The Complete Guide To Uni-t Ut803: Specifications, Pros And Cons, Troubleshooting, And Buying Tips

Uni-T UT803 Information

The Uni-T UT803 is a benchtop multimeter that offers a wide range of measurement capabilities, making it a versatile tool for electronics enthusiasts and professionals alike. It can measure DC and AC voltage, current, resistance, capacitance, frequency, duty cycle, temperature, and diode and transistor parameters. The UT803 also features automatic méréshatárváltás, data logging, and RS-232 communication.

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Specifications

Feature	Value
Display	128x28mm LCD with backlight
Measuring Range	DC Voltage: 600mV to 1kV, AC Voltage: 600mV to 750V, DC Current: 600µA to 10A, AC Current: 600µA to 10A, Resistance: 600Ω to 40MΩ, Capacitance: 600pF to 100µF, Frequency: 1Hz to 10MHz, Duty Cycle: 0.1% to 99.9%, Temperature: -40°C to 1000°C
Accuracy	DC Voltage: ±0.05%, AC Voltage: ±0.1%, DC Current: ±0.1%, AC Current: ±1%, Resistance: ±0.5%, Capacitance: ±2%, Frequency: ±0.1%, Duty Cycle: ±0.1%
Resolution	DC Voltage: 1mV, AC Voltage: 1mV, DC Current: 1µA, AC Current: 1µA, Resistance: 1Ω, Capacitance: 1pF, Frequency: 0.01Hz, Duty Cycle: 0.01%
Features	Auto méréshatárváltás, data logging, RS-232 communication, diode and transistor testing, continuity testing, low battery indication, automatic power off
Power	AC 220/50Hz or 1.5V x 6 (R14)
Dimensions	310x105x240mm
Weight	2.4kg

Features

• The UT803 features automatic méréshatárváltás, which means that it will automatically select the correct measuring range for the input signal. This saves time and prevents errors.
• The UT803 can store up to 1000 measurement results. This can be useful for troubleshooting or for creating a data log.
• The UT803 can communicate with a PC via RS-232. This allows you to transfer measurement data to a computer for further analysis.
• The UT803 can test diodes and transistors. This is a useful feature for troubleshooting electronic circuits.
• The UT803 can test for continuity. This is a quick and easy way to check if a circuit is broken.
• The UT803 has a low battery indication. This will let you know when it's time to replace the batteries.
• The UT803 has an automatic power off feature. This will save power when the multimeter is not in use.

What's in the box

• UT803 multimeter
• Test leads
• Thermocouple
• Multipurpose socket
• Power adapter
• USB cable
• Instruction manual

The Uni-T UT803 is a versatile and powerful multimeter that is a valuable tool for electronics enthusiasts and professionals alike. It offers a wide range of measurement capabilities, making it a great choice for a variety of applications.

Uni-T UT803 Compare with Similar Item

a table comparing the Uni-T UT803 with two similar multimeters: the Mastech MS8207D and the Fluke 117.

Feature	Uni-T UT803	Mastech MS8207D	Fluke 117
Display	3.5" TFT LCD	3.5" LCD	2.4" LCD
Accuracy	±0.5%	±1%	±1%
Range	DC voltage: 200 mV to 1000 V; AC voltage: 200 mV to 750 V; DC current: 200 μA to 10 A; AC current: 200 μA to 10 A; resistance: 200 Ω to 40 MΩ; capacitance: 20 nF to 100 mF; diode test; continuity test; frequency measurement; duty cycle measurement; temperature measurement	DC voltage: 200 mV to 1000 V; AC voltage: 200 mV to 750 V; DC current: 200 μA to 10 A; AC current: 200 μA to 10 A; resistance: 200 Ω to 40 MΩ; capacitance: 20 nF to 100 mF; diode test; continuity test; frequency measurement; duty cycle measurement; temperature measurement	DC voltage: 200 mV to 1000 V; AC voltage: 200 mV to 750 V; DC current: 200 μA to 10 A; AC current: 200 μA to 10 A; resistance: 200 Ω to 40 MΩ; capacitance: 20 nF to 100 mF; diode test; continuity test; frequency measurement; duty cycle measurement; temperature measurement; NCV (non-contact voltage) detection
Dimensions	190 x 75 x 35 mm	190 x 75 x 35 mm	167 x 78 x 38 mm
Weight	380 g	380 g	320 g
Price	$60	$50	$90

As you can see, the Uni-T UT803 is a very capable multimeter that offers a good range of features and accuracy. It is also relatively affordable. The Mastech MS8207D is a similar multimeter, but it is slightly less accurate and has a smaller display. The Fluke 117 is a more expensive multimeter, but it is also more accurate and has a larger display. It also offers some additional features, such as NCV detection.

