- Sound measurements
- Environmental noise
- Occupational noise
- Building acoustic
- Ultrasound/infrasound
- High level/low level noise
- Machine vibration
- Tonality measurement
Specifications:
Standards
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Class 1: IEC 61672-1:2002 (PTB approval 21.21/13.06)
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Number of Profiles
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3
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Weighting Filters
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A, B, C, Z, G
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Time constants
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Slow, Fast, Impulse
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RMS Detector
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Digital True RMS detector with Peak detection, resolution 0.1 dB
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Microphone
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GRAS 40AE, 50 mV/Pa, prepolarised 1/2” condenser microphone
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Preamplifier
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SV 17 IEPE type / 200V external polaristation compatible
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Linear Operating Range
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22 dBA RMS ÷ 140 dBA Peak (in accordance to IEC 61672)
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Total Dynamic Measurement
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Range12 dBA RMS ÷ 140 dBA Peak (typical from noise floor to the maximum level)
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Internal Noise Level
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less than 12 dBA RMS
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Dynamic Range
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>110 dB
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Frequency Range
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3.15 Hz ÷ 20 kHz with GRAS 40AE microphone
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Meter Mode Results
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SPL, Leq, SEL, Lden, LEPd, Overload time, Ltm3, Ltm5, LMax, LMin, LPeak Simultaneous measurement in three profiles with independent filters and detectors
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Statistics
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Ln (L1-L99), complete histogram in meter mode, averaging: linear of with detector (exponential) Ln (L1-L99) statistics in 1/1 or 1/3 octaves (if option is active)
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Data Logger
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logging of summary results with step from 10 s (auto-save function) logging of time history with step from 2 ms
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Audio Recording (option)
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Audio events recording during measurement, trigger or continuous mode, 12 / 24 / 48 kHz sampling rate, 16 or 24 bit, wav format
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Wave Recording (option)
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Time domain signal recording during measurement 12 / 24 / 48 kHz sampling rate, 16 or 24 bit, wav format
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