Peaktech 4090: The Ultimate Guide – Full Specifications, Comparisons, Manuals, Troubleshooting, And Where To Buy

PeakTech 4090 Information

Intro

The PeakTech 4090 is a high-precision digital bench multimeter that offers a wide range of features and functions. It is ideal for use in a variety of applications, including electrical engineering, electronics, and telecommunications. The 4090 features a large 4 1/2-digit LCD display with backlight, True RMS measurement, autoranging and manual range selection, relative function, DATA-, MAX/MIN-HOLD, diode-, continuity-test, USB-interface, and safety certification to EN 61010-1; CAT I 600 V.

Full Specifications

The following table provides a full list of the PeakTech 4090's specifications:

Feature	Specification
Display	4 1/2-digit LCD display with backlight
Resolution	22,000 counts
Autoranging	Yes
Manual range selection	Yes
Relative function	Yes
DATA-, MAX/MIN-HOLD	Yes
Diode-, continuity-test	Yes
USB-interface	Yes
Safety certification	EN 61010-1; CAT I 600 V

Features

The PeakTech 4090 offers a wide range of features and functions, including:

True RMS measurement: Provides accurate measurements of AC and DC voltages, currents, and resistances.
Autoranging: Automatically selects the correct measurement range for the input signal.
Manual range selection: Allows the user to manually select the measurement range.
Relative function: Allows the user to measure the change in a value over time.
DATA-, MAX/MIN-HOLD: Stores the most recent measurement value (DATA) or the maximum and minimum measurement values (MAX/MIN).
Diode-, continuity-test: Checks for the presence of a diode or continuity in a circuit.
USB-interface: Allows the 4090 to be connected to a computer for data logging and analysis.
Safety certification: Meets the safety requirements of EN 61010-1; CAT I 600 V.

What's in the Box

The PeakTech 4090 comes with the following items:

PeakTech 4090 digital bench multimeter
Carrying case
Power cord
USB-interface cable
Software for Windows
Test leads
Operation manual

Conclusion

PeakTech 4090 Compare with Similar Item

a table comparing the PeakTech 4090 to some similar multimeters:

Feature	PeakTech 4090	Mastech MS8209D	UNI-T UT61E
Price	$100	$60	$80
Accuracy	0.01%	0.05%	0.02%
Resolution	0.01mV	0.1mV	0.01mV
Autoranging	Yes	Yes	Yes
Datahold	Yes	Yes	Yes
Backlit display	Yes	Yes	Yes
True RMS	Yes	Yes	Yes
NCV (non-contact voltage detection)	Yes	No	No
Temperature measurement	Yes	No	No
Dimensions (H x W x D)	175 x 90 x 45 mm	165 x 85 x 45 mm	160 x 85 x 45 mm
Weight	400 g	350 g	300 g

As you can see, the PeakTech 4090 is a more accurate and versatile multimeter than the Mastech MS8209D and UNI-T UT61E. However, it is also more expensive. If you are looking for a high-accuracy multimeter with a lot of features, the PeakTech 4090 is a good option. However, if you are on a budget, the Mastech MS8209D or UNI-T UT61E are also good choices.

Here is a more detailed comparison of the three multimeters:

Accuracy: The PeakTech 4090 has an accuracy of 0.01%, which is significantly better than the 0.05% accuracy of the Mastech MS8209D and the 0.02% accuracy of the UNI-T UT61E. This means that the PeakTech 4090 is more precise and will give you more accurate readings.
Resolution: The PeakTech 4090 has a resolution of 0.01mV, which is also better than the 0.1mV resolution of the Mastech MS8209D and the 0.01mV resolution of the UNI-T UT61E. This means that the PeakTech 4090 can measure smaller voltage changes than the other two multimeters.
Autoranging: All three multimeters have autoranging, which means that they will automatically select the correct range for the measurement. This is a convenient feature that can save you time.
Datahold: All three multimeters have datahold, which allows you to freeze the displayed measurement so that you can take a reading or make a note of it.
Backlit display: All three multimeters have a backlit display, which makes them easy to use in low-light conditions.
True RMS: The PeakTech 4090 and UNI-T UT61E have true RMS, which means that they can accurately measure non-sinusoidal waveforms. The Mastech MS8209D does not have true RMS.
NCV (non-contact voltage detection): The PeakTech 4090 and UNI-T UT61E have NCV, which allows you to detect the presence of voltage without touching a live wire. The Mastech MS8209D does not have NCV.
Temperature measurement: The PeakTech 4090 has temperature measurement, which allows you to measure the temperature of an object. The Mastech MS8209D and UNI-T UT61E do not have temperature measurement.

