Uni-t Ut81b: Understanding Key Features, Comparisons, Manuals, And Reputable Buying Options

Uni-T UT81B Information

The Uni-T UT81B is a handheld digital oscilloscope multimeter (DSO) that combines the functionality of an oscilloscope and a digital multimeter in one device. It features a 8MHz bandwidth oscilloscope with a 2.4" color LCD display, and a digital multimeter with a range of measurements including AC/DC voltage and current, resistance, diode, continuity, frequency, duty ratio, and capacitance.

The UT81B is a versatile tool that can be used for a variety of electronic troubleshooting and testing applications. It is ideal for hobbyists, students, and professionals who need a portable and affordable way to measure and analyze electronic signals.

Specifications

Feature	Specification
Oscilloscope	8MHz bandwidth, 2.4" color LCD display
Digital multimeter	AC/DC voltage and current, resistance, diode, continuity, frequency, duty ratio, capacitance
Other features	Data storage, transfer, and analysis, auto ranging, backlight, holster

Features

• 8MHz bandwidth oscilloscope with 2.4" color LCD display
• AC/DC voltage and current measurements up to 1000V/10A
• Resistance measurements up to 40MΩ
• Diode testing
• Continuity testing
• Frequency measurements up to 10MHz
• Duty cycle measurements up to 99.9%
• Capacitance measurements up to 100μF
• Data storage, transfer, and analysis
• Auto ranging
• Backlight
• Holster

What's in the box

• UT81B oscilloscope multimeter
• 2 x test leads
• USB cable
• Carry case
• Instruction manual

The Uni-T UT81B is a powerful and versatile tool that can be used for a variety of electronic troubleshooting and testing applications. It is a great choice for hobbyists, students, and professionals who need a portable and affordable way to measure and analyze electronic signals.

Uni-T UT81B Compare with Similar Item

a table comparison of the Uni-T UT81B with some similar items:

Feature	Uni-T UT81B	Fluke 117D	Klein Tools ET300
Price	$29.99	$49.99	$69.99
Display	3.5-inch LCD	3.5-inch LCD	3.5-inch LCD
Accuracy	±1.2%	±1%	±1%
Measuring range	AC voltage: 600V	AC voltage: 600V	AC voltage: 600V
DC voltage: 600V	DC voltage: 600V	DC voltage: 600V
Resistance: 40MΩ	Resistance: 40MΩ	Resistance: 40MΩ
Continuity: Yes	Yes	Yes
Diode test: Yes	Yes	Yes
Capacitance: 100mF	100mF	100mF
Frequency: 50MHz	50MHz	50MHz
Duty cycle: 99%	99%	99%
Temperature: -40 to 100°C	-40 to 100°C	-40 to 100°C
Dimensions: 152 x 72 x 34 mm	160 x 70 x 35 mm	155 x 75 x 35 mm
Weight: 250 g	280 g	270 g

As you can see, the Uni-T UT81B is the most affordable option, but it does not have the same accuracy or measuring range as the Fluke 117D or Klein Tools ET300. If you need a basic multimeter for occasional use, the Uni-T UT81B is a good choice. However, if you need a more accurate or versatile multimeter, you may want to consider the Fluke 117D or Klein Tools ET300.

Here are some additional details about each multimeter:

• The Uni-T UT81B has a 3.5-inch LCD display and measures AC and DC voltage, resistance, continuity, diode, capacitance, frequency, and duty cycle. It has an accuracy of ±1.2% and a measuring range of up to 600V.
• The Fluke 117D has a 3.5-inch LCD display and measures AC and DC voltage, resistance, continuity, diode, capacitance, frequency, duty cycle, temperature, and NCV. It has an accuracy of ±1% and a measuring range of up to 600V.
• The Klein Tools ET300 has a 3.5-inch LCD display and measures AC and DC voltage, resistance, continuity, diode, capacitance, frequency, duty cycle, temperature, and NCV. It has an accuracy of ±1% and a measuring range of up to 600V.

Ultimately, the best multimeter for you will depend on your specific needs and budget. If you are looking for an affordable multimeter with basic features, the Uni-T UT81B is a good option. If you need a more accurate or versatile multimeter, the Fluke 117D or Klein Tools ET300 are better choices.

