| L520240 |
*For Frequency spectra analysis
* Meas. function£ºInstantaneous sound level Lp, reverberation time Tr.
* With 1/1 and 1/3 octave band pass filters according to the IEC61260-1995 class 2 inside.
* Center frequency of 1/1 octave filters£º31.5,63,125,250,500,1000£¬2000£¬4000£¬8000£¬16000Hz.
* Center frequency of 1/3 octave filters£º,25,31.5,40,50,63,80,125,160,200,250,315,400,500,630,800,1000,1250,1600,2000,2500,3150,4000,
5000,6300,8000,10000,12500,16000Hz.
* Display£ºAWA6270+A/B/C:128¡Á64 graphics back-lit LCD. Spectra graphs or table displayed on LCD.
* Meas. range for reverberation time£º0.3s~10s.
* 2000 group frequency spectra date may be stored.
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| L520245 |
* For frequency spectral analysis and statistical analysis
* Meas. function£ºLp£¬Leq£¬Lmax£¬Lmin£¬L5£¬L10£¬L50£¬L90£¬L95£¬SD£¬LAE£¬E£¬Ld£¬Ln£¬Ldn£¬Tm.
* With 1/1 octave band pass filters according to the IEC61260-1995 class 2 inside.
* Center frequency of 1/1 octave filters£º31.5,63,125,250,500,1000£¬2000£¬4000£¬8000£¬16000Hz.
* Meas. time£ºman., 10s£¬1min£¬5 min£¬10 min£¬15 min£¬20 min£¬30 min£¬1h£¬4h£¬8h£¬24h.
* Scientific deletion and remembrance, the burst noise may be deleted.
* 2000 group date or 80 day measurement results may be stored.
* 24h automatic monitoring, measuring once per hours.
* Display£º Character back-lit LCD. The change of instantaneous SPL may be displayed on LCD. |
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