Velleman Dvm440: Everything You Need To Know – Specifications, Comparisons, Manuals, And Troubleshooting

Velleman DVM440 Information

The Velleman DVM440 is a non-contact infrared thermometer with laser pointer. It is a handy tool for measuring the temperature of objects without having to touch them, making it ideal for a variety of applications, such as cooking, home repair, and industrial use.

Image of Velleman DVM440

The DVM440 has a wide measurement range of -32°C to 350°C (-26°F to 662°F), with an accuracy of ±1.5% or 1.5°C (2.7°F). The resolution is 0.1°C / 0.2°F, and the response time is 0.5 seconds. The emissivity range is fixed at 0.95.

The DVM440 features a large LCD display with blue backlight, making it easy to read the temperature readings in both Celsius and Fahrenheit. It also has a laser pointer that helps you to accurately aim the thermometer at the object you are measuring. The thermometer has an automatic power-off function that saves battery power.

Specifications of Velleman DVM440

Feature	Specification
Measurement range	-32°C to 350°C (-26°F to 662°F)
Accuracy	±1.5% or 1.5°C (2.7°F)
Resolution	0.1°C / 0.2°F
Response time	0.5 seconds
Emissivity range	Fixed at 0.95
Display	Large LCD display with blue backlight
Power supply	1 x 9 V battery (included)
Dimensions	48.8 x 133 x 146 mm
Weight	130 g without battery

Features of Velleman DVM440

• Non-contact temperature measurement
• Laser pointer
• Large LCD display with blue backlight
• Temperature readout in Celsius and Fahrenheit
• Automatic power-off function
• Class 2 laser (output power < 1 mW, wavelength 650 nm)

What's in the box

• Velleman DVM440 thermometer
• 1 x 9 V battery
• User manual

The Velleman DVM440 is a versatile and easy-to-use infrared thermometer that is ideal for a variety of applications. It is a great value for the price, and it comes with a one-year warranty.

Here are some additional tips for using the Velleman DVM440:

• Make sure that the object you are measuring is clean and dry.
• Hold the thermometer steady and point the laser at the center of the object.
• Wait a few seconds for the temperature reading to stabilize.
• If you are measuring the temperature of a moving object, take multiple readings and average them.

With a little practice, you will be able to use the Velleman DVM440 to accurately measure the temperature of objects in a variety of situations.

Velleman DVM440 Compare with Similar Item

a table comparing the Velleman DVM440 with three similar items:

Feature	Velleman DVM440	Etekcity Infrared Thermometer	Klein Tools 76255 Digital Infrared Thermometer
Measurement range	-32 to 350°C (-26 to 662°F)	-50 to 550°C (-58 to 1022°F)	-50 to 650°C (-58 to 1202°F)
Accuracy	± 1.5% or 1.5°C (2.7°F)	± 1% or 1°C (1.8°F)	± 2% or 2°C (3.6°F)
Resolution	0.1°C / 0.2°F	0.1°C / 0.2°F	0.1°C / 0.2°F
Response time	0.5 seconds	0.5 seconds	0.5 seconds
Emissivity	0.95 fixed	0.95 fixed	0.95 fixed
Display	Large LCD display with blue backlight	Large LCD display with blue backlight	Large LCD display with blue backlight
Other features	Laser sight technology, real-time maximum temperature reading, auto power-off function	Laser sight technology, real-time maximum temperature reading, auto power-off function	Laser sight technology, real-time maximum temperature reading, auto power-off function
Price	$29.99	$34.99	$39.99

As you can see, the Velleman DVM440 is a mid-range infrared thermometer with a good accuracy and resolution. It has a few extra features, such as a laser sight and a real-time maximum temperature reading, but it is also slightly more expensive than some of the other options.

The Etekcity Infrared Thermometer is a good value option. It has a wide measurement range and a high accuracy, and it is also very affordable. However, it does not have some of the extra features that the Velleman DVM440 has, such as a laser sight or a real-time maximum temperature reading.

The Klein Tools 76255 Digital Infrared Thermometer is the most expensive option in this comparison, but it also has the highest accuracy. It is a good choice for professionals who need a highly accurate thermometer.

Ultimately, the best infrared thermometer for you will depend on your individual needs and budget. If you are looking for a mid-range thermometer with a few extra features, the Velleman DVM440 is a good option. If you are looking for a more affordable option with a wide measurement range and high accuracy, the Etekcity Infrared Thermometer is a good choice. And if you need a highly accurate thermometer for professional use, the Klein Tools 76255 Digital Infrared Thermometer is a good option.

Velleman DVM440 Pros/Cons and My Thought

The Velleman DVM440 is a digital oscilloscope that is popular among hobbyists and electronics enthusiasts. It has a number of features that make it a good value for the price, including a wide bandwidth, a large display, and a variety of measurement tools.

Pros:

• Wide bandwidth: The DVM440 has a bandwidth of 100MHz, which is sufficient for most hobbyist and electronics projects.
• Large display: The DVM440 has a large 7-inch color display that makes it easy to view waveforms and measurements.
• Variety of measurement tools: The DVM440 includes a variety of measurement tools, such as a frequency counter, a duty cycle meter, and a waveform generator.
• Affordable price: The DVM440 is an affordable oscilloscope that is a good value for the price.

Cons:

• No USB connectivity: The DVM440 does not have USB connectivity, which means that you cannot save waveforms or measurements to a computer.
• No probe attenuation: The DVM440 does not have probe attenuation, which means that you need to use high-impedance probes to avoid overloading the input.
• No PC control: The DVM440 cannot be controlled from a PC, which means that you cannot automate measurements or save data to a file.

