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| | Home Extech 407730 40-to-130-Decibel Digital Sound Level Meter | |
|  | |  | | | Extech 407730 40-to-130-Decibel Digital Sound Level Meter | | | | | SKU:
90266 | | In Stock | | Availability:
Usually ships in 1-2 business days | | Only 4 left in stock, order soon! | | | | | | Digital Sound Level Meter --- Analog bargraph with 50dB range updates every 40ms | | | |
List Price:
| $89.99 | |
Our Price:
| $84.99 | |
You Save:
| $5.00 ( 5%)
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| | Product Details | | Product Length: | 9.0 inches | | Product Width: | 1.7 inches | | Product Height: | 2.2 inches | | Product Weight: | 2.0 pounds | | Package Length: | 11.5 inches | | Package Width: | 5.0 inches | | Package Height: | 1.2 inches | | Package Weight: | 0.55 pounds | | Average Customer Rating: |  based on 16 reviews |
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| | Features | Measures 40 to 130dB on digital display2dB accuracy with 0.1dB resolutionFast responding analog bar graphRecords Max/Min values over timeAuto power off and Max Hold function
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| | Customer Reviews | Average Customer Review: ( 16 customer reviews )
Write an online review and share your thoughts with other customers.
Most Helpful Customer Reviews
79 of 79 found the following review helpful:
 Easy to Use Decibel Sound Meter Aug 29, 2008
By Pard
""Somewhere in the High Sierra""
This Extech 407730 decibel sound meter is easy to use right out of the box and it works very well. The instructions are simple and easy to understand and everything worked as expected. I had never owned or used a sound meter before, so I wasn't sure what to expect, and someone told me it can be complicated, but it's "So simple a child could do it", to quote Dr. Leonard "Bones" McCoy from the original Star Trek (Spock's Brain episode)!
Having both the "A" and "C" ratings available to use is a good thing -- make sure you know which one you should use for your particular application (I did some basic web research to learn more). It measures 40 dB to 130 dB, and I was surprised to find that 43 dB is about my basic background noise in my yard, no wind but birds chirping.
Also, the "Max Hold" function is great; it keeps the highest rating on the display so if you mount the meter remotely, you can still see what it recorded.
I mounted it on a basic camera tripod and it worked fine. It actually has a metal tripod mounting thread, unlike some (expensive) digital cameras that use plastic.
The only nits I can pick are: 1) The little foam wind sock that sticks over the end is pretty flimsy and it comes off too easily, but not a biggie; and 2) The battery cover is attached with a tiny Phillips head screw, rather than having a cover that simply snaps on. So you'll need to find a very small #3 Phillips head screwdriver just to remove the batteries, and let's hope you don't have to do this at night or in the bush.
It seems well made for what it is -- basic plastic case and slightly mushy rubberized push buttons. The display is easy to read (not sure if it has a light, I only used it during the day).
Once you familiarize yourself with the instructions, you pretty much don't have to bother with them again, it's that easy to use. The batteries are the el cheapo type that probably have about 25% of the lifespan of a good pair, but otherwise, this is a very nice unit that's probably way overkill for just recording the neighbor's late night parties. I used it for a basic scientific research project and published the results and it worked fine for that.
29 of 31 found the following review helpful:
Great simple handy sound meter Feb 09, 2008
By Dutch Treat
"DT"
I use this meter to take OSHA readings in our plant. It is great to show the workers how loud it actually is and helps them with wearing ear protection more consistent.
15 of 15 found the following review helpful:
 Extech sound meter Dec 16, 2009
By Michael Burk
I recently entered a contest sponsored by Lockheed Martin called Silent Stamina where the objective was to design and build a model airplane that would fly the longest time and not produce more than 60 db at full throttle.
This was the cheapest sound level meter I found with an accuracy of +/- 2%.
My meter read about 1.5db to 2db below the contest directors meter, close enough.
17 of 19 found the following review helpful:
Perfect Dec 01, 2007
By Jim Lewis
Although I can't test the accuracy it seems to work perfectly. Easy to operate. Large easy to read display. Fit's the bill perfectly! Highly recommended.
16 of 18 found the following review helpful:
Good little unit Mar 20, 2008
By N. Francis
Overall not a bad unit. I used it to set my guitar effects pedal output volume level, so that the volume level would be the same for each selection. The only slight downside is the unit automatically shuts itself off to conserve the batteries, which got irritating while I was working. If I want it off, I'll turn it off and if I forget, shame on me!
See all 16 customer reviews on Amazon.com
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