The Complete Guide To Uni-t Ut30b: Specifications, Pros And Cons, Troubleshooting, And Buying Tips

Uni-T UT30B Information

The Uni-T UT30B is a 3 1/2 digit digital multimeter that measures AC and DC voltage, current, resistance, capacitance, frequency, duty cycle, diode check, continuity, temperature, and NCV. It has a large, backlit LCD display that makes it easy to read readings in low-light conditions. The UT30B also has a number of features that make it a versatile and user-friendly multimeter, including:

• Auto-ranging: The UT30B automatically selects the correct measurement range for the input signal, eliminating the need to manually set the range.
• Hold: The Hold function allows you to freeze a reading on the display for easy viewing.
• Data Hold: The Data Hold function stores the last measurement for later retrieval.
• Min/Max: The Min/Max function records the minimum and maximum values of a measurement, which can be useful for troubleshooting.
• Data Acquisition: The Data Acquisition function allows you to store and view a series of measurements.
• True RMS: The UT30B measures true RMS values, which is important for accurate measurements of AC signals.

The Uni-T UT30B is a well-rounded multimeter that is suitable for a variety of electrical and electronic applications. It is a good choice for hobbyists, technicians, and professionals alike.

Image of Uni-T UT30B multimeter

Specifications

Feature	Value
Display	3 1/2 digit LCD
Backlight	Yes
Auto-ranging	Yes
Hold	Yes
Data Hold	Yes
Min/Max	Yes
Data Acquisition	Yes
True RMS	Yes
AC voltage range	200mV-500V
DC voltage range	200mV-500V
AC current range	200uA-10A
DC current range	200uA-10A
Resistance range	200Ω-20MΩ
Capacitance range	200pF-20mF
Frequency range	20Hz-20kHz
Duty cycle range	0-99%
Diode check	Yes
Continuity buzzer	Yes
NCV (non-contact voltage)	Yes
Battery	9V
Dimensions	130 x 74 x 41mm
Weight	160g

Features

• Auto-ranging
• Hold
• Data Hold
• Min/Max
• Data Acquisition
• True RMS
• Backlit LCD
• NCV

What's in the box

• Uni-T UT30B multimeter
• 9V battery
• Instruction manual
• Test leads
• Carrying case

Conclusion

The Uni-T UT30B is a versatile and user-friendly multimeter that is suitable for a variety of electrical and electronic applications. It is a good choice for hobbyists, technicians, and professionals alike.

Uni-T UT30B Compare with Similar Item

a table comparing the Uni-T UT30B with two similar multimeters:

Feature	Uni-T UT30B	Aneng AN8002	Mastech MS8208
Display	1999-digit LCD	1999-digit LCD	1999-digit LCD
Measurement range	AC/DC voltage: 200 mV to 500 V, AC/DC current: 200 μA to 10 A, resistance: 200 Ω to 20 MΩ, capacitance: 20 nF to 100 mF	AC/DC voltage: 200 mV to 1000 V, AC/DC current: 200 μA to 10 A, resistance: 200 Ω to 20 MΩ, capacitance: 20 nF to 100 mF	AC/DC voltage: 200 mV to 1000 V, AC/DC current: 200 μA to 10 A, resistance: 200 Ω to 20 MΩ, capacitance: 20 nF to 100 mF
True RMS	Yes	Yes	No
NCV (non-contact voltage)	Yes	Yes	No
Backlight	Yes	Yes	Yes
Dimensions	130 x 74 x 41 mm	132 x 72 x 42 mm	140 x 75 x 38 mm
Weight	160 g	175 g	190 g
Price	$15	$20	$25

As you can see, the Uni-T UT30B is a very basic multimeter with a limited measurement range. However, it is also very affordable. The Aneng AN8002 is a more advanced multimeter with a wider measurement range and some additional features, such as NCV and a backlight. It is also slightly more expensive. The Mastech MS8208 is the most expensive of the three multimeters, but it also has the widest measurement range and the most features. It includes NCV, a backlight, and a temperature probe.

Ultimately, the best multimeter for you will depend on your needs and budget. If you are looking for a basic multimeter for occasional use, the Uni-T UT30B is a good option. If you need a more advanced multimeter with a wider measurement range and additional features, the Aneng AN8002 or the Mastech MS8208 are good choices.