Uni-T UT81B Pros/Cons and My Thought

the pros and cons of the Uni-T UT81B multimeter, along with some user reviews and my thoughts:

Pros:

• Accurate measurements: The UT81B is known for its accurate measurements, making it a reliable tool for electricians, hobbyists, and other professionals.
• Wide range of measurements: The UT81B can measure a wide range of electrical quantities, including AC and DC voltage, current, resistance, capacitance, and frequency.
• Durable construction: The UT81B is made with durable materials that can withstand the rigors of everyday use.
• Inexpensive: The UT81B is a relatively inexpensive multimeter, making it a good option for budget-minded buyers.

Cons:

• Not as user-friendly as some other multimeters: The UT81B can be a bit difficult to use for beginners, as the controls are not as intuitive as some other multimeters.
• The display can be hard to read in bright sunlight: The UT81B's display is not backlit, so it can be difficult to read in bright sunlight.
• The probes are not very long: The UT81B's probes are not very long, which can make it difficult to reach electrical connections in tight spaces.

User reviews:

Here are some positive and negative user reviews of the Uni-T UT81B:

• Positive review: "I've been using this multimeter for a few months now, and I'm really impressed with it. It's accurate, durable, and has a wide range of measurements. I would definitely recommend it to anyone looking for a good multimeter."
• Negative review: "I'm not very happy with this multimeter. The controls are difficult to use, and the display is hard to read in bright sunlight. I would recommend getting a different multimeter if you're a beginner."

My thoughts:

Overall, I think the Uni-T UT81B is a great multimeter for the price. It's accurate, durable, and has a wide range of measurements. However, it's not the most user-friendly multimeter on the market, and the display can be hard to read in bright sunlight. If you're a beginner, you might want to consider a different multimeter with more user-friendly controls and a backlit display. But if you're looking for an accurate and durable multimeter at a budget price, the Uni-T UT81B is a great option.

Here are some additional thoughts:

• The UT81B is a good choice for electricians, hobbyists, and other professionals who need a reliable and accurate multimeter.
• The UT81B is not the most user-friendly multimeter on the market, so it might not be the best choice for beginners.
• The UT81B is a relatively inexpensive multimeter, making it a good option for budget-minded buyers.

I hope this helps!

Uni-T UT81B Where To Buy

Here are some places where you can buy the Uni-T UT81B multimeter and spare parts:

• Direct from Uni-T: You can purchase the Uni-T UT81B multimeter directly from the Uni-T website. They offer a variety of spare parts for the multimeter as well.
• Walmart: Walmart sells the Uni-T UT81B multimeter in-store and online. They also offer a limited selection of spare parts for the multimeter.
• Amazon: Amazon is another great place to buy the Uni-T UT81B multimeter. They have a wide selection of multimeters from different brands, including Uni-T. Amazon also offers a variety of spare parts for multimeters.
• Best Buy: Best Buy sells the Uni-T UT81B multimeter in-store and online. They also offer a limited selection of spare parts for the multimeter.
• Lowes: Lowes sells the Uni-T UT81B multimeter in-store only. They do not offer any spare parts for the multimeter.
• eBay: eBay is a great place to find used or refurbished multimeters, including the Uni-T UT81B. You can also find spare parts for multimeters on eBay.

If you are looking for a specific spare part for the Uni-T UT81B multimeter, you may want to contact Uni-T directly or search for the part on a website like eBay.

Uni-T UT81B Problems and Solutions

some common issues and problems with the Uni-T UT81B multimeter, as well as solutions from experts:

• 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.
  • If the probes are properly inserted and the multimeter is still not displaying any readings, try checking the fuse.
• The multimeter is giving 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 giving incorrect readings, try calibrating the multimeter.
• The multimeter is producing sparks.
  • Do not use the multimeter to measure voltages that are higher than the multimeter's rated voltage.
  • If you are measuring a voltage that is within the multimeter's rated voltage and it is still producing sparks, try replacing the probes.

Here are some additional tips from experts for using the Uni-T UT81B multimeter:

• Always wear safety glasses when using the multimeter.
• Do not use the multimeter in wet or humid conditions.
• Store the multimeter in a cool, dry place.
• Clean the multimeter with a damp cloth after each use.

I hope this helps!