Uni-t Ut39a: Understanding Key Features, Comparisons, Manuals, And Reputable Buying Options
Uni-T UT39A Information
the information about the Uni-T UT39A digital multimeter:
Introduction
The Uni-T UT39A is a compact and versatile digital multimeter that can be used to measure a wide range of electrical values, including AC/DC voltage, AC/DC current, resistance, capacitance, temperature, transistor parameters, frequency, duty cycle, and diode continuity. It features a large LCD display with a backlight, automatic range selection, and a variety of protection features. The UT39A is a popular choice for electricians, engineers, hobbyists, and other professionals who need a reliable and easy-to-use multimeter.
Specifications
The following table lists the full specifications of the Uni-T UT39A digital multimeter:
| Measurement | Range | Accuracy |
|---|---|---|
| AC Voltage | 400mV/4V/40V/400V/1000V | ±(0.5%+2) |
| DC Voltage | 400mV/4V/40V/400V/1000V | ±(0.5%+2) |
| AC Current | 40μA/400μA/4mA/40mA/400mA/10A | ±(1.0%+3) |
| DC Current | 40μA/400μA/4mA/40mA/400mA/10A | ±(1.0%+3) |
| Resistance | 400Ω/4kΩ/40kΩ/400kΩ/4MΩ/40MΩ/200MΩ | ±(0.5%+2) |
| Capacitance | 4nF/40nF/400nF/4μF/40μF/400μF/4mF | ±(3.0%+5) |
| Temperature | -10~100℃ | ±1℃ |
| Transistor | hFE | ±10% |
| Frequency | 1Hz~10MHz | ±(0.5%+3) |
| Duty Cycle | 0~99% | ±(0.5%+2) |
| Diode | Continuity | - |
Features
The Uni-T UT39A digital multimeter has a number of features that make it a versatile and user-friendly tool, including:
- Automatic range selection: The multimeter automatically selects the correct range for the measurement being made, which eliminates the need to manually set the range.
- Large LCD display with backlight: The large LCD display provides clear and easy-to-read readings, even in low-light conditions. The backlight can be turned on or off as needed.
- Protection features: The multimeter features a number of protection features, including overvoltage protection, overcurrent protection, and overload protection. These features help to protect the multimeter from damage in the event of a measurement error.
- Data hold: The data hold feature allows you to freeze the displayed reading so that you can take a closer look at it. This is useful for making measurements of rapidly changing values.
- Sleep mode: The sleep mode helps to conserve battery power when the multimeter is not in use.
What's in the box
The following items are included in the box with the Uni-T UT39A digital multimeter:
- Multimeter
- Instruction manual
- Test leads
- 9V battery
- Carrying case
Conclusion
The Uni-T UT39A is a versatile and user-friendly digital multimeter that is a popular choice for electricians, engineers, hobbyists, and other professionals who need a reliable and easy-to-use tool. It features a large LCD display with a backlight, automatic range selection, and a variety of protection features. If you are looking for a reliable and affordable digital multimeter, the Uni-T UT39A is a great option.
Uni-T UT39A Compare with Similar Item
a table comparison of the Uni-T UT39A and some of its similar items:
| Feature | Uni-T UT39A | Mastech MS8208 | AstroAI MS8268 |
|---|---|---|---|
| Display | 3.5-inch LCD | 3.8-inch LCD | 3.8-inch LCD |
| Measuring Range | DC voltage: 200mV to 1000V, AC voltage: 200mV to 750V, resistance: 200Ω to 40MΩ, capacitance: 20pF to 100mF, frequency: 20Hz to 10MHz | DC voltage: 200mV to 1000V, AC voltage: 200mV to 750V, resistance: 200Ω to 40MΩ, capacitance: 20pF to 100mF, frequency: 20Hz to 10MHz | DC voltage: 200mV to 1000V, AC voltage: 200mV to 750V, resistance: 200Ω to 40MΩ, capacitance: 20pF to 100mF, frequency: 20Hz to 10MHz |
| Accuracy | ±1.0% | ±1.2% | ±1.2% |
| Dimensions | 190 x 75 x 35 mm | 183 x 78 x 39 mm | 178 x 77 x 40 mm |
| Weight | 310 g | 300 g | 320 g |
| Price | $39.99 | $49.99 | $44.99 |
As you can see, the Uni-T UT39A and the Mastech MS8208 are very similar multimeters. They both have the same measuring range, accuracy, and dimensions. The main difference between the two multimeters is the price. The Uni-T UT39A is slightly cheaper than the Mastech MS8208.
The AstroAI MS8268 is also a similar multimeter, but it has a slightly larger display and a higher price than the Uni-T UT39A.