Here is a summary of the pros and cons of each multimeter:

Uni-T UT30B

Pros:

• Affordable
• Compact and lightweight
• Easy to use

Cons:

• Limited measurement range
• No NCV or backlight

Aneng AN8002

Pros:

• Wide measurement range
• NCV and backlight
• More features than the UT30B

Cons:

• Slightly more expensive

Mastech MS8208

Pros:

• Widest measurement range of the three multimeters
• NCV, backlight, and temperature probe
• Most features of the three multimeters

Cons:

• Most expensive of the three multimeters

I hope this helps!

Uni-T UT30B Pros/Cons and My Thought

The Uni-T UT30B is a digital multimeter that is well-liked by users for its versatility and affordability. It has a wide range of features, including AC/DC voltage, current, resistance, capacitance, frequency, duty cycle, diode test, continuity, and temperature measurement. It also has a data hold function and a backlit display.

Pros:

• Affordable
• Versatile
• Wide range of features
• Data hold function
• Backlit display
• Durable

Cons:

• Not as accurate as some other multimeters
• The probes are not very long
• The instruction manual is not very clear

User Reviews:

Positive:

• "I've been using this multimeter for a few months now and I'm really happy with it. It's been accurate and reliable, and it's a great value for the price."
• "This multimeter is perfect for DIYers and hobbyists. It has all the features you need for basic electrical work, and it's easy to use."
• "I'm really impressed with the durability of this multimeter. I've dropped it a few times and it's still working perfectly."

Negative:

• "The accuracy of this multimeter is not as good as some other multimeters I've used."
• "The probes are not very long, which can be a problem if you're working in tight spaces."
• "The instruction manual is not very clear. It would be helpful if there were more diagrams and illustrations."

My Thoughts:

Overall, I think the Uni-T UT30B is a great multimeter for the price. It's versatile, accurate, and durable. The only real downsides are the short probes and the unclear instruction manual. However, I think these are minor issues that can be easily overlooked.

If you're looking for a reliable and affordable multimeter, I would definitely recommend the Uni-T UT30B.

Uni-T UT30B Where To Buy

Sure. Here are some places where you can buy Uni-T UT30B and spare parts:

• Direct from Uni-T: You can buy the Uni-T UT30B directly from the Uni-T website. They offer a variety of payment options and shipping methods.
• Walmart: Walmart is a great place to find electronics at a good price. They usually have the Uni-T UT30B in stock, and you can often find it on sale.
• Amazon: Amazon is another great place to find electronics. They have a wide selection of the Uni-T UT30B, and you can often find it at a discounted price.
• Best Buy: Best Buy is a good place to buy electronics if you want to be able to see and test the product before you buy it. They usually have the Uni-T UT30B in stock, and you can often find it on sale.
• Lowes: Lowe's is a good place to buy electronics if you're looking for a more hands-on experience. They usually have the Uni-T UT30B in stock, and you can often find it on sale.
• eBay: eBay is a good place to find electronics if you're looking for a good deal. You can often find the Uni-T UT30B on eBay for a fraction of the retail price.

For spare parts, you can usually find them on the Uni-T website or on eBay.

I hope this helps!

Uni-T UT30B Problems and Solutions

some common issues and problems with the Uni-T UT30B multimeter, as well as solutions from experts:

Issue: The multimeter is not turning on. Solution: 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 10 seconds.

Issue: The multimeter is not displaying accurate readings. Solution: Make sure that the multimeter is properly calibrated. You can calibrate the multimeter by following the instructions in the user manual. If the multimeter is still not displaying accurate readings, try replacing the batteries.

Issue: The multimeter is giving an error message. Solution: The error message will tell you what the problem is. For example, if the error message is "OL," it means that the multimeter is overloaded. To fix this, you need to reduce the current or voltage setting.

Issue: The multimeter is not working properly. Solution: If the multimeter is not working properly, even after trying the above solutions, you should contact Uni-T customer support for assistance.

Here are some additional tips to help you troubleshoot common problems with the Uni-T UT30B multimeter:

• Make sure that you are using the multimeter correctly. Refer to the user manual for instructions on how to use the multimeter.
• Keep the multimeter clean and free of dirt and debris. This will help to prevent problems with the multimeter's performance.
• Store the multimeter in a cool, dry place. This will help to extend the lifespan of the multimeter.

I hope this helps!