The Complete Guide To Uni-t Ut118b: Specifications, Pros And Cons, Troubleshooting, And Buying Tips

Uni-T UT118B Information

the information about the Uni-T UT118B multimeter:

Introduction

The Uni-T UT118B is a pen-style digital multimeter that measures AC/DC voltage, current, resistance, capacitance, frequency, duty cycle, diode, and continuity. It also has a data hold function and a peak hold function. The UT118B is a small, lightweight, and portable multimeter that is perfect for home appliance repair, DIY projects, and electrical testing.

Specifications

• Display: 3.5-inch LCD with backlight
• Accuracy: ±(0.5%+2)
• Range:
  • AC voltage: 200mV/400mV/1000mV/2000mV/4000mV/10000mV/20000mV/40000mV
  • DC voltage: 200mV/400mV/1000mV/2000mV/4000mV/10000mV/20000mV/40000mV
  • Current: 200μA/2mA/20mA/200mA/10A
  • Resistance: 200Ω/2kΩ/20kΩ/200kΩ/2MΩ/20MΩ
  • Capacitance: 20nF/200nF/2μF/20μF/200μF/2mF/20mF/200mF
  • Frequency: 10Hz~10MHz
  • Duty cycle: 0~99%
  • Diode: Yes
  • Continuity: Yes
  • Temperature: -20~1000℃

Features

• Data hold function: Holds the current measurement reading on the display for easy viewing.
• Peak hold function: Holds the peak measurement reading on the display for easy viewing.
• 3.5-inch LCD display with backlight: Provides clear and bright readings, even in low-light conditions.
• ±(0.5%+2) accuracy: Provides accurate measurements for a variety of applications.
• Wide range of measurement: Measures a wide range of electrical values, from small voltages to high currents.
• Durable and portable design: Made with durable materials and is small enough to fit in your pocket.

What's in the box

• Uni-T UT118B multimeter
• Instruction manual
• 9V battery
• Test leads

Conclusion

The Uni-T UT118B is a versatile and affordable multimeter that is perfect for a variety of electrical testing applications. It is small, lightweight, and portable, making it easy to take with you on the go. The UT118B has a wide range of measurement capabilities and is accurate enough for most home and DIY projects. If you are looking for a reliable and affordable multimeter, the Uni-T UT118B is a great option.

Uni-T UT118B Compare with Similar Item

a table comparing the Uni-T UT118B with some similar items:

Feature	Uni-T UT118B	Fluke 117	Klein Tools ET320
Price	$39.99	$59.99	$44.99
Display	3.5-inch LCD	3.5-inch LCD	3.5-inch LCD
Accuracy	±2%	±1.5%	±2%
Range	AC voltage: 600V	AC voltage: 600V	AC voltage: 600V
DC voltage: 600V	DC voltage: 600V	DC voltage: 600V
AC current: 10A	AC current: 10A	AC current: 10A
DC current: 10A	DC current: 10A	DC current: 10A
Resistance: 40MΩ	Resistance: 40MΩ	Resistance: 40MΩ
Capacitance: 40mF	Capacitance: 40mF	Capacitance: 40mF
Frequency: 100MHz	Frequency: 100MHz	Frequency: 100MHz
Duty cycle: 99%	Duty cycle: 99%	Duty cycle: 99%
Continuity	Yes	Yes	Yes
Diode test	Yes	Yes	Yes
NCV (non-contact voltage)	Yes	Yes	Yes
Backlight	Yes	Yes	Yes
Weight	8.8 ounces	11.2 ounces	10.8 ounces

As you can see, the Uni-T UT118B is a very affordable multimeter that offers a wide range of features. It is accurate, has a large display, and is lightweight. However, it is not as durable as some of the more expensive multimeters on the market.

The Fluke 117 is a more expensive multimeter, but it is also more durable and accurate. It has a longer warranty and is backed by the Fluke name, which is known for quality.

The Klein Tools ET320 is another affordable multimeter that offers a lot of features. It is similar to the Uni-T UT118B in terms of accuracy and features, but it is slightly more expensive.

Ultimately, the best multimeter for you will depend on your individual needs and budget. If you are looking for an affordable multimeter with a wide range of features, the Uni-T UT118B is a great option. If you are looking for a more durable and accurate multimeter, the Fluke 117 is a better choice. And if you are on a tight budget, the Klein Tools ET320 is a good option.

Uni-T UT118B Pros/Cons and My Thought

a comprehensive review of the Uni-T UT118B multimeter, including pros and cons, user reviews, and my thoughts:

Pros:

• The Uni-T UT118B is a very affordable multimeter, making it a great option for hobbyists or DIYers on a budget.
• It has a wide range of measurement functions, 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 buttons are well-labeled.
• The unit is compact and lightweight, making it easy to carry around.
• It comes with a carrying case and a set of test leads.

Cons:

• The build quality is not as good as some of the more expensive multimeters on the market.
• The accuracy of the measurements is not as good as some of the more expensive multimeters.
• The unit can be a bit slow to respond to changes in the input signal.
• The instructions are not very clear.

User reviews:

Overall, user reviews of the Uni-T UT118B are positive. Many users praise the unit's affordability, wide range of measurement functions, and large and easy-to-read display. However, some users have complained about the build quality, accuracy, and slow response time of the unit.

