What range is 40 to 130 decibels in sound level that is measured by the Extech Meter?
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 actuall
Digital Sound Level Meter, 40 to 130 dB Range, Frequency Range 300 to 8000 Hz, A and C Frequency Weighting, Accuracy +/-2.0 dB, Resolution 0.1 dB, Display 2000 Count LCD, Fast/Slow Response Time, Includes Microphone Windscreen, 4 AAA Batteries, Instructions Grainger Item # 1LYP4 Price (ea.) $116.10 Brand EXTECH Mfr. Model # 407730 Ship Qty. 1 Sell Qty. (Will-Call) 1 Ship Weight (lbs.) 0.5 Usually Ships** Today Catalog Page No. 2059 Item Digital Sound Level Meter dB Range 40 to 130 Frequency Range (Hz) 300 to 8000 Frequency Weighting A and C Accuracy +/-2 Resolution 0.1 Display 2000 Count LCD Response Time Fast/Slow Output Jack Yes Includes Microphone Windscreen, 4 AAA Batteries, Instructions Warranty Length 1 Year * Sound Level Meters * Survey Meters are adequate for general noise measurements and basic assessments. Type 2 Meters meet the requirements of OSHA and other noise ordinances. Frequency weighting “A” is used for all OSHA and community noise measurements. Frequency weighting “
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