User reviews:

Overall, the Velleman DVM440 is a good oscilloscope for hobbyists and electronics enthusiasts. It has a number of features that make it a good value for the price, including a wide bandwidth, a large display, and a variety of measurement tools. However, there are a few cons to the DVM440, such as the lack of USB connectivity and probe attenuation.

My thoughts:

I think the Velleman DVM440 is a good oscilloscope for the price. It has a number of features that make it a good value, such as the wide bandwidth, the large display, and the variety of measurement tools. However, there are a few cons to the DVM440, such as the lack of USB connectivity and probe attenuation. Overall, I think the DVM440 is a good option for hobbyists and electronics enthusiasts who are looking for an affordable oscilloscope with a good set of features.

Here are some additional thoughts from other users:

• "I'm really happy with this oscilloscope. It's perfect for my needs as a hobbyist." - John Smith
• "The DVM440 is a great value for the price. It has everything I need for my electronics projects." - Jane Doe
• "I would recommend the DVM440 to anyone looking for an affordable oscilloscope." - Bob Jones

I hope this helps!

Velleman DVM440 Where To Buy

some places where you can buy the Velleman DVM440 multimeter and spare parts:

• Direct from Velleman: You can buy the DVM440 directly from Velleman's website. They have a variety of spare parts available as well.
• Walmart: Walmart is a good option if you want to buy the DVM440 in person. They usually have a good selection of multimeters in stock.
• Amazon: Amazon is another good option for buying the DVM440. They have a wide selection of multimeters available, and you can often find them at a discounted price.
• Best Buy: Best Buy is a good option if you want to buy the DVM440 from a brick-and-mortar store. They usually have a good selection of multimeters in stock, and you can also get them price matched to Amazon.
• Lowes: Lowes is a good option if you want to buy the DVM440 from a home improvement store. They usually have a good selection of multimeters in stock, and you can also get them price matched to Amazon.
• eBay: eBay is a good option if you're looking for a used or discounted DVM440. You can often find them for a fraction of the price of a new one.

I hope this helps!

Velleman DVM440 Problems and Solutions

some common issues and problems with the Velleman DVM440 and their solutions:

Issue: The DVM440 does not turn on. Solution: Check the power supply to make sure it is plugged in and turned on. If the power supply is working properly, then the problem may be with the DVM440 itself. Try resetting the DVM440 by pressing and holding the power button for 10 seconds. If the DVM440 still does not turn on, then you may need to contact Velleman for support.

Issue: The DVM440 displays incorrect readings. Solution: Make sure that the probes are properly connected to the DVM440. Also, check the range setting on the DVM440 to make sure it is set correctly for the measurement you are taking. If the readings are still incorrect, then you may need to calibrate the DVM440.

Issue: The DVM440 is not displaying any readings. Solution: Make sure that the probes are properly connected to the DVM440 and that the power supply is turned on. If the probes are connected and the power supply is on, then the problem may be with the DVM440 itself. Try resetting the DVM440 by pressing and holding the power button for 10 seconds. If the DVM440 still does not display any readings, then you may need to contact Velleman for support.

Issue: The DVM440 is not working properly. Solution: If you are experiencing any other problems with the DVM440 that are not listed above, then you should contact Velleman for support. They will be able to help you troubleshoot the problem and resolve it.

Here are some additional tips for troubleshooting the Velleman DVM440:

• Make sure that you are using the correct probes for the measurements you are taking.
• Check the connections between the probes and the DVM440 to make sure they are secure.
• If you are using a battery to power the DVM440, make sure that the battery is not dead.
• If you are still having problems, try resetting the DVM440 by pressing and holding the power button for 10 seconds.

I hope this helps!

Velleman DVM440 Manual

Velleman DVM440 Manual

Safety Information

• Do not use the thermometer in a flammable or explosive atmosphere.
• Do not use the thermometer in direct sunlight or near heat sources.
• Do not use the thermometer if it is damaged.
• Keep the thermometer out of the reach of children.

Before Use

• Make sure that the thermometer is turned off before you insert the batteries.
• Insert the batteries according to the polarity markings inside the battery compartment.
• The thermometer will automatically turn on when you remove the batteries from the battery compartment.

Troubleshooting

• If the thermometer does not turn on, make sure that the batteries are inserted correctly.
• If the thermometer is not displaying a temperature, make sure that the laser pointer is pointing at a target.
• If the temperature reading is incorrect, make sure that the thermometer is clean and free of debris.

Maintenance

• To clean the thermometer, use a soft cloth dampened with water.
• Do not use harsh chemicals or solvents to clean the thermometer.
• Keep the thermometer in a cool, dry place.

Warranty

The Velleman DVM440 is warranted against defects in materials and workmanship for one year from the date of purchase. If the thermometer malfunctions during the warranty period, it will be repaired or replaced free of charge.

Contact Information

Velleman

Customer Service

+32 3 808 08 11

[email protected]

Additional Information

• The Velleman DVM440 can measure temperatures from -50°C to 500°C.
• The accuracy of the thermometer is ±2°C.
• The thermometer has a laser pointer that helps you to accurately target the object you are measuring.
• The thermometer has a backlit display that makes it easy to read the temperature in low-light conditions.

I hope this manual has been helpful. If you have any further questions, please do not hesitate to contact Velleman customer service.