Uni-t Ut71a: Understanding Key Features, Comparisons, Manuals, And Reputable Buying Options

Uni-T UT71A Information

The Uni-T UT71A is a digital multimeter that measures AC and DC voltage, AC and DC current, resistance, capacitance, frequency, duty cycle, diode, continuity, and temperature. It features a large backlit LCD display, True RMS measurement, automatic range selection, and a variety of other measurement functions. The UT71A is a versatile and easy-to-use multimeter that is perfect for a variety of electrical and electronic applications.

Specifications

Measurement Function	Range	Accuracy
AC Voltage	600mV/6V/60V/600V/1000V	±(0.5%+2)
DC Voltage	600mV/6V/60V/600V/1000V	±(0.5%+2)
AC Current	200mA/2A/20A	±(1.0%+3)
DC Current	200mA/2A/10A	±(1.0%+3)
Resistance	200Ω/2kΩ/20kΩ/200kΩ/2MΩ/20MΩ/200MΩ	±(0.5%+2)
Capacitance	20nF/200nF/2uF/20uF/200uF/2mF/20mF	±(3.0%+3)
Frequency	10Hz~10MHz	±(0.1%+3)
Duty Cycle	0~99%	±(1.0%+3)
Diode	Yes	-
Continuity	Yes	-
Temperature	-40~1000℃	±2℃

Features

• True RMS measurement: The UT71A measures true RMS values of AC signals, which is important for accurate measurements of non-sinusoidal waveforms.
• Automatic range selection: The UT71A automatically selects the correct measurement range for the input signal, which makes it easy to use for a variety of applications.
• Backlit LCD display: The UT71A has a large backlit LCD display that makes it easy to read measurements in low-light conditions.
• Data hold: The UT71A can hold the current measurement for viewing later.
• Max/min: The UT71A can store the maximum and minimum values of a measurement, which can be helpful for troubleshooting problems.
• Relative mode: The UT71A can measure the difference between two measurements, which can be useful for comparing values.
• USB port: The UT71A has a USB port that can be used to connect the meter to a computer for data logging or analysis.

What's in the box

• UT71A digital multimeter
• Test leads
• 9V battery
• Instruction manual
• Warranty card

The Uni-T UT71A is a versatile and easy-to-use digital multimeter that is perfect for a variety of electrical and electronic applications. It features a large backlit LCD display, True RMS measurement, automatic range selection, and a variety of other measurement functions. The UT71A is a great choice for hobbyists, DIYers, and professional technicians alike.

Uni-T UT71A Compare with Similar Item

a table comparing the Uni-T UT71A with some similar items:

Feature	Uni-T UT71A	Fluke 117	Klein Tools MM500
Price	$30	$60	$40
Accuracy	±2.0%	±1.0%	±2.0%
Range	600V AC/DC, 20A DC, 10A AC	600V AC/DC, 10A DC	600V AC/DC, 10A DC
Features	True RMS, data hold, min/max, continuity	True RMS, data hold, min/max, continuity	True RMS, data hold, min/max, continuity
Weight	11.4 oz	14.8 oz	12.8 oz
Dimensions	6.3 x 3.2 x 1.2 in	7.1 x 3.5 x 1.3 in	6.7 x 3.2 x 1.2 in

As you can see, the Uni-T UT71A is the most affordable option, but it also has the least accurate range. The Fluke 117 is more accurate, but it is also more expensive. The Klein Tools MM500 is in between the two in terms of price and accuracy.

Ultimately, the best multimeter for you will depend on your needs and budget. If you are looking for an accurate multimeter with a wide range of features, the Fluke 117 is a good option. If you are on a budget, the Uni-T UT71A is a good choice. And if you are looking for a multimeter that is accurate and affordable, the Klein Tools MM500 is a good option.

Here are some additional things to consider when choosing a multimeter:

• True RMS: This means that the multimeter measures the actual root mean square value of the AC voltage or current, which is important for accurate measurements of non-sinusoidal waveforms.
• Data hold: This feature allows you to freeze the measurement on the display so that you can take a closer look at it.
• Min/max: This feature records the minimum and maximum values of the measurement, which can be helpful for troubleshooting.
• Continuity: This feature checks for a complete circuit by emitting a beep when the probes are connected.

I hope this helps!

Uni-T UT71A Pros/Cons and My Thought

the pros and cons of the Uni-T UT71A multimeter, as well as some user reviews and my thoughts:

Pros:

• The Uni-T UT71A is a very affordable multimeter, making it a great option for budget-minded buyers.
• It has a wide range of features, including AC/DC voltage, current, resistance, capacitance, frequency, duty cycle, diode test, and continuity test.
• The display is large and easy to read, and the unit is also relatively lightweight and easy to carry.
• It comes with a carrying case and a set of test leads, making it a complete package.

Cons:

• The build quality of the Uni-T UT71A is not as good as some of the more expensive multimeters on the market.
• The accuracy of the readings is not as good as some of the more expensive multimeters either.
• The unit can be a bit slow to respond, especially when measuring AC current.
• The manual is not very well-written, and it can be difficult to find the information you need.

User reviews:

Overall, the user reviews of the Uni-T UT71A are positive. Many users praised the unit's affordability and features. However, some users also noted the build quality and accuracy issues mentioned above.

My thoughts:

The Uni-T UT71A is a good multimeter for the price. It has a wide range of features and is relatively easy to use. However, the build quality and accuracy are not as good as some of the more expensive multimeters on the market. If you are looking for a basic multimeter that does not require a lot of accuracy, the Uni-T UT71A is a good option. However, if you need a more accurate multimeter with a better build quality, you may want to consider a more expensive model.

