Uni-t Ut521: Full Specifications, Comparisons, Manuals, Pros And Cons, Problems, And Where To Buy

Uni-T UT521 Information

The UNI-T UT521 is an entry-level digital earth resistance tester that is designed for measuring the resistance of earth electrodes. It is a portable and easy-to-use instrument that can be used for a variety of applications, including electrical safety testing, lightning protection, and grounding system maintenance.

Specifications

• Measurement ranges: 0-20 Ω, 0-200 Ω, and 0-2000 Ω
• Accuracy: ±(2%+10) Ω, ±(2%+3) Ω, and ±(2%+3) Ω, respectively
• AC earth voltage measurement range: 0-200 V
• Resolution: 0.1 Ω
• Display: 2000-count LCD with backlight
• Battery: 9V (included)
• Dimensions: 180 x 70 x 40 mm
• Weight: 350 g

Features

• 2-wire and 3-wire testing procedures
• Data hold function
• Limited memory stores up to 20 records
• Automatic power off after 10 minutes of inactivity
• Low battery indicator
• Double insulation protection
• CAT III 600 V

What's in the box

• UT521 earth resistance tester
• 3 earthing probes
• Connecting wire
• Carrying case
• Instruction manual

Applications

• Electrical safety testing
• Lightning protection
• Grounding system maintenance
• Other applications where the resistance of an earth electrode needs to be measured

The UNI-T UT521 is a versatile and easy-to-use earth resistance tester that is ideal for a variety of applications. It is a reliable and accurate instrument that can help you to ensure the safety and performance of your electrical systems.

Here are some additional benefits of using the UNI-T UT521:

• It is a portable and lightweight instrument, making it easy to transport and use in the field.
• It has a large and clear LCD display, making it easy to read the measurement results.
• It has a number of safety features, including double insulation protection and CAT III 600 V rating.
• It is backed by a one-year warranty.

If you are looking for an accurate and easy-to-use earth resistance tester, the UNI-T UT521 is a great option.

Uni-T UT521 Compare with Similar Item

a table comparing the Uni-T UT521 with some similar items:

Feature	Uni-T UT521	Fluke 115	Klein Tools MM500
Price	$49.99	$79.99	$69.99
Display	3.5-inch LCD	2.4-inch LCD	2.4-inch LCD
Accuracy	±1.2%	±1.2%	±1.0%
Range	DC 400mV to 1000V, AC 400mV to 750V	DC 400mV to 1000V, AC 400mV to 750V	DC 400mV to 1000V, AC 400mV to 750V
Features	True RMS, data hold, auto power off	True RMS, data hold, auto power off	True RMS, data hold, auto power off
Weight	11.2 oz	14.3 oz	10.7 oz
Dimensions	5.5 x 2.6 x 1.2 in	6.3 x 2.8 x 1.3 in	5.7 x 2.6 x 1.2 in

As you can see, the Uni-T UT521 is a very affordable multimeter that offers good accuracy and a range of features. The Fluke 115 is a more expensive multimeter, but it offers a higher degree of accuracy and a few additional features, such as a backlight and a temperature probe. The Klein Tools MM500 is a good middle-ground option, offering a good balance of price, accuracy, and features.

Ultimately, the best multimeter for you will depend on your individual needs and budget. If you are looking for an affordable multimeter with good accuracy, the Uni-T UT521 is a great option. If you need a more accurate multimeter with additional features, the Fluke 115 is a good choice. And if you are looking for a multimeter that is both affordable and accurate, the Klein Tools MM500 is a good option.

Here is a more detailed comparison of the three multimeters:

Uni-T UT521

• Pros: Affordable, accurate, good range of features
• Cons: No backlight, no temperature probe

Fluke 115

• Pros: High accuracy, backlight, temperature probe
• Cons: More expensive than the Uni-T UT521

Klein Tools MM500

• Pros: Good balance of price, accuracy, and features
• Cons: No backlight, no temperature probe

I hope this helps!

Uni-T UT521 Pros/Cons and My Thought

a summary of the Uni-T UT521 multimeter, including pros/cons, user reviews, and my thoughts.

Pros:

• Accurate readings
• Durable construction
• Wide range of features
• Intuitive interface
• Affordable price

Cons:

• Not as user-friendly as some other multimeters
• The auto-ranging feature can be slow at times
• The display is not as bright as some other multimeters

User reviews:

Overall, users seem to be very happy with the Uni-T UT521 multimeter. They praise its accuracy, durability, and wide range of features. Some users also mention that the price is very reasonable. However, a few users have complained that the auto-ranging feature can be slow at times and that the display is not as bright as some other multimeters.

My thoughts:

I think the Uni-T UT521 is a great multimeter for the price. It has all the features you need for basic electrical work, and it is accurate and durable. The auto-ranging feature is a nice touch, and the interface is easy to use. However, the display could be brighter, and the auto-ranging feature can be slow at times. Overall, I would recommend the Uni-T UT521 to anyone looking for a reliable and affordable multimeter.

Here are some additional thoughts on the Uni-T UT521:

• The multimeter is very accurate, even when measuring small currents or voltages.
• The construction is very durable, and the multimeter is well-protected from shocks and drops.
• The range of features is very wide, including AC/DC voltage, current, resistance, capacitance, frequency, duty cycle, diode testing, and continuity testing.
• The interface is very intuitive, and it is easy to navigate the menus and make measurements.
• The price is very affordable, making the Uni-T UT521 a great value for the money.

Overall, I think the Uni-T UT521 is a great multimeter for the price. It is accurate, durable, has a wide range of features, and is easy to use. I would definitely recommend it to anyone looking for a reliable and affordable multimeter.

Uni-T UT521 Problems and Solutions

some common issues and problems with the Uni-T UT521 multimeter, as well as solutions from experts:

Issue: The multimeter doesn't turn on. Solution: Check the batteries. If the batteries are dead, replace them. If the batteries are good, make sure that the multimeter is plugged in. If it's still not turning on, there may be a problem with the power supply.

Issue: The multimeter is giving inaccurate readings. Solution: Check the probes. Make sure that they are properly inserted into the multimeter. If the probes are good, check the connections. Make sure that the leads are properly connected to the probes. If the connections are good, the multimeter may need to be calibrated.

Issue: The multimeter is displaying an error message. Solution: Consult the multimeter's manual to see what the error message means. Once you know what the error message means, you can take steps to fix the problem. For example, if the error message says "overload," you may need to reduce the measurement range.

Issue: The multimeter is not working properly. Solution: If you've tried all of the above solutions and the multimeter is still not working properly, you may need to take it to a qualified technician for repairs.

Here are some additional tips for troubleshooting common problems with the Uni-T UT521 multimeter:

• Make sure that you are using the multimeter correctly. Refer to the manual for instructions on how to use the multimeter for different measurements.
• Keep the multimeter clean and free of debris. Dirt and debris can interfere with the readings of the multimeter.
• Store the multimeter in a cool, dry place. Extreme temperatures and humidity can damage the multimeter.

I hope this helps!