My thoughts:

The Uni-T UT118B is a good multimeter for the price. It is not the most accurate or well-built multimeter on the market, but it does offer a wide range of measurement functions and a large and easy-to-read display. If you are looking for an affordable multimeter for basic electrical work, the Uni-T UT118B is a good option.

Here are some additional thoughts on the Uni-T UT118B:

• The unit is not as rugged as some of the more expensive multimeters, so it is not the best choice for professional use.
• The accuracy of the measurements is good enough for most basic electrical work, but it may not be accurate enough for some precision applications.
• The slow response time of the unit can be a bit annoying, but it is not a major issue for most users.
• The instructions are not very clear, but there are many user-created tutorials available online.

Overall, the Uni-T UT118B is a good multimeter for the price. It is not the best multimeter on the market, but it offers a good value for the money. If you are looking for an affordable multimeter for basic electrical work, the Uni-T UT118B is a good option.

Uni-T UT118B Where To Buy

You can buy the Uni-T UT118B multimeter and spare parts from the following retailers:

• Direct from Uni-T: The Uni-T website sells the UT118B multimeter for $49.99. They also sell a variety of spare parts for the multimeter, including probes, fuses, and test leads.
• Walmart: Walmart sells the UT118B multimeter for $54.99. They also sell a few spare parts for the multimeter, but their selection is not as extensive as Uni-T's website.
• Amazon: Amazon sells the UT118B multimeter for $52.99. They also have a wider selection of spare parts than Walmart, but their prices are generally higher than Uni-T's website.
• Best Buy: Best Buy sells the UT118B multimeter for $59.99. They also carry a few spare parts for the multimeter, but their selection is not as extensive as Amazon's.
• Lowes: Lowes does not sell the UT118B multimeter, but they do carry a few Uni-T multimeters in their stores. They also sell a few spare parts for multimeters, but their selection is limited.
• eBay: eBay is a good place to find used or refurbished Uni-T UT118B multimeters. You can also find spare parts for the multimeter on eBay, but the prices can be high.

I hope this helps!

Uni-T UT118B Problems and Solutions

some common issues and problems with the Uni-T UT118B multimeter and their 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 display is blank. Make sure that the multimeter is turned on and that the probes are properly inserted into the sockets. If the display is still blank, try cleaning the probes and the sockets with a dry cloth.
• The readings are inaccurate. Make sure that the probes are properly inserted into the sockets and that the correct range is selected. If the readings are still inaccurate, try calibrating the multimeter.
• The multimeter is giving an error message. Refer to the multimeter's manual for a list of error messages and their solutions.

Here are some additional tips for troubleshooting common Uni-T UT118B multimeter problems:

• Always make sure that the multimeter is turned off before inserting or removing the probes.
• Avoid using the multimeter in wet or humid environments.
• Do not drop the multimeter or expose it to excessive force.
• Clean the multimeter regularly with a dry cloth.
• Store the multimeter in a cool, dry place.

If you are unable to resolve a problem with your Uni-T UT118B multimeter, you may contact Uni-T customer support for assistance.

Here are the contact details for Uni-T customer support:

• Phone: +86-21-6889-7888
• Email: [email protected]
• Website: https://www.unit.com/

Uni-T UT118B Manual

Safety Information

• This meter is a Class II, double insulated meter. It does not require an earth connection.
• Do not use the meter in flammable or explosive atmospheres.
• Do not use the meter in rain or moisture.
• Do not use the meter if it is damaged.
• Do not open the meter.
• Keep the meter away from children.
• Do not use the meter to measure voltages higher than its rated voltage.
• Do not use the meter to measure currents higher than its rated current.
• Do not use the meter to measure voltages or currents in live circuits.
• Always disconnect the power before using the meter to measure voltages or currents.
• Use the correct test leads for the measurement you are performing.
• Do not touch the test leads together.
• Do not touch the meter probes with your bare hands.
• Use the meter in a well-lit area.
• Be careful not to drop the meter.
• Store the meter in a cool, dry place.

Before Use

• Read the safety information carefully before using the meter.
• Make sure the meter is turned off before connecting the test leads.
• Select the correct range for the measurement you are performing.
• Connect the test leads to the appropriate terminals.
• Touch the test leads to the points you want to measure.
• Read the measurement from the display.
• Disconnect the test leads from the meter when you are finished.

Troubleshooting

• If the meter does not turn on, check the battery.
• If the meter is not displaying accurate readings, check the connections of the test leads.
• If the meter is damaged, do not use it. Contact Uni-T for service.

Maintenance

• Keep the meter clean and dry.
• Do not use harsh chemicals or solvents to clean the meter.
• If the meter gets wet, dry it immediately with a soft cloth.
• Do not expose the meter to extreme temperatures or humidity.
• Replace the battery when the low battery indicator appears.

Warranty

• This meter is warranted for one year from the date of purchase.
• The warranty covers defects in materials and workmanship.
• The warranty does not cover damage caused by misuse or abuse.

Contact Information

• Uni-T Electronics
• Website: https://www.uni-trend.com/
• Email: [email protected]
• Phone: +86-27-8678-8888

Additional Information

• The meter can measure AC and DC voltages, resistance, capacitance, and continuity.
• The meter has a maximum voltage measurement of 300V AC/DC.
• The meter has a maximum current measurement of 10A DC.
• The meter has a maximum resistance measurement of 20MΩ.
• The meter has a maximum capacitance measurement of 100uF.
• The meter has a built-in LED flashlight.
• The meter has a low battery indicator.
• The meter has an auto power off feature.

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