Standards |
Class 1: IEC 61672-1:2002 |
Weighting Filters |
A, B, C, Z |
Time constants |
Slow, Fast, Impulse |
RMS Detector |
Digital True RMS detector with Peak detection, resolution 0.1 dB |
Microphone |
ACO 7052E, 35 mV/Pa, prepolarised 1/2" condenser microphone |
Calibration |
Automatic calibration @ 114 dB/1 kHz |
Preamplifier |
Detachable |
Linear Operating Range |
25 dBA RMS ¡À 140 dBA Peak (in accordance to IEC 61672) |
Total Dynamic Measurement Range |
15 dBA RMS ¡À 140 dBA Peak (typical from noise floor to the maximum level) |
Internal Noise Level |
less than 15 dBA RMS |
Dynamic Range |
>110 dB |
Frequency Range |
10 Hz ¡À 20 kHz |
Meter Mode Results |
SPL, Leq, SEL, Lden, Ltm3, Ltm5, LMax, LMin, LPeak plus "running Leq" up to 60 minutes
Simultaneous measurement in three profiles with independent set of filters and detectors |
Statistics |
Ln (L1-L99), complete histogram in meter mode |
Data Logger |
Time-history logging of summary results, spectra with adjustable double logging steps down to 100 s |
Audio Recording |
Audio events recording, trigger and continuous mode, 12 kHz sampling rate, wav format (option) |
Voice Comments |
Audio records on demand, created before or after measurement, added to measurement file |
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