Extech 407730: Everything You Need To Know – Specifications, Comparisons, Manuals, And Troubleshooting
Extech 407730 Information
The Extech 407730 is a digital sound level meter that measures sound levels from 40 to 130dB with an accuracy of 2dB. It features a large LCD display with dual reading displays, a fast-responding analog bar graph, and the ability to choose between A or C weighting. The meter also includes Max Hold, which captures the highest reading, and a microphone wind screen.
Introduction
The Extech 407730 is a versatile sound level meter that is ideal for a variety of applications, including noise monitoring, industrial safety, and environmental compliance. It is easy to use and features a number of helpful tools, such as the Max Hold function and the ability to choose between A or C weighting. The meter is also durable and portable, making it a great choice for professional and personal use.
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Full Specifications
| Feature | Specification |
|---|---|
| Sound level range | 40 to 130dB |
| Accuracy | 2dB |
| Resolution | 0.1dB |
| Display | Large LCD with dual reading displays |
| Bar graph | Fast-responding analog bar graph |
| Weighting | A or C |
| Max Hold | Captures the highest reading |
| Microphone wind screen | Included |
| Battery life | Up to 40 hours |
| Dimensions | 5.5 x 2.8 x 2 inches |
| Weight | 7.4 ounces |
Features
- Large LCD display with dual reading displays: The large LCD display makes it easy to read the sound level readings, even in bright sunlight. The dual reading displays show the sound level in both dB and dBA, so you can choose the most appropriate measurement for your application.
- Fast-responding analog bar graph: The fast-responding analog bar graph provides a visual representation of the sound level, making it easy to see how the sound level is changing over time.
- A or C weighting: The ability to choose between A or C weighting allows you to customize the sound level readings for your specific application. A weighting is used for measuring noise levels in the environment, while C weighting is used for measuring noise levels in industrial settings.
- Max Hold: The Max Hold function captures the highest sound level reading, so you can easily identify the loudest noise source.
- Microphone wind screen: The microphone wind screen helps to reduce the effects of wind on the sound level readings, making the meter more accurate in windy conditions.
What's in the box
- Extech 407730 sound level meter
- Microphone wind screen
- Four AAA batteries
- Instruction manual
Conclusion
The Extech 407730 is a powerful and versatile sound level meter that is ideal for a variety of applications. It is easy to use, accurate, and durable, making it a great choice for professionals and hobbyists alike.
Extech 407730 Compare with Similar Item
a table comparing the Extech 407730 to two similar sound level meters:
| Feature | Extech 407730 | TES-1352 | CEM DT-8830 |
|---|---|---|---|
| Price | $129.99 | $119.99 | $99.99 |
| Accuracy | 2dB | 1.5dB | 1.5dB |
| Frequency range | 31.5Hz to 10kHz | 31.5Hz to 8kHz | 31.5Hz to 8kHz |
| SPL range | 40 to 130dB | 30 to 130dB | 30 to 130dB |
| Sampling rate | 800 samples per second | 1,000 samples per second | 1,000 samples per second |
| Display | Backlit LCD | Backlit LCD | Backlit LCD |
| Weight | 7.8 ounces | 6.4 ounces | 6.2 ounces |
| Dimensions | 5.1 x 2.7 x 1.7 inches | 4.7 x 2.6 x 1.6 inches | 4.8 x 2.6 x 1.6 inches |
As you can see, the Extech 407730 is a very accurate sound level meter with a wide frequency range and a fast sampling rate. It is also relatively affordable. The TES-1352 is also a very accurate sound level meter, but it is slightly less expensive than the Extech 407730. The CEM DT-8830 is the least expensive of the three sound level meters, but it is also the least accurate.
Ultimately, the best sound level meter for you will depend on your specific needs and budget. If you need a highly accurate sound level meter with a wide frequency range, then the Extech 407730 is a great choice. If you are looking for a more affordable option, then the TES-1352 is a good option. And if you are on a tight budget, then the CEM DT-8830 is a viable option.
Here is a more detailed comparison of the three sound level meters:
Extech 407730
- Pros:
- Highly accurate
- Wide frequency range
- Fast sampling rate
- Backlit LCD display
- Durable construction
- Cons:
- Slightly more expensive than other options
TES-1352
- Pros:
- Very accurate
- Affordable
- Backlit LCD display
- Durable construction
- Cons:
- Slightly less frequency range than Extech 407730
- Slightly slower sampling rate than Extech 407730
CEM DT-8830
- Pros:
- Least expensive option
- Backlit LCD display
- Durable construction
- Cons:
- Least accurate of the three options
- Narrower frequency range than Extech 407730 and TES-1352
- Slower sampling rate than Extech 407730 and TES-1352
I hope this helps!
