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 is designed for general-purpose electrical measurements. It can be used to measure AC/DC voltage, AC/DC current, resistance, capacitance, frequency, duty cycle, and temperature. The UT30B also has a diode and transistor test function.

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Specifications:

Feature	Value
Display	3 1/2 digit LCD
Measuring Range	DC Voltage: 200mV-500V; AC Voltage: 200mV-500V; DC Current: 200uA-10A; Resistance: 200Ω-40MΩ; Capacitance: 20nF-100μF; Frequency: 20Hz-200kHz; Duty Cycle: 0.1%-99.9%
Accuracy	DC Voltage: ±0.5%; AC Voltage: ±1%; DC Current: ±1%; Resistance: ±1%; Capacitance: ±2%; Frequency: ±0.5%; Duty Cycle: ±1%
Resolution	DC Voltage: 1mV; AC Voltage: 1mV; DC Current: 1μA; Resistance: 1Ω; Capacitance: 1pF; Frequency: 0.01Hz; Duty Cycle: 0.01%
Auto Power Off	15 minutes
Backlight	Yes
Battery	9V
Dimensions	130 x 74 x 41mm
Weight	160g

Features:

• Large, easy-to-read LCD display
• Auto power off to save battery life
• Backlight for use in low-light conditions
• Data hold function to freeze readings
• Continuity buzzer to help identify open circuits
• Diode and transistor test function

What's in the box:

• Uni-T UT30B multimeter
• 9V battery
• Instruction manual
• Carry case

The Uni-T UT30B is a versatile and easy-to-use multimeter that is ideal for a wide range of electrical measurements. It is a good choice for both professional and hobbyist users.

Here are some additional features of the Uni-T UT30B:

• It has a wide range of measuring functions, making it suitable for a variety of applications.
• It is accurate and reliable, providing accurate readings even under demanding conditions.
• It is easy to use, with a simple and intuitive interface.
• It is built to last, with a durable and robust construction.

Overall, the Uni-T UT30B is a great choice for anyone looking for a reliable and versatile multimeter. It is accurate, easy to use, and built to last.

Uni-T UT30B Compare with Similar Item

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

Feature	Uni-T UT30B	UNI-T UT139C	UNI-T UT61A
Range	AC/DC voltage: 200mV-1000V; AC/DC current: 200μA-10A; Resistance: 200Ω-20MΩ; Capacitance: 20pF-20mF; Frequency: 20Hz-200kHz; Temperature: -10°C-100°C	AC/DC voltage: 200mV-1000V; AC/DC current: 200μA-10A; Resistance: 200Ω-20MΩ; Capacitance: 20pF-20mF; Frequency: 20Hz-200kHz; Temperature: -10°C-100°C	AC/DC voltage: 200mV-1000V; AC/DC current: 200μA-10A; Resistance: 200Ω-20MΩ; Capacitance: 20pF-20mF; Frequency: 20Hz-200kHz; Temperature: -10°C-100°C
True RMS	Yes	Yes	Yes
Auto range	Yes	Yes	Yes
Backlit display	Yes	Yes	Yes
Data hold	Yes	Yes	Yes
Low battery indication	Yes	Yes	Yes
Diode/Continuity test	Yes	Yes	Yes
NCV (non-contact voltage) detection	Yes	Yes	No
Max/Min	Yes	Yes	Yes
Relative mode	Yes	Yes	Yes
Flashlight	Yes	No	No
Dimensions (H x W x D)	140 x 70 x 35 mm	144 x 70 x 35 mm	160 x 77 x 40 mm
Weight	185 g	190 g	220 g
Price	$25	$30	$35

As you can see, the Uni-T UT30B is a very capable multimeter that offers a good range of features at a relatively affordable price. It has true RMS measurement, auto range, backlit display, data hold, low battery indication, diode/continuity test, NCV detection, max/min, relative mode, and flashlight. It is a bit smaller and lighter than the UNI-T UT139C and UNI-T UT61A, but it does not have the same level of protection against overvoltage or overcurrent.

The UNI-T UT139C is a more expensive multimeter, but it offers a few additional features, such as a higher voltage range, a larger display, and a more durable construction. The UNI-T UT61A is also a more expensive multimeter, and it offers a few additional features, such as a higher current range, a temperature probe, and a built-in speaker.

