| Specification : |
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| A. Sound Level Meter |
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Level Range |
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20~80dB |
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20~90dB |
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20~100dB |
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20~110dB |
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30~120dB |
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40~130dB |
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0~80dB |
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0~dB function in ON |
| ▪ |
Frequency Range |
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20Hz～20kHz |
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20Hz～8kHz (Low) |
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Linearity Range |
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100dB |
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Measurement |
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SPL, SPL-A, SPL-C, LAeq, LAe, LAmax, LAn, |
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Lpeak, Lcpeak, LAtm5, LAi, LAieq |
| ▪ |
Weighting Level |
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(A) 28~130dB (0~80 dB/0 - dB function in ON) |
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(C) 36~130dB |
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(Z) 40~130dB (Flat) |
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(C) 55~141dB (Peak) |
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(Z) 60~141dB (Flat) |
| ▪ |
Time Weighting |
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Fast, Slow, Impulse |
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Freq. Weighting |
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A, C, Z (FLAT) |
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Measurement Time |
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1s/3s/5s/10s/1min/5min/10min/15min/ |
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30min/ 1h/8h/12h/24h |
| ▪ |
Display |
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Liquid crystal and Backlight(128×64 points) |
| ▪ |
Date |
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year/month/day/hour：minute：second |
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Standard |
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JIS C1509-1:2005 Class II |
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IEC 61672-1:2002 Class II |
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| B. Octave Real-time Analysis |
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Measurement mode |
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Sound pressure level(Lp) |
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Equivalent continuous sound pressure level(Leq) |
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Sound exposure level(LE) |
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Maximum sound pressure level(Lmax) |
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1/1-octave filter |
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16Hz,31.5Hz,63Hz,125Hz,250 Hz,500Hz, |
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1 kHz, 2kHZ, 4kHz,8kHz,AP,OA |
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1/3-octave filter |
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12.5Hz,16Hz,20Hz,25Hz,31.5Hz,40Hz,50Hz, |
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63Hz, 80Hz, