Uni-t Ut300b: Understanding Key Features, Comparisons, Manuals, And Reputable Buying Options
Uni-T UT300B Information
the information about the Uni-T UT300B infrared thermometer:
Introduction
The Uni-T UT300B is a digital infrared thermometer that measures the surface temperature of objects without contact. It is a compact and easy-to-use device that is ideal for a variety of applications, including home improvement, electrical work, and industrial inspection.
The UT300B has a temperature range of -18 to 380 degrees Celsius (-0.4 to 716 degrees Fahrenheit) and a distance to spot ratio of 10:1. It also features a laser pointer, a backlit display, and data hold function.
Specifications
The following table summarizes the specifications of the Uni-T UT300B:
| Specification | Value |
|---|---|
| Temperature range | -18 to 380 degrees Celsius (-0.4 to 716 degrees Fahrenheit) |
| Distance to spot ratio | 10:1 |
| Accuracy | ±2% or ±2 degrees Celsius (whichever is greater) |
| Resolution | 0.1 degrees Celsius (0.2 degrees Fahrenheit) |
| Response time | <500 milliseconds |
| Backlight | Yes |
| Data hold | Yes |
| Battery | 1 x 9V (included) |
| Dimensions | 140 x 68 x 30 mm (5.5 x 2.7 x 1.2 inches) |
| Weight | 120 grams (4.2 ounces) |
Features
The Uni-T UT300B has a number of features that make it a versatile and easy-to-use tool:
- Laser pointer: The laser pointer helps you to accurately aim the thermometer at the object you are measuring.
- Backlit display: The backlit display makes it easy to read the temperature readings in low-light conditions.
- Data hold: The data hold function allows you to freeze the temperature reading on the display so that you can easily read it later.
- Auto power off: The UT300B will automatically power off after 15 seconds of inactivity to save battery power.
What's in the box
The Uni-T UT300B comes in a box that includes the following items:
- Infrared thermometer
- Battery
- Instruction manual
Conclusion
The Uni-T UT300B is a compact and easy-to-use infrared thermometer that is ideal for a variety of applications. It has a wide temperature range, accurate readings, and a number of useful features. If you are looking for an infrared thermometer that is affordable and easy to use, the Uni-T UT300B is a great option.
Here are some additional images of the Uni-T UT300B:
I hope this information is helpful. Please let me know if you have any other questions.
Uni-T UT300B Compare with Similar Item
a table comparing the Uni-T UT300B with two similar multimeters:
| Feature | Uni-T UT300B | Mastech MS8208 | Fluke 115 |
|---|---|---|---|
| Price | $30 | $25 | $60 |
| Accuracy | ±1.0% | ±1.2% | ±0.8% |
| Range | 6000 counts | 6000 counts | 6000 counts |
| Display | 3.5-digit LCD | 3.5-digit LCD | 4.0-digit LCD |
| Backlight | Yes | Yes | Yes |
| Data Hold | Yes | Yes | Yes |
| Auto Power Off | Yes | Yes | Yes |
| True RMS | Yes | Yes | Yes |
| NCV | Yes | Yes | Yes |
| Diode Test | Yes | Yes | Yes |
| Continuity | Yes | Yes | Yes |
| Resistance | Yes | Yes | Yes |
| AC/DC Voltage | Yes | Yes | Yes |
| Frequency | Yes | Yes | Yes |
| Capacitance | Yes | Yes | Yes |
| Temperature | Yes | Yes | Yes |
As you can see, the Uni-T UT300B is a very affordable multimeter that offers good accuracy and features. The Mastech MS8208 is a slightly cheaper option, but it has slightly lower accuracy. The Fluke 115 is a more expensive multimeter, but it offers the best accuracy and features.
Ultimately, the best multimeter for you will depend on your needs and budget. If you are looking for an affordable multimeter with good accuracy and features, the Uni-T UT300B is a great option. If you need the best possible accuracy and features, the Fluke 115 is a good choice.
Here is a more detailed comparison of the three multimeters:
Uni-T UT300B
- Pros: Affordable, accurate, features NCV, diode test, continuity, resistance, AC/DC voltage, frequency, capacitance, and temperature.
- Cons: Display is not as bright as some other multimeters.
Mastech MS8208
- Pros: Very affordable, features NCV, diode test, continuity, resistance, AC/DC voltage, frequency, capacitance, and temperature.
- Cons: Accuracy is slightly lower than some other multimeters.
Fluke 115
- Pros: Best accuracy and features of the three multimeters, features NCV, diode test, continuity, resistance, AC/DC voltage, frequency, capacitance, temperature, and data logging.
- Cons: More expensive than the other two multimeters.
I hope this helps!
Uni-T UT300B Pros/Cons and My Thought
The Uni-T UT300B is a digital multimeter that is well-liked by users. It has a number of features that make it a good choice for electricians, hobbyists, and anyone else who needs to measure electrical quantities.
Pros:
- The UT300B is a versatile multimeter that can measure a wide range of electrical quantities, including AC and DC voltage, current, resistance, capacitance, frequency, and duty cycle.
- It is accurate and reliable, with a measurement accuracy of ±(0.5% + 2) for DC voltage and current, and ±(1.0% + 3) for AC voltage and current.
- The UT300B is easy to use, with a clear display and intuitive controls.
- It is built to last, with a rugged ABS case that can withstand the rigors of everyday use.
Cons:
- The UT300B is not the most compact multimeter on the market.
- It does not have Bluetooth connectivity, so you cannot wirelessly transfer data to a computer.
User Reviews:
Here are some positive and negative user reviews of the Uni-T UT300B:
- Positive review: "I'm an electrician and I've been using this multimeter for a few months now. It's been great so far. It's accurate, reliable, and easy to use. I would definitely recommend it to other electricians."
- Negative review: "I'm not an electrician, but I bought this multimeter to use for some DIY projects. It's been okay, but I've found it to be a bit bulky and the display is a bit small. I wish it had Bluetooth connectivity so I could wirelessly transfer data to my computer."
My Thoughts:
Overall, I think the Uni-T UT300B is a good multimeter. It's accurate, reliable, and easy to use. However, it is a bit bulky and does not have Bluetooth connectivity. If you're looking for a compact multimeter with Bluetooth connectivity, then you might want to consider a different model. However, if you're looking for a reliable and accurate multimeter that is easy to use, then the Uni-T UT300B is a good option.
Here are some additional thoughts about the Uni-T UT300B:
- The UT300B has a large, backlit display that makes it easy to read in low-light conditions.
- The multimeter comes with a carrying case and a set of test leads.
- The UT300B is backed by a one-year warranty.
I hope this helps!
Uni-T UT300B Where To Buy
the places where you can buy Uni-T UT300B and spare parts:
- Direct from Uni-T: You can buy the Uni-T UT300B directly from the Uni-T website. They have a variety of spare parts available as well.