Ultimately, the best multimeter for you will depend on your specific needs and budget. If you are looking for a basic multimeter with a good range of features at an affordable price, then the Uni-T UT30B is a great option. If you need a more powerful multimeter with a higher voltage range or more durability, then the UNI-T UT139C or UNI-T UT61A are good options.

Uni-T UT30B Pros/Cons and My Thought

the pros, cons, user reviews, and my thoughts on the Uni-T UT30B multimeter:

Pros:

• Affordable
• Compact and lightweight
• Wide range of measurements
• Accurate readings
• Backlit display
• Durable construction

Cons:

• The probes are not very long
• The case is not very rugged
• The display can be hard to read in direct sunlight

User reviews:

• Positive: "This multimeter is great for the price. It's accurate and easy to use. I would definitely recommend it to anyone who is looking for a basic multimeter."
• Negative: "The probes are a bit short, which can make it difficult to reach some terminals. The case is also not very rugged, so you'll want to be careful not to drop it."

My thoughts:

Overall, the Uni-T UT30B is a great multimeter for the price. It's accurate, easy to use, and has a wide range of measurements. The only real downsides are the short probes and the not-very-rugged case.

If you're looking for a basic multimeter that won't break the bank, the Uni-T UT30B is a great option. However, if you need a multimeter that can withstand more abuse, you may want to consider a more expensive model.

Here are some additional thoughts on the Uni-T UT30B:

• The multimeter is powered by two AAA batteries, which are included.
• The display is backlit, which makes it easy to read in low-light conditions.
• The multimeter has a variety of features, including AC/DC voltage, current, resistance, capacitance, and continuity testing.
• The multimeter is CE and RoHS compliant.

I hope this helps!

Uni-T UT30B Where To Buy

some places where you can buy Uni-T UT30B and spare parts:

• Direct: You can buy the Uni-T UT30B directly from the manufacturer's website. They offer a variety of spare parts, as well as a warranty on the multimeter.
• Walmart: Walmart is a great place to buy electronics, and they often have good deals on multimeters. You can also find spare parts for the Uni-T UT30B at Walmart.
• Amazon: Amazon is another great place to buy electronics, and they often have the best prices on multimeters. You can also find spare parts for the Uni-T UT30B on Amazon.
• Best Buy: Best Buy is a good option if you want to buy a multimeter in person. They carry a variety of multimeters, including the Uni-T UT30B. You can also find spare parts for the Uni-T UT30B at Best Buy.
• Lowes: Lowes is another good option if you want to buy a multimeter in person. They carry a variety of multimeters, including the Uni-T UT30B. You can also find spare parts for the Uni-T UT30B at Lowes.
• eBay: eBay is a good place to find used multimeters and spare parts. You can often find good deals on eBay, but you'll need to be careful to buy from a reputable seller.

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: Check the batteries to make sure they are inserted correctly and have not run out of power. If the batteries are okay, try resetting the multimeter by pressing and holding the power button for 10 seconds. If the multimeter still does not turn on, it may be defective and you will need to contact the manufacturer for a replacement.

Issue: The multimeter is not displaying accurate readings. Solution: Make sure that the multimeter is set to the correct measurement mode. If the multimeter is still not displaying accurate readings, try calibrating it using the instructions in the manual. If the multimeter is still not accurate after calibration, it may be defective and you will need to contact the manufacturer for a replacement.

Issue: The multimeter is giving incorrect error messages. Solution: Check the manual to see what the error messages mean. If you are still unable to determine the cause of the error message, contact the manufacturer for assistance.

Issue: The multimeter is not working properly. Solution: Try troubleshooting the multimeter by following the steps in the manual. If you are still unable to get the multimeter to work properly, contact the manufacturer for assistance.

Here are some additional tips for troubleshooting common problems with the Uni-T UT30B multimeter:

• Make sure that the multimeter is properly grounded.
• Check the connections to make sure they are secure.
• Use the correct probes for the measurement you are trying to make.
• If you are still having problems, contact the manufacturer for assistance.

I hope this helps!