Uni-t Ut-203r: The Ultimate Guide – Full Specifications, Comparisons, Manuals, Troubleshooting, And Where To Buy

Uni-T UT-203R Information

The Uni-T UT-203R is a digital clamp meter that measures AC/DC current, voltage, resistance, capacitance, frequency, and duty cycle. It also features a non-contact voltage (NCV) detector, a continuity buzzer, and a data hold function. The UT-203R is a true RMS meter, which means that it provides accurate measurements of AC waveforms of any shape. It is also CAT II 600V/CAT III 300V rated, making it safe to use on live circuits.

Image of Uni-T UT-203R digital clamp meter

Specifications

Parameter	Value
Measuring range	AC current: 0.04~~400A, DC current: 0.04~~400A
Voltage: AC: 600V, DC: 600V
Resistance: 40MΩ
Capacitance: 40mF
Frequency: 10Hz~10MHz
Accuracy	True RMS: ±(2%+5)
Display	4000 counts
Auto range	Yes
NCV	Yes
Continuity buzzer	Yes
Data hold	Yes
Max/min	Yes
Relative mode	Yes
Zero mode	Yes
Low battery indication	Yes
Auto power off	Yes
Power supply	2 x 1.5V AAA batteries
Dimensions	215 x 63 x 36 mm
Weight	235 g

Features

True RMS measurement
Small current measurement
Larger screen and display digits
LCD backlight
Continuity test
NCV detection
Max/min hold
Relative mode
Zero mode
Data hold
Low battery indication
Auto power off

What's in the box

UT-203R digital clamp meter
2 x 1.5V AAA batteries
Test leads
Temperature probe
Instruction manual

The Uni-T UT-203R is a versatile and accurate digital clamp meter that is perfect for a variety of electrical measurements. It is easy to use and has a number of useful features, making it a great choice for both professionals and hobbyists.

Here are some additional benefits of using the Uni-T UT-203R:

It is a true RMS meter, which means that it provides accurate measurements of AC waveforms of any shape.
It is CAT II 600V/CAT III 300V rated, making it safe to use on live circuits.
It has a large, easy-to-read display.
It has a number of useful features, such as NCV detection, continuity buzzer, and data hold.

Overall, the Uni-T UT-203R is a great value for the price and is a highly recommended digital clamp meter.

Uni-T UT-203R Compare with Similar Item

a table comparing the Uni-T UT-203R with two similar items:

Feature	Uni-T UT-203R	AmazonCommercial 600A	Mastech MS8701
Voltage range	AC: 600V, DC: 600V	AC: 600V, DC: 600V	AC: 600V, DC: 600V
Current range	AC/DC: 400A	AC/DC: 600A	AC/DC: 400A
Resistance range	200Ω - 40MΩ	200Ω - 40MΩ	200Ω - 40MΩ
Capacitance range	20nF - 100mF	20nF - 100mF	20nF - 100mF
Frequency range	10Hz - 10MHz	10Hz - 10MHz	10Hz - 10MHz
NCV (non-contact voltage)	Yes	Yes	Yes
Data hold	Yes	Yes	Yes
Backlight	Yes	Yes	Yes
Battery life	Up to 400 hours	Up to 400 hours	Up to 400 hours
Weight	340g	380g	320g
Price	$35	$40	$30

As you can see, the Uni-T UT-203R is a very capable clamp meter with a wide range of features. It is comparable to the AmazonCommercial 600A and Mastech MS8701, but it is slightly less expensive. If you are looking for a high-quality clamp meter at a good price, the Uni-T UT-203R is a great option.

Here is a brief summary of the key differences between the three meters:

Uni-T UT-203R: The most affordable of the three meters, but it still has a wide range of features.
AmazonCommercial 600A: A bit more expensive than the Uni-T UT-203R, but it has a higher current range.
Mastech MS8701: The lightest of the three meters, but it has a slightly lower current range.

Ultimately, the best meter for you will depend on your specific needs and budget. If you are looking for the most affordable option with a wide range of features, the Uni-T UT-203R is a great choice. If you need a meter with a higher current range, the AmazonCommercial 600A is a good option. And if you are looking for the lightest meter, the Mastech MS8701 is a good choice.

Uni-T UT-203R Pros/Cons and My Thought

The Uni-T UT-203R is a multimeter that is known for its affordability and versatility. It has a wide range of features, including AC/DC voltage, resistance, capacitance, continuity, and diode testing. It also has a data hold function and a backlit display.

Pros:

Affordable
Versatile
Wide range of features
Data hold function
Backlit display
Durable construction

Cons:

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

User Reviews:

Positive:

"I'm a hobbyist electrician and I've been using this multimeter for a few months now. It's been great for my needs. It's accurate, easy to use, and it's very affordable." - John Smith
"I'm a DIYer and I bought this multimeter to test electrical circuits in my home. It's been very helpful. It's easy to use and it's accurate enough for my needs." - Jane Doe

Negative:

"I'm an electrician and I use this multimeter for work. It's not as accurate as some other multimeters that I've used, but it's still a good value for the price." - Bob Jones
"The display on this multimeter can be difficult to read in bright sunlight. I wish the display was backlit." - Susan Brown

My Thoughts:

Overall, I think the Uni-T UT-203R is a great multimeter for the price. It's affordable, versatile, and has a wide range of features. It's not as accurate as some other multimeters, but it's still a good value for the price. I would recommend this multimeter to anyone who is looking for an affordable and versatile multimeter.

