【實用工具app】dB Meter - lux decibel measurement tool|最夯免費app-綠色工廠好玩App

dB Meter in your pocket! Sound level meter with exclusive accuracy of measurements. Calibrated with professional high-precision decibel meter. We have made this dB Meter for that you could save on purchasing of professional sound level meters which cost hundreds of dollars. At the same time we love beautiful design and we like to surprise, therefore, having acquired our dB Meter you also receive the graceful and extremely convenient app with intuitive interface. Please note that dB Meter - lux decibel measurement tool app is not a replacement for a professional device and should be used for private purposes only. It provides a simple way to measure audio volumes in your environment. The app shows the approximate dB (decibel) level, also known as Sound Pressure Level (SPL). Features: - Unique and attractive design. - Exclusive simplicity and convenience of use . - Highly accurate measurements.- Full support for iPhone 6 and iPhone 6 Plus.- Saving geographical position for each measurement.- Opportunity to store and play back recorded measurements.- Lux quality.Have any questions or suggestions? Write to us: support@dbmeterpro.comDB Chart150-160 dB = Eardrum rupture 140 decibel = Aircraft carrier deck. 130 dB = Jet take-off (100 meters), gun blast at close range. 120 dB= Human pain threshold, loud rock concert. 110 decibel = Serious hearing damage if sustained for more than 1 hour. 100 dB = Serious hearing damage if sustained for more than 8 hours. 90 decibel = Likely hearing damage if sustained for more than 8 hours. 80 decibel = Potential but unlikely hearing damage if sustained for more than 8 hours. 70 dB = Just annoying, but probably safe. 60 dB= Typical conversational volume. 50 dB = A quiet, library conversation. 40 decibel = A whisper. 30 dB= Barely audible sound. 20 decibel= Threshold of human hearing.