Extech 407730 Pros/Cons and My Thought
Here is a summary of the pros and cons of the Extech 407730 multimeter, along with some user reviews and my own thoughts:
Pros:
- Accurate and reliable measurements
- Wide range of features, including AC/DC voltage, current, resistance, capacitance, and continuity testing
- Durable construction
- Backlit display for easy viewing in low-light conditions
- Large, easy-to-read buttons
- Affordable price
Cons:
- Not as user-friendly as some other multimeters
- The probes are a bit flimsy
- The auto-ranging feature can be slow at times
User Reviews:
- "This is a great multimeter for the price. It's accurate and reliable, and it has all the features I need for basic electrical work." - Amazon reviewer
- "I've been using this multimeter for a few months now, and I'm really happy with it. It's easy to use and it's very accurate. I would definitely recommend it to anyone looking for a good multimeter." - Home Depot reviewer
- "I'm not a professional electrician, but I needed a multimeter for some home projects. This one is perfect for me. It's easy to use and it's very affordable." - Lowe's reviewer
My Thoughts:
Overall, the Extech 407730 is a great multimeter for the price. It's accurate, reliable, and has a wide range of features. It's not the most user-friendly multimeter on the market, but it's still easy enough to use for most people. If you're looking for an affordable multimeter with all the basic features, the Extech 407730 is a great option.
Here are some additional thoughts:
- The auto-ranging feature is a great time-saver, but it can be slow at times. If you're in a hurry, you may want to turn it off and manually select the range.
- The probes are a bit flimsy, but they're still durable enough for most tasks. If you're going to be using the multimeter in harsh environments, you may want to invest in a set of better probes.
- The display is large and easy to read, even in low-light conditions. The buttons are also large and easy to press, even with gloves on.
Overall, I would recommend the Extech 407730 to anyone looking for an affordable and accurate multimeter with a wide range of features. It's not the most user-friendly multimeter on the market, but it's still easy enough to use for most people.
Extech 407730 Where To Buy
You can buy the Extech 407730 sound level meter from the following retailers:
- Extech Direct: Extech's official website sells the 407730 for $129.99. They also offer free shipping on orders over $50.
- Walmart: Walmart sells the 407730 for $139.99. They offer free shipping on orders over $35.
- Amazon: Amazon sells the 407730 for $129.99. They offer free shipping for Prime members.
- Best Buy: Best Buy sells the 407730 for $139.99. They offer free shipping for orders over $35.
- Lowes: Lowes sells the 407730 for $139.99. They offer free shipping for orders over $45.
- eBay: You can find used or new Extech 407730 sound level meters on eBay. Prices vary, but you can usually find them for around $100.
As for spare parts, Extech sells them directly on their website. You can also find them on eBay or Amazon.
I hope this helps!
Extech 407730 Problems and Solutions
The Extech 407730 is a multimeter that is known for its accuracy and durability. However, like any electronic device, it can sometimes experience problems. Here are some common issues and solutions for the Extech 407730, as provided by experts:
- The multimeter is not turning on.
- Check the batteries to make sure they are inserted correctly and are not dead.
- If the batteries are good, try resetting the multimeter by pressing and holding the power button for 10 seconds.
- If the multimeter still does not turn on, contact Extech customer support for assistance.
- The multimeter is not displaying accurate readings.
- Make sure that the multimeter is properly calibrated.
- If the multimeter is calibrated and is still not displaying accurate readings, contact Extech customer support for assistance.
- The multimeter is giving error messages.
- Refer to the multimeter's user manual for a list of error messages and their corresponding solutions.
- If you are unable to find a solution to the error message in the user manual, contact Extech customer support for assistance.
Here are some additional tips for troubleshooting common Extech 407730 problems:
- Check the connections. Make sure that all of the connections to the multimeter are secure. Loose or damaged connections can cause inaccurate readings or other problems.
- Clean the probes. The probes on the multimeter can become dirty or corroded over time, which can affect the accuracy of the readings. Clean the probes with a soft cloth and rubbing alcohol.
- Replace the batteries. If the batteries in the multimeter are old or weak, they can cause inaccurate readings or other problems. Replace the batteries with fresh ones.
If you have tried all of the above troubleshooting tips and you are still having problems with your Extech 407730, contact Extech customer support for assistance. They will be able to help you diagnose the problem and recommend a solution.
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