Digital noise meter
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Digital noise meter
EM2242, Sound Level Meter
Introduction
This instrument can be used to measure sound level in various sites, such as factory, school, office, family, and etc.
参数/ Specifications
Display: 4 digits LCD
Standard Applied: IEC 61672-1 class 2
Frequency Weighting: A/C
Measuring Range:
A Weighting: 30dB - 130dB
C Weighting: 35dB - 130dB
Frequency Range: 31.5Hz - 8kHz
Resolution: 0.1dB
Display Update: 2 times/sec
Dynamic Range: 50dB
Overrange Indication:
" OL " appears when the upper limit of measuring range is exceeded.
" Lo " appears when the measured value is below the lower limit.
MAX mode and MIN Mode
Time Weighting: 125ms (FAST mode) or 1s (SLOW mode)
Microphone: 1/2 inch Electret condenser microphone
Operating Altitude: < 2000m above sea level
Operating Environment: 5°C - 40°C, < 80%RH
Storage Environment: -10°C - 60°C, < 70%RH
Battery: 9V battery, 6F22 or equivalent, 1 piece
Size: 193×67×44mm
Weight: about 184g (including battery)
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