The EM2242 is instruments designed to react the noise much like the human ear. The measurements taken by sound level meters are compared to known standards to identify whether the noise level could have a detrimental effect on humans located near the noise source. This meter measures and displays sound pressure levels in dB (decibels) from 30~130dB in 3 measurement ranges.
·3 measurement ranges
·Backlight digital LCD display
·Min./max and data hold functions
·‘A’ and ‘C’ frequency weighting
·‘Fast’ and ‘slow’ response time