모델명 : EM2242
원산지 : CHINA
브랜드 : ALL & SUN
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.
SPECIFICATION
-.Microphone: 1/2 inch Electret
-.condenser microphone
-.Frequency range: 31.5Hz~8KHz
-.Measuring level range: A weighting 30~130 dB (Auto range)
C weighting 35~130 dB (Auto range)
-.Frequency weihting: A, C
-.Time weighting: FAST, SLOW
-.Dynamic range: 50dB
-.Accuracy: 1.5dB
·3 measurement ranges
·Backlight digital LCD display
·Min./max and data hold functions
·‘A’ and ‘C’ frequency weighting
·‘Fast’ and ‘slow’ response time