Soundbook Wireless SLM Class 1

Soundbook Wireless SLM Class 1

SINUS Soundbook + SAMURAI software +wireless microphones

The Soundbook can be transformed into a single or multi-channel wireless sound level meter where there are no cables connecting the microphone(s) to the Soundbook. Using the SINUS Type 1 MM255 Wireless microphone system it is possible to measure in hard to reach locations where cables can’t easily go – this includes inside a closed room or vehicle cab, across a road or train tracks, across a drain stream or river, or on simultaneously measuring on each side of a noise barrier.

The MM255 wireless microphone system is supplied with a custom made Microtech Gefell preamp to work with the Line 6 wireless transmitter and a Type 1 Microtech Gefell microphone capsule. Up to twelve microphones may be connected into a single sound level measurement system.

The wireless microphone system can be used alongside other normal wired microphones with the SoundBook to allow for a versatile range of measurement scenarios.

The base SAMURAI software includes features such as:

SAMURAI software SLM – Sound Level Meter

• Class 1 according to IEC 60561, 60804, 61672
• Simultaneous A, C, Z frequency weightings
• Time weightings Fast, Slow, Impulse
• L_p, L_max, L_min, L_eq, L_peak of all level values
• L_E, L_Atm1/3/5, L_n
• 10 Percentiles
• Acquisition of  impulse and low-frequency levels
• Parallel storage of up to 5 sound level meters per channel with 61 measurement values at freely adjustable time intervals
• Triggered storage possible

1/3 octave and octave analyzer

• 1/3 octave filter according to IEC 61260 Class 0
• Third-octave and octave band analysis in real time
• Third-octave middle frequencies from 0.04 Hz … 80 kHz
• Selectable third-octave band ranges (acoustics, vibration and user-defined)
• Selectable averaging modes: linear, Fast, Slow, exponential
• Simultaneous display of momentary, max, min and Leq spectra
• Display and storage of total level
• Display as bar, contour or line graph
• Up to 5 third-octave and octave band analyzers per channel
• Triggered storage possible

It is possible to display multiple spectra on one graph such as Leq, Max or Live.
A reference spectrum curve can also be plotted on the spectrum graph.

The base SAMURAI software allows for display of time signal as part of the wav recording.

Time history can also be displayed on one or more graphs and can include multiple traces on one graph from SLM values or 1/3 octave bin values.