Máy đo độ ồn Castle Sonus GA216L

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Máy đo độ ồn Castle Sonus GA216L

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Máy đo độ ồn Castle Sonus GA216L


Standards IEC61672-1-2002 (Sound Level Meters) IEC61252-1993 (Personal Sound Exposure Meters) Level ranges:

RANGE DISPLAY RANGE LINEAR RANGE PEAK RANGE
30-100 29 – 101dB 30 – 100dB 40 – 103dB
50-120 59 – 121dB 50 – 120dB 60 – 123dB
70-140 69 – 141dB 70 – 140dB 80 – 143dB
Linear Operating Range 70dB
Detector Characteristics RMS and Peak
Frequency Weighting ‘A’, ‘C’ & ‘Z’ Weighted in Accordance with IEC 61672-1-2002 Combinations of ‘A’, ‘A’&’C’ simultaneous or ‘A’&’Z’ simultaneous available for Leq, Lmax and Pmax
Time Weighting ‘Slow’, ’Fast’ and ‘Impulse’ in Accordance with IEC 61672-1-2002
Exchange Rate 3dB, 4dB or 5dB
Criterion Level 75dB, 80dB, 85dB or 90dB
Threshold Level -5dB, -10dB or OFF
Peak 3dB above top of selected range
Display Custom alphanumeric LCD, digit size 7mm x 5mm
Memory 2100 Data Intervals Maximum
Microphone/ Preamplifier ACO 7146A pre-polarised ½” condenser microphone, 25mV / Pa
Calibration 91.0 to 120.0dB @ 1KHz
Batteries 1 x PP3 (9V) Approximately 12 hours continuous use
Operating Temperature Operating Range: -10 to + 50ºC
Humidity Effect: < 0.5dB from 25% to 90% RH
Vibration No effect on instrument


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@ 2016 NAB
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