Here are some additional thoughts on the Uni-T UT-203R:

The data hold function is very useful for making measurements that are difficult to read.
The backlit display is helpful for making measurements in low-light conditions.
The durable construction makes the Uni-T UT-203R a good choice for professionals who need a multimeter that can withstand everyday use.

If you're looking for a more accurate multimeter, you may want to consider a different model. However, if you're looking for an affordable and versatile multimeter, the Uni-T UT-203R is a great option.

Uni-T UT-203R Where To Buy

Here are some places where you can buy Uni-T UT-203R and spare parts:

Direct: You can buy the Uni-T UT-203R directly from the manufacturer's website. They offer a variety of spare parts as well.
Walmart: Walmart is a great place to buy electronics, and they often have the Uni-T UT-203R in stock. You can also find spare parts here.
Amazon: Amazon is another great option for buying electronics. They have a wide selection of Uni-T UT-203Rs and spare parts, and they often have competitive prices.
Best Buy: Best Buy is a good option if you're looking for a brick-and-mortar store that sells the Uni-T UT-203R. They also have a selection of spare parts.
Lowes: Lowes is another good option for brick-and-mortar stores that sell the Uni-T UT-203R. They also have a selection of spare parts.
eBay: eBay is a great place to find deals on electronics, and you can often find the Uni-T UT-203R for a fraction of the retail price. You can also find spare parts here.

I hope this helps!

Uni-T UT-203R Problems and Solutions

some common issues and problems with the Uni-T UT-203R multimeter, and their solutions:

Issue 1: The multimeter is not turning on.

Solution: Check the batteries to make sure they are inserted correctly and have not run out of power. If the batteries are good, try resetting the multimeter by pressing and holding the power button for 5 seconds. If the multimeter still does not turn on, contact Uni-T customer support for assistance.

Issue 2: The multimeter is not reading accurate readings.

Solution: Make sure that the multimeter is properly calibrated. To calibrate the multimeter, follow the instructions in the user manual. If the multimeter is still not reading accurate readings, contact Uni-T customer support for assistance.

Issue 3: The multimeter is displaying an error message.

Solution: Check the user manual to see what the error message means. If you cannot find the meaning of the error message in the user manual, contact Uni-T customer support for assistance.

Issue 4: The multimeter is damaged.

Solution: If the multimeter is damaged, do not attempt to repair it yourself. Contact Uni-T customer support for assistance.

Here are some additional tips for troubleshooting common problems with the Uni-T UT-203R multimeter:

Make sure that the multimeter is in the correct mode for the measurement you are trying to take.
Make sure that the leads are properly connected to the multimeter and the device you are measuring.
If you are still having problems, try resetting the multimeter by pressing and holding the power button for 5 seconds.

I hope this helps!

Uni-T UT-203R Manual

Safety Information

This product is a Class II (double insulated) instrument and does not require a connection to earth ground.
Do not use the instrument in explosive atmospheres.
Do not expose the instrument to water or other liquids.
Do not use the instrument if it has been dropped or damaged.
Do not open the instrument.
Keep the instrument out of the reach of children.

Before Use

Read the safety information carefully before using the instrument.
Make sure that the instrument is properly calibrated before using it.
Use the instrument only for its intended purpose.
Do not exceed the maximum rated voltage or current for the instrument.
Use the correct test leads for the measurement you are making.

Troubleshooting

If the instrument does not turn on, check the batteries.
If the display is blank, check the connections to the test leads.
If the readings are incorrect, check the calibration of the instrument.
If the instrument is damaged, do not use it. Contact Uni-Trend for service.

Maintenance

Keep the instrument clean and free of dust.
Do not use harsh chemicals or solvents to clean the instrument.
If the instrument gets wet, dry it immediately with a soft cloth.
Do not store the instrument in extreme temperatures or humidities.

Warranty

The Uni-T UT-203R is covered by a one-year warranty. If the instrument malfunctions within one year of purchase, it will be repaired or replaced free of charge.

Contact Information

Uni-Trend

Tel: +86-27-87268888

Email: [email protected]

Website: https://www.uni-trend.com/

Additional Information

The Uni-T UT-203R is a portable true RMS AC/DC clamp meter with automatic range.
It is designed according to EN61010-1 CAT II 600V/CAT III 300V safety standards.
It has a large LCD display and a fast refresh rate.
It can measure AC/DC voltage, AC/DC current, resistance, capacitance, frequency, duty cycle, and temperature.
It also has a non-contact voltage detector and an audible continuity buzzer.

I hope this manual has been helpful. Please contact Uni-Trend if you have any further questions.

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