Uni-t Ut58a: Pros And Cons, Common Issues, And Best Places To Purchase

Uni-T UT58A Information

The Uni-T UT58A is a general-purpose digital multimeter (DMM) that is easy to use and provides a wide range of measurement functions. It features a large 60mm x 54mm LCD display, 2000 display count, and refresh rate of 2~3 times/s. The UT58A also has a number of safety features, including overload protection, auto power off, and data hold.

Specifications

Measurement Function	Range	Accuracy
DC Voltage	200mV, 2V, 20V, 200V, 1000V	±(0.5%+1)
AC Voltage	2V, 20V, 200V, 750V	±(0.8%+3)
DC Current	20μA, 2mA, 20mA, 200mA, 20A	±(0.8%+1)
AC Current	2mA, 200mA, 20A	±(1%+3)
Resistance	200Ω, 2kΩ, 20kΩ, 2MΩ, 20MΩ, 200MΩ	±(0.8%+1)
Capacitance	2nF, 200nF, 100μF	±(4%+3)
Diode	Yes
Continuity	Yes
Transistor	Yes
Frequency	10Hz~10MHz	±(1%+3)
Duty Cycle	0~99%	±(1%+3)
Temperature	-10~100℃	±(1%+3)

Features

• Large 60mm x 54mm LCD display with 2000 display count
• Refresh rate of 2~3 times/s
• Function symbols and test lead connection indication
• Transistor measurement
• Diode and continuity buzzer
• Auto power off after 15 minutes of inactivity
• Overload protection
• Data hold
• 20A AC/DC current measurement

What's in the box

• Uni-T UT58A Digital multimeter
• 9V battery (6F22)
• Instruction manual
• Carrying case

The Uni-T UT58A is a versatile and reliable DMM that is perfect for a variety of electrical and electronic measurements. It is easy to use and features a number of safety features, making it a safe and reliable tool for professionals and hobbyists alike.

Uni-T UT58A Compare with Similar Item

a table comparing the Uni-T UT58A with some similar items:

Feature	Uni-T UT58A	Klein Tools ET300	Fluke 117
Price	$59.99	$99.99	$129.99
Display	3.5-inch color LCD	2.4-inch color LCD	3.5-inch color LCD
Accuracy	±1.2%	±1.5%	±1.2%
Range	DC 400V, AC 600V	DC 600V, AC 1000V	DC 600V, AC 1000V
Features	True RMS, data hold, min/max, continuity, diode test, transistor test, buzzer	True RMS, data hold, min/max, continuity, diode test, transistor test, buzzer	True RMS, data hold, min/max, continuity, diode test, transistor test, buzzer

As you can see, the Uni-T UT58A is the most affordable of the three meters, but it also has the lowest accuracy. The Klein Tools ET300 and the Fluke 117 are both more accurate, but they are also more expensive.

If you are looking for an accurate and affordable multimeter, the Uni-T UT58A is a good option. However, if you need the highest possible accuracy, you may want to consider the Klein Tools ET300 or the Fluke 117.

Here are some additional details about each meter:

• The Uni-T UT58A has a 3.5-inch color LCD display and is accurate to ±1.2%. It has a range of DC 400V and AC 600V. It features true RMS, data hold, min/max, continuity, diode test, transistor test, and buzzer.
• The Klein Tools ET300 has a 2.4-inch color LCD display and is accurate to ±1.5%. It has a range of DC 600V and AC 1000V. It features true RMS, data hold, min/max, continuity, diode test, transistor test, and buzzer.
• The Fluke 117 has a 3.5-inch color LCD display and is accurate to ±1.2%. It has a range of DC 600V and AC 1000V. It features true RMS, data hold, min/max, continuity, diode test, transistor test, buzzer, and insulation resistance test.

Ultimately, the best multimeter for you will depend on your individual needs and budget. If you are looking for an accurate and affordable multimeter, the Uni-T UT58A is a good option. However, if you need the highest possible accuracy or additional features like insulation resistance testing, you may want to consider the Klein Tools ET300 or the Fluke 117.

Uni-T UT58A Pros/Cons and My Thought

The Uni-T UT58A is a digital multimeter (DMM) that offers a wide range of features and measurements for a reasonable price. It has a large LCD display, automatic range selection, and protection against overloads. It can measure AC/DC voltage, current, resistance, capacitance, frequency, temperature, transistor, diode, and continuity.