Here are some additional thoughts on the Uni-T UT71A:

• The unit is not very rugged, so it is not ideal for use in harsh environments.
• The display is not backlit, so it can be difficult to read in low-light conditions.
• The unit does not have a data hold function, which can be inconvenient when you need to take a reading of a constantly changing value.

Overall, the Uni-T UT71A is a good multimeter for the price. It is a great option for budget-minded buyers who need a basic multimeter with a wide range of features. However, if you need a more accurate multimeter with a better build quality, you may want to consider a more expensive model.

Uni-T UT71A Where To Buy

Sure. Here are some places where you can buy the Uni-T UT71A multimeter and spare parts:

• Direct from Uni-T: Uni-T sells the UT71A multimeter on their website for $49.95. They also sell a variety of spare parts for the multimeter, including the fuse, test leads, and probes.
• Walmart: Walmart sells the UT71A multimeter for $54.88. They also sell a few spare parts for the multimeter, such as the fuse and test leads.
• Amazon: Amazon sells the UT71A multimeter for $49.99. They also sell a wide variety of spare parts for the multimeter, including the fuse, test leads, probes, and even the display screen.
• Best Buy: Best Buy sells the UT71A multimeter for $59.99. They also sell a few spare parts for the multimeter, such as the fuse and test leads.
• Lowes: Lowes sells the UT71A multimeter for $59.98. They also sell a few spare parts for the multimeter, such as the fuse and test leads.
• eBay: eBay is a good place to find used or refurbished Uni-T UT71A multimeters and spare parts. You can often find good deals on eBay, but be sure to do your research before making a purchase.

I hope this helps!

Uni-T UT71A Problems and Solutions

some common issues and problems with the Uni-T UT71A multimeter, along with some expert-recommended solutions:

• The multimeter doesn't turn on.
  • Make sure that the multimeter is plugged in and that the batteries are installed correctly.
  • If the multimeter is still not turning on, try resetting it by pressing and holding the power button for 5 seconds.
• The multimeter displays an error message.
  • Check the multimeter's manual to see what the error message means.
  • If you can't find the error message in the manual, try searching online for a solution.
• The multimeter's readings are inaccurate.
  • Make sure that the multimeter is calibrated correctly.
  • If the multimeter is still not accurate, try replacing the batteries.
• The multimeter's probes are damaged.
  • If the multimeter's probes are damaged, they will need to be replaced.
  • When replacing the probes, make sure to use the correct type of probes for the multimeter.

Here are some additional tips for troubleshooting common problems with the Uni-T UT71A multimeter:

• Check the connections. Make sure that the multimeter is properly connected to the circuit or device you are testing.
• Use the correct range. Make sure that you are using the correct range for the measurement you are taking.
• Read the display correctly. Make sure that you are reading the display correctly. The multimeter may be displaying a negative value or an out-of-range value.
• Contact customer support. If you have tried all of the above and you are still having problems with your Uni-T UT71A multimeter, you can contact customer support for help.

I hope this helps!

Uni-T UT71A Manual

Safety Information

• Before using the UT71A, please read this manual carefully and follow all safety warnings and instructions.
• Do not use the UT71A in a hazardous environment, such as an area with flammable or explosive gases or liquids.
• Do not use the UT71A if it is damaged or malfunctioning.
• Do not open the UT71A. Repairs should only be performed by qualified personnel.
• Do not expose the UT71A to moisture or water.
• Do not store the UT71A in extreme temperatures or humidities.
• Keep the UT71A out of the reach of children.

Before Use

• Before using the UT71A, make sure that the batteries are installed correctly.
• Select the correct range for the measurement you are performing.
• Touch the test leads together to discharge any static electricity before making a measurement.
• Do not touch the test leads with your bare hands when the UT71A is turned on.
• Do not measure voltages that are higher than the maximum voltage rating of the UT71A.

Troubleshooting

If the UT71A is not working properly, please check the following:

• Make sure that the batteries are installed correctly.
• Make sure that the correct range is selected for the measurement you are performing.
• Touch the test leads together to discharge any static electricity.
• If the UT71A is still not working properly, please contact a qualified technician.

Maintenance

To maintain the UT71A in good working condition, please follow these tips:

• Clean the UT71A with a soft cloth.
• Do not use harsh chemicals or cleaners to clean the UT71A.
• Store the UT71A in a cool, dry place.
• Replace the batteries every 6 months to 1 year.

Warranty

The UT71A is covered by a one-year warranty. If the UT71A malfunctions within one year of purchase, it will be repaired or replaced free of charge.

Contact Information

For more information about the UT71A, please contact:

• Uni-T USA
• 100 Technology Drive
• Hauppauge, NY 11788
• USA
• Phone: 1-800-858-7000
• Website: www.uni-trend.com

Additional Information

• The UT71A can measure AC and DC voltage, AC and DC current, resistance, capacitance, frequency, and temperature.
• The UT71A has a True RMS measurement function, which means that it can accurately measure AC voltages and currents that are not pure sine waves.
• The UT71A has a data hold function, which allows you to freeze the displayed measurement value.
• The UT71A has a max/min hold function, which allows you to store the maximum and minimum measurement values.
• The UT71A has a relative measurement function, which allows you to measure the difference between two voltages or currents.
• The UT71A has a data storage function, which allows you to store up to 99 measurement values.
• The UT71A has an auto power off function, which turns off the meter after a period of inactivity.

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