The Check Mate CM-140 Sound Pressure Level Meter by Galaxy Audio скачать в хорошем качестве

The Check Mate CM-140 Sound Pressure Level Meter by Galaxy Audio

This short video takes you through a quick introduction of the Galaxy Audio CHECK MATE series CM-140 SPL (Sound Pressure Level) meter. Today, there is a need to know just how loud your surroundings really are. The Galaxy Audio CM-140 SPL meter measures sound levels and gives it to you as a number in decibels. How loud is too loud? Sound Pressure or a sound’s loudness is measured in decibels (dB). Hearing damage is related to the duration and levels (volume) that one is exposed to. Normal conversation is around 60 dB (Decibels). A Rock Concert can be anywhere from 115 to 125 dB (Decibels). The Max exposure time at a continuous 115 dB is only about 30 seconds. Hearing damage can occur at a continuous 115 dB level beyond the initial 30 seconds. Examples of dB with Max Exposure Time (MET) at Continuous dB: 180+ db A NASA Rocket launch...(MET) none 165 dB 12-gauge shotgun………...(MET) none 145 dB Fireworks…………………..(MET) none 135 dB Jet plane at 100 feet………(MET) none 122 dB Ambulance, Jack hammer.. (MET) 15 seconds 115 dB Chainsaw……………………(MET) 30 seconds 105 dB Music player with Earbuds ..(MET) 3.75 minutes 95 dB Gas mower, hair dryer……….(MET) 1 hour 85 dB Busy city traffic……………….(MET) 8 hours Find out more information: https://www.galaxyaudio.com/products/... Official Website: https://www.galaxyaudio.com Facebook:   / galaxyaudio   Twitter:   / galaxyaudioinc   Instagram:   / galaxyaudio