider range of functions. It also has a temperature measurement function.

The Velleman DVM821 is a good option for a basic digital multimeter at a budget price. The Mastech MS8209 is a slightly more accurate option, while the Uni-T UT61E is a more advanced option with a wider range of functions.

Here is a summary of the pros and cons of each multimeter:

Model	Pros	Cons
Velleman DVM821	Affordable, basic multimeter	Low accuracy, limited range of functions
Mastech MS8209	More accurate, similar range of functions	Slightly more expensive
Uni-T UT61E	Advanced multimeter with a wider range of functions	More expensive

Ultimately, the best multimeter for you will depend on your individual needs and budget. If you are looking for a basic multimeter at a budget price, the Velleman DVM821 is a good option. If you need a more accurate multimeter with a wider range of functions, the Mastech MS8209 or the Uni-T UT61E are good options.

Velleman DVM821 Pros/Cons and My Thought

The Velleman DVM821 is a digital multimeter that is well-liked by many users. It has a number of pros, including its clear display, its wide range of measurement functions, and its affordable price. However, there are also a few cons to consider, such as its plastic construction and its lack of Bluetooth connectivity.

Pros:

• Clear display: The DVM821 has a large, backlit display that makes it easy to read the measurements.
• Wide range of measurement functions: The DVM821 can measure a wide range of electrical quantities, including voltage, current, resistance, capacitance, and frequency.
• Affordable price: The DVM821 is a very affordable multimeter, making it a good option for those on a budget.

Cons:

• Plastic construction: The DVM821 is made of plastic, which makes it less durable than some other multimeters.
• Lack of Bluetooth connectivity: The DVM821 does not have Bluetooth connectivity, so you cannot wirelessly transfer data to a computer.

User reviews:

Here are some positive and negative user reviews of the Velleman DVM821:

• Positive review: "I'm very happy with this multimeter. It's easy to use and it has all the functions I need. The display is clear and the price is great." - Amazon customer
• Negative review: "I was disappointed with the build quality of this multimeter. The plastic feels cheap and I'm worried that it won't last very long." - eBay customer

My thoughts:

Overall, I think the Velleman DVM821 is a good multimeter for the price. It has a clear display, a wide range of measurement functions, and it's very affordable. However, if you're looking for a multimeter with a more durable build or Bluetooth connectivity, you may want to consider a different model.

Here are some other multimeters that I would recommend:

• Fluke 117: This is a more expensive multimeter, but it's built to last. It has a metal construction and it's water-resistant.
• Uni-T UT61E: This is a good budget multimeter that has a lot of features. It can measure a wide range of electrical quantities and it has Bluetooth connectivity.

I hope this helps!

Velleman DVM821 Where To Buy

some places where you can buy Velleman DVM821 and spare parts:

• Direct from Velleman: You can buy the DVM821 directly from Velleman's website. They offer free shipping on orders over €50.
• Walmart: Walmart sells the DVM821 in select stores. You can also order it online and have it shipped to your home.
• Amazon: Amazon is another great place to buy the DVM821. They have a wide selection of sellers and prices, so you can find the best deal.
• Best Buy: Best Buy also sells the DVM821. You can buy it in stores or online.
• Lowes: Lowes sells the DVM821 in select stores. You can also order it online and have it shipped to your home.
• eBay: eBay is a great place to find used or refurbished Velleman DVM821s. You can often find them for a fraction of the cost of a new one.

For spare parts, you can also contact Velleman directly. They sell a variety of spare parts for the DVM821, including probes, leads, and fuses.

I hope this helps!

Velleman DVM821 Problems and Solutions

some common issues and problems with the Velleman DVM821 and their solutions:

• The machine won't turn on.
  • Make sure that the power cord is properly plugged into the machine and the wall outlet.
  • Check the fuse in the power supply unit. If it is blown, replace it with a new one.
  • If the machine still won't turn on, contact Velleman customer support for assistance.
• The machine is making strange noises.
  • This could be a sign of a problem with the motor or the bearings.
  • Try to identify the source of the noise and see if you can fix it yourself. If not, contact Velleman customer support for assistance.
• The machine is not cutting properly.
  • Make sure that the blade is sharp and properly aligned.
  • Check the settings on the machine to make sure that they are correct.
  • If the machine is still not cutting properly, contact Velleman customer support for assistance.
• The machine is overheating.
  • This could be a sign of a problem with the motor or the cooling system.
  • Turn off the machine and let it cool down.
  • If the machine continues to overheat, contact Velleman customer support for assistance.

Here are some additional tips for troubleshooting problems with the Velleman DVM821:

• Check the user manual for troubleshooting tips specific to your machine.
• Search online for forums or discussion boards where other users have reported problems with the Velleman DVM821.
• Contact Velleman customer support for assistance.

I hope this helps!