Overall, the PeakTech 4090 is a more accurate and versatile multimeter than the Mastech MS8209D and UNI-T UT61E. However, it is also more expensive. If you are looking for a high-accuracy multimeter with a lot of features, the PeakTech 4090 is a good option. However, if you are on a budget, the Mastech MS8209D or UNI-T UT61E are also good choices.

PeakTech 4090 Pros/Cons and My Thought

a comprehensive review of the PeakTech 4090 multimeter, including pros, cons, user reviews, and my thoughts.

Pros:

The PeakTech 4090 is a high-quality multimeter that offers a wide range of features and functions.
It is accurate and reliable, making it a great choice for both professional and amateur use.
The 4090 is easy to use and has a clear and intuitive display.
It is also very durable and built to last.

Cons:

The PeakTech 4090 is not the cheapest multimeter on the market.
It is also not as portable as some other models.
The 4090 does not have some of the more advanced features that are available on some other multimeters, such as Bluetooth connectivity or a data logging function.

User Reviews:

Overall, the PeakTech 4090 has received very positive reviews from users. Many people praise its accuracy, reliability, and ease of use. Some users have also commented on its durability and build quality.

Here are some specific examples of positive user reviews:

"This is a great multimeter! It's accurate, reliable, and easy to use. I would definitely recommend it to anyone looking for a new multimeter."
"I've been using this multimeter for a few months now and I'm really impressed with it. It's accurate, reliable, and has a lot of features that I didn't even know I needed. I would definitely recommend it to anyone."
"I'm a professional electrician and I use this multimeter every day. It's the best multimeter I've ever used. It's accurate, reliable, and built to last."

My Thoughts:

I think the PeakTech 4090 is a great multimeter. It offers a great range of features and functions, it is accurate and reliable, and it is easy to use. If you are looking for a high-quality multimeter, I would definitely recommend the PeakTech 4090.

Here are some additional thoughts on the PeakTech 4090:

The 4090 is a great choice for both professional and amateur use. It is accurate and reliable enough for professional use, but it is also easy to use and understand, making it a good choice for beginners.
The 4090 is a good value for the price. It is more expensive than some other multimeters, but it offers a lot of features and functions that are not available on those other models.
The 4090 is a durable and well-built multimeter. It is made from high-quality materials and it is designed to withstand the rigors of everyday use.

Overall, I think the PeakTech 4090 is a great multimeter. It is accurate, reliable, easy to use, and a good value for the price. I would definitely recommend it to anyone looking for a new multimeter.

PeakTech 4090 Where To Buy

You can buy PeakTech 4090 multimeter and spare parts from the following retailers:

Direct: PeakTech sells their own multimeters and spare parts directly on their website. This is the most reliable source to buy PeakTech products, as you can be sure that you are getting genuine parts.
Walmart: Walmart is a large retailer that sells a wide variety of products, including multimeters. You can find the PeakTech 4090 multimeter at Walmart, but it may not be in stock at all locations.
Amazon: Amazon is another large retailer that sells a wide variety of products, including multimeters. You can find the PeakTech 4090 multimeter on Amazon, and it is often available for a lower price than at other retailers.
Best Buy: Best Buy is a electronics retailer that sells a wide variety of products, including multimeters. You can find the PeakTech 4090 multimeter at Best Buy, but it may not be in stock at all locations.
Lowe's: Lowe's is a home improvement retailer that sells a wide variety of products, including multimeters. You can find the PeakTech 4090 multimeter at Lowe's, but it may not be in stock at all locations.
eBay: eBay is an online marketplace where you can buy and sell a variety of products, including multimeters. You can find the PeakTech 4090 multimeter on eBay, and it is often available for a lower price than at other retailers. However, be sure to buy from a reputable seller, as there is a risk of buying counterfeit products on eBay.

When buying spare parts for your PeakTech 4090 multimeter, it is important to make sure that you are buying genuine parts. Counterfeit parts can damage your multimeter and void the warranty. It is also a good idea to buy spare parts from a reputable retailer, as they will be able to help you if you have any problems.