Here are some of the pros and cons of the Uni-T UT58A:

Pros:

• Large LCD display with backlight
• Automatic range selection
• Overload protection for all ranges
• Wide range of measurements
• Inexpensive
• Durable construction

Cons:

• Not as accurate as some higher-end DMMs
• Some users have reported issues with the backlight
• Not as user-friendly as some other DMMs

Here are some user reviews of the Uni-T UT58A:

Positive reviews:

• "Great value for the price. It has all the features I need for basic electrical work." - Amazon reviewer
• "Very accurate and easy to use. I would definitely recommend it to anyone looking for a good quality DMM." - eBay reviewer
• "I've used this meter for a few months now and I'm very impressed with it. It's well-made and seems very durable." - Home Depot reviewer

Negative reviews:

• "The backlight is not very bright and can be hard to see in some lighting conditions." - Amazon reviewer
• "I had some problems with the meter not reading accurately. I had to send it back for a replacement." - eBay reviewer
• "The instructions are not very clear. It took me a while to figure out how to use all of the features." - Home Depot reviewer

Overall, the Uni-T UT58A is a good value for the price. It has a wide range of features and measurements, and it is reasonably accurate. However, it is not as user-friendly as some other DMMs, and the backlight is not very bright. If you are looking for a basic DMM with a lot of features, the Uni-T UT58A is a good option. However, if you need a DMM with the highest accuracy and user-friendliness, you may want to consider a more expensive model.

In my opinion, the Uni-T UT58A is a good choice for DIYers and hobbyists who need a basic DMM with a wide range of features. It is not as accurate as some higher-end DMMs, but it is still accurate enough for most basic tasks. The backlight is not very bright, but it is still usable in most lighting conditions. The instructions are not very clear, but they are adequate with a little patience. Overall, the Uni-T UT58A is a good value for the price and it is a good choice for most DIYers and hobbyists.

Uni-T UT58A Problems and Solutions

some common issues and problems with the Uni-T UT58A multimeter, along with expert-recommended solutions:

• The multimeter is not turning on.
  • Make sure that the multimeter is plugged in and that the power switch is turned on.
  • If the multimeter is still not turning on, try replacing the batteries.
• The multimeter is not displaying any readings.
  • Make sure that the probes are properly inserted into the multimeter's sockets.
  • If the probes are properly inserted and the multimeter is still not displaying any readings, try calibrating the multimeter.
• The multimeter is displaying incorrect readings.
  • Make sure that the multimeter is set to the correct measurement mode.
  • If the multimeter is set to the correct measurement mode and is still displaying incorrect readings, try replacing the probes.
• The multimeter is giving an error message.
  • Refer to the multimeter's user manual for the specific error message and its corresponding solution.

Here are some additional tips for troubleshooting common Uni-T UT58A multimeter problems:

• Always make sure that the multimeter is turned off before you insert or remove the probes.
• Avoid using the multimeter in wet or humid conditions.
• Do not drop the multimeter or expose it to excessive force.
• Clean the multimeter's probes regularly with a soft cloth.
• Store the multimeter in a cool, dry place.

If you are unable to resolve a common Uni-T UT58A multimeter problem using the troubleshooting tips above, you may need to contact the manufacturer or a qualified technician for assistance.

Uni-T UT58A Manual

Uni-T UT58A User Manual

Safety Information

• Before using the multimeter, please read this manual carefully and follow all safety instructions.
• Do not use the multimeter in a wet or humid environment.
• Do not use the multimeter if it is damaged.
• Do not use the multimeter to measure live circuits.
• Always disconnect the power before making any measurements.
• Use the correct test leads for the measurement you are performing.
• Do not exceed the maximum voltage or current ratings for the multimeter.
• Do not use the multimeter to measure high-frequency signals.
• Do not disassemble the multimeter.

Before Use

• Check the multimeter for any damage before using it.
• Make sure that the batteries are installed correctly.
• Set the multimeter to the correct measurement range for the value you are measuring.
• Connect the test leads to the correct terminals.
• Make sure that the power is disconnected before making any measurements.

Troubleshooting

• If the multimeter does not display any readings, check the batteries.
• If the multimeter displays incorrect readings, check the connections of the test leads.
• If the multimeter is damaged, do not use it. Contact Uni-T customer service for assistance.

Maintenance

• Keep the multimeter clean and free of dust.
• Store the multimeter in a cool, dry place.
• Do not expose the multimeter to extreme temperatures or humidity.
• Replace the batteries every 6 months or sooner if the multimeter displays low battery warnings.

Warranty

The Uni-T UT58A is warranted to be free from defects in materials and workmanship for a period of one year from the date of purchase. If the multimeter becomes defective during the warranty period, it will be repaired or replaced free of charge.

Contact Information

Uni-T Electronics Website: www.unit.com Email: [email protected] Phone: +86-20-83895187

Additional Information

• The Uni-T UT58A is a digital multimeter that can measure DC and AC voltage, current, resistance, capacitance, and diode continuity.
• The multimeter has a LCD display that shows the measured value and other information, such as the measurement range and battery status.
• The multimeter has a variety of safety features, including a low battery indicator and an overload protection circuit.
• The multimeter is powered by two 9V batteries.
• The multimeter comes with a set of test leads, a carrying case, and a user manual.

I hope this manual has been helpful. If you have any further questions, please contact Uni-T customer service.