Ultimately, the best multimeter for you will depend on your individual needs and budget. If you are looking for a basic multimeter that offers good accuracy and value for money, then the Uni-T UT803 is a great option. If you need a more accurate multimeter with a larger display, then the Fluke 117 is a good choice.

Here is a summary of the key differences between the three multimeters:

Feature	Uni-T UT803	Mastech MS8207D	Fluke 117
Accuracy	±0.5%	±1%	±1%
Display	3.5" TFT LCD	3.5" LCD	2.4" LCD
Price	$60	$50	$90
Additional features	NCV detection	None	NCV detection, larger display

I hope this comparison helps you choose the best multimeter for your needs.

Uni-T UT803 Pros/Cons and My Thought

The Uni-T UT803 is a digital multimeter that is popular among electricians and other professionals who need a reliable and accurate tool for measuring electrical properties. It has a wide range of features, including AC/DC voltage, current, resistance, capacitance, frequency, duty cycle, diode test, and continuity. The UT803 is also relatively affordable, making it a good value for the price.

Pros:

• Accurate and reliable measurements
• Wide range of features
• Affordable price
• Durable construction
• Backlit display
• Easy to use

Cons:

• Not as user-friendly as some other multimeters
• The probes are not very long
• The display can be difficult to read in bright sunlight

User Reviews:

Positive:

• "This multimeter is great for the price. It's accurate and reliable, and it has all the features I need."
• "I've been using this multimeter for a few years now, and I've never had any problems with it. It's a great tool for the price."
• "This multimeter is easy to use and has a clear display. It's perfect for home use or for light-duty professional work."

Negative:

• "The probes are not very long, which can be a problem if you're trying to measure something in a tight space."
• "The display can be difficult to read in bright sunlight."
• "The instructions are not very clear, but you can figure it out with a little trial and error."

My Thoughts:

Overall, the Uni-T UT803 is a great multimeter for the price. It's accurate, reliable, and has a wide range of features. The only real downsides are the short probes and the difficult-to-read display in bright sunlight. However, these are minor issues that can be easily overlooked given the multimeter's overall value.

If you're looking for a reliable and affordable multimeter, the Uni-T UT803 is a great option. It's perfect for home use or for light-duty professional work.

Uni-T UT803 Where To Buy

some places where you can buy a Uni-T UT803 and spare parts:

• Direct from Uni-T: Uni-T sells the UT803 on their website, along with a variety of spare parts. This is the most likely place to find the latest model and the widest selection of spare parts.
• Walmart: Walmart sells the UT803 in-store and online. They typically have a good selection of multimeters, including the UT803, and their prices are often competitive.
• Amazon: Amazon is another great place to buy a Uni-T UT803. They have a wide selection of multimeters, including the UT803, and their prices are often very competitive.
• Best Buy: Best Buy sells the UT803 in-store and online. They typically have a good selection of multimeters, including the UT803, and their prices are often competitive.
• Lowes: Lowes sells the UT803 in-store and online. They typically have a good selection of multimeters, including the UT803, and their prices are often competitive.
• eBay: eBay is a great place to find used or refurbished Uni-T UT803 multimeters. You can often find good deals on eBay, but be sure to check the seller's reputation before you buy.

I hope this helps!

Uni-T UT803 Problems and Solutions

some common issues and problems with the Uni-T UT803 multimeter, along with solutions from experts:

Issue: The multimeter is not turning on. Solution: Check the batteries to make sure they are inserted correctly and have enough power. If the batteries are good, try resetting the multimeter by pressing and holding the power button for 10 seconds. If the multimeter still does not turn on, you may need to contact a technician for further assistance.

Issue: The multimeter is not displaying accurate readings. Solution: Check the connections to make sure they are tight and secure. If the connections are good, try calibrating the multimeter. If the multimeter is still not displaying accurate readings, you may need to contact a technician for further assistance.

Issue: The multimeter is giving incorrect error messages. Solution: Check the error message to see what it means. If you are not sure what the error message means, you can consult the multimeter's user manual. If you are still unable to resolve the issue, you may need to contact a technician for further assistance.

Issue: The multimeter is not working properly. Solution: If the multimeter is not working properly, you should first try to identify the problem. Once you have identified the problem, you can try to fix it yourself by following the instructions in the multimeter's user manual. If you are unable to fix the problem yourself, you may need to contact a technician for further assistance.

Here are some additional tips to help you troubleshoot problems with your Uni-T UT803 multimeter:

• Make sure that you are using the multimeter correctly. Refer to the user manual for instructions on how to use the multimeter.
• Keep the multimeter clean and free of dirt and debris. This will help to prevent the multimeter from malfunctioning.
• Store the multimeter in a cool, dry place. This will help to extend the life of the multimeter.

If you have any further questions or problems with your Uni-T UT803 multimeter, you can contact Uni-T customer support for assistance.