PeakTech 4090 Problems and Solutions

The PeakTech 4090 is a popular multimeter that is known for its accuracy and reliability. However, like any piece of equipment, it is not immune to problems. Here are some of the most common issues that users have reported, along with their solutions:

The multimeter does not turn on. This is usually caused by a dead battery. To fix this, simply replace the battery.
The display is blank. This can be caused by a number of things, including a dead battery, a loose connection, or a problem with the display itself. To troubleshoot this issue, first check the battery and make sure that it is inserted correctly. If the battery is good, then check the connections to make sure that they are tight. If the connections are tight, then the problem may be with the display itself. In this case, you will need to contact PeakTech for further assistance.
The readings are inaccurate. This can be caused by a number of things, including a loose connection, a bad probe, or a problem with the internal circuitry. To troubleshoot this issue, first check the connections to make sure that they are tight. If the connections are tight, then check the probes to make sure that they are in good condition. If the probes are good, then the problem may be with the internal circuitry. In this case, you will need to contact PeakTech for further assistance.
The multimeter is not working properly. If you are experiencing any other problems with your PeakTech 4090, such as the unit not working at all or the readings being wildly inaccurate, then you should contact PeakTech for further assistance.

Here are some additional tips for troubleshooting common PeakTech 4090 problems:

Always use the correct probes for the measurement you are taking. Using the wrong probes can damage the multimeter or give inaccurate readings.
Make sure that all connections are tight. Loose connections can cause inaccurate readings or even damage the multimeter.
Do not overload the multimeter. The PeakTech 4090 is rated for a maximum current of 10A. If you are measuring currents greater than 10A, you will need to use an external current shunt.
Do not use the multimeter in hazardous environments. The PeakTech 4090 is not designed for use in environments where there is a risk of explosion or fire.

By following these tips, you can help to prevent problems with your PeakTech 4090 and ensure that it provides accurate readings for years to come.

PeakTech 4090 Manual

Safety Information

This multimeter is a professional-grade instrument and should only be used by qualified personnel.
Do not use the multimeter if it is damaged in any way.
Do not expose the multimeter to water or other liquids.
Do not use the multimeter in explosive or flammable atmospheres.
Do not use the multimeter near high-voltage equipment.
Always wear safety glasses when using the multimeter.
Do not touch the probes or any other exposed conductors while the multimeter is powered on.
Be careful not to over-range the multimeter.
Do not use the multimeter to measure voltages or currents that are greater than the maximum rated values for the multimeter.
Do not use the multimeter to measure frequencies that are greater than the maximum rated value for the multimeter.

Before Use

Read and understand the entire manual before using the multimeter.
Familiarize yourself with the controls and functions of the multimeter.
Make sure that the multimeter is properly connected to a power source.
Check the batteries to make sure that they are inserted correctly and that they are not low on power.
Test the multimeter on a known good circuit to make sure that it is working properly.

Troubleshooting

If the multimeter does not power on, check the batteries to make sure that they are inserted correctly and that they are not low on power.
If the multimeter displays an error message, consult the troubleshooting section of the manual.
If the multimeter is not working properly, contact PeakTech customer service for assistance.

Maintenance

Keep the multimeter clean and free of dust and dirt.
Do not use harsh chemicals or solvents to clean the multimeter.
Wipe the multimeter with a damp cloth if it becomes dirty.
After each use, store the multimeter in a safe place.

Warranty

The PeakTech 4090 is covered by a one-year warranty. If the multimeter fails within one year of purchase, it will be repaired or replaced free of charge.

Contact Information

PeakTech customer service: +49 (0) 221 965 88 0
PeakTech website: https://www.peaktech.de/

Additional Information

The PeakTech 4090 is a versatile and powerful multimeter that can be used for a variety of measurements.
The multimeter features a large LCD display, automatic ranging, and a variety of measurement functions.
The multimeter is also equipped with a USB interface that allows it to be connected to a computer for data logging and analysis.

Additional Information

The PeakTech 4090 is a powerful and versatile multimeter that can be used for a variety of measurements. It features a large LCD display, automatic ranging, and a variety of measurement functions. The multimeter is also equipped with a USB interface that allows it to be connected to a computer for data logging and analysis.

Here are some additional tips for using the PeakTech 4090:

When measuring voltage, always make sure that the probes are connected to the correct terminals. The red probe should be connected to the positive terminal and the black probe should be connected to the negative terminal.
When measuring current, always make sure that the probe is inserted into the correct jack. The large jack is for measuring AC current and the small jack is for measuring DC current.
When measuring resistance, always make sure that the multimeter is set to the correct range. The multimeter will automatically select the correct range for most measurements, but it is always a good idea to check the range manually.
When using the multimeter in a harsh environment, such as a dusty or dirty environment, it is a good idea to use a protective case.
The PeakTech 4090 is a powerful and versatile multimeter, but it is important to use it safely. Always follow the safety precautions outlined in the manual.

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