Engineered to meet your needs.
FREQUENCY ANALYSIS of the signal in 1/1 or 1/3 octave bands. The 1/1 octave analysis is often used for selection of hearing protectors. The 1/3 octave function allows to determine the influence of high or low frequencies on overall values.
AUDIO RECORDING is synchronized with a noise time-history and it can be opened and played back in Supervisor software enabling noise source recognition. The recording is programmable, it can be triggered on threshold or time and the length of recording can be set as well.
DOSIMETER option provides results such as: DOSE, DOSE_8h, PrDOSE, LAV, LAE (SEL), LAE8 (SEL8), PLAE (PSEL), E, E_8h, LEPd, PTC PEAK COUNTER), PTP (PEAK THRESHOLD %), ULT (UPPER LIMIT TIME), TWA, PrTWA, Lc-a and the selection of exchange rate between 2, 3, 4, 5, 6.
Type Approved Instrument.
The quality and accuracy of our SVAN 971 Class 1 Sound Level Meter has been confirmed by the Type Approval issued in December 2017 by BEV (Bundesamt fur Eich- und Vermessungswesen).