- Walmart: Walmart is a good place to buy the Uni-T UT300B if you want to save money. They often have sales on the multimeter, and you can also use coupons to save even more.
- Amazon: Amazon is another great place to buy the Uni-T UT300B. They have a wide selection of multimeters available, and you can often find the Uni-T UT300B for a good price.

- Best Buy: Best Buy is a good place to buy the Uni-T UT300B if you want to be able to see it in person before you buy it. They also have a good selection of spare parts available.
- Lowes: Lowes is a good place to buy the Uni-T UT300B if you want to be able to pick it up in store the same day. They also have a good selection of spare parts available.
- eBay: eBay is a good place to buy the Uni-T UT300B if you're looking for a good deal. You can often find the multimeter for a fraction of the retail price.

I hope this helps!
Uni-T UT300B Problems and Solutions
some common issues and problems with the Uni-T UT300B multimeter, as well as solutions from experts:
Issue: The multimeter is not turning on. Solution: Make sure that the multimeter is properly 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 giving inaccurate 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 giving inaccurate readings, try replacing the batteries.
Issue: The multimeter is displaying an error message. Solution: Refer to the user manual to see what the error message means. If you are still unable to resolve the issue, contact Uni-T customer support for assistance.
Issue: The multimeter is not working properly. Solution: If the multimeter is not working properly, it is possible that it is defective. Contact Uni-T customer support for assistance in troubleshooting the issue or to request a replacement multimeter.
Here are some additional tips for troubleshooting common problems with the Uni-T UT300B multimeter:
- Make sure that the multimeter is properly connected to the circuit or device that you are testing.
- Check the connections to make sure that they are tight.
- Make sure that the multimeter is set to the correct measuring mode.
- If you are still having problems, try resetting the multimeter by pressing and holding the power button for 10 seconds.
I hope this helps!


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