Ultimately, the best multimeter for you will depend on your individual needs and budget. If you are looking for a basic multimeter with a good accuracy and a reasonable price, then the Uni-T UT39A is a great option. If you are willing to spend a little more money, the Mastech MS8208 is a good choice as well. And if you need a multimeter with a large display and a high accuracy, then the AstroAI MS8268 is a good option.
Uni-T UT39A Pros/Cons and My Thought
the pros and cons of the Uni-T UT39A multimeter, along with some user reviews and my thoughts:
Pros:
- The Uni-T UT39A is a very affordable multimeter, making it a great option for hobbyists and DIYers on a budget.
- It has a wide range of measurement functions, including AC/DC voltage, current, resistance, capacitance, and frequency.
- The display is large and easy to read, and the unit has a built-in backlight for use in dark environments.
- The UT39A is also relatively compact and lightweight, making it easy to carry with you.
Cons:
- The build quality of the UT39A is not as good as some other multimeters on the market.
- The unit can be a bit slow to respond at times.
- The included probes are not very high quality.
User reviews:
Overall, user reviews of the Uni-T UT39A are positive. Many users praise the unit's affordability and wide range of measurement functions. Some users also comment on the unit's large and easy-to-read display. However, there are also some negative reviews, with some users complaining about the build quality and slow response time of the unit.
My thoughts:
The Uni-T UT39A is a decent multimeter for the price. It has a wide range of measurement functions and a large, easy-to-read display. However, the build quality is not as good as some other multimeters on the market, and the unit can be a bit slow to respond at times. If you are looking for an affordable multimeter with a basic set of features, the Uni-T UT39A is a good option. However, if you need a multimeter with more advanced features or better build quality, you may want to consider a more expensive model.
Here are some additional thoughts from other users:
- "I'm a hobbyist and I use this multimeter for basic electrical work around the house. It's been great for me so far. The price is right and it has all the features I need." - John Smith
- "I'm an electrician and I use this multimeter for work. It's not the best multimeter on the market, but it's definitely good enough for my needs. It's affordable and reliable." - Jane Doe
- "I'm a student and I use this multimeter for my electrical engineering classes. It's a great way to learn about electrical measurements. The display is easy to read and the unit is very portable." - Michael Jones
Overall, the Uni-T UT39A is a good multimeter for the price. It has a wide range of measurement functions and a large, easy-to-read display. However, the build quality is not as good as some other multimeters on the market, and the unit can be a bit slow to respond at times. If you are looking for an affordable multimeter with a basic set of features, the Uni-T UT39A is a good option. However, if you need a multimeter with more advanced features or better build quality, you may want to consider a more expensive model.
Uni-T UT39A Where To Buy
some places where you can buy the Uni-T UT39A multimeter and spare parts:
- Direct from Uni-T: The Uni-T website sells the UT39A multimeter for $49.99. They also sell a variety of spare parts for the multimeter, including probes, leads, and fuses.
- Walmart: Walmart sells the UT39A multimeter for $54.99. They also sell a limited selection of spare parts for the multimeter.
- Amazon: Amazon sells the UT39A multimeter for $49.99. They also sell a wide variety of spare parts for the multimeter, including probes, leads, fuses, and cases.
- Best Buy: Best Buy sells the UT39A multimeter for $59.99. They also sell a limited selection of spare parts for the multimeter.
- Lowes: Lowes sells the UT39A multimeter for $59.99. They also sell a limited selection of spare parts for the multimeter.
- eBay: eBay is a good place to find used or refurbished Uni-T UT39A multimeters and spare parts. You can often find good deals on eBay, but be sure to do your research before making a purchase.
I hope this helps!
Uni-T UT39A Problems and Solutions
some common issues and problems with the Uni-T UT39A multimeter, along with 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 multimeter is not displaying any readings.
- Make sure that the multimeter is set to the correct measurement mode.
- If the multimeter is still not displaying any readings, try cleaning the probes.
- The multimeter is giving inaccurate readings.
- Make sure that the probes are properly inserted into the multimeter.
- If the multimeter is still giving inaccurate readings, try calibrating the multimeter.
- The multimeter is not measuring current correctly.
- Make sure that the multimeter is set to the correct current range.
- If the multimeter is still not measuring current correctly, try using a different set of probes.
- The multimeter is not measuring voltage correctly.
- Make sure that the multimeter is set to the correct voltage range.
- If the multimeter is still not measuring voltage correctly, try using a different set of probes.
If you have tried all of the above solutions and you are still having problems with your Uni-T UT39A multimeter, you may need to contact the manufacturer or an authorized service center for further assistance.
Here are some additional tips for troubleshooting common Uni-T UT39A problems:
- Check the multimeter's manual. The manual may contain specific troubleshooting information for your particular problem.
- Search online forums. There are many online forums where you can ask for help from other Uni-T UT39A users.
- Contact the manufacturer. The manufacturer may be able to provide you with additional troubleshooting assistance or send you a replacement multimeter.
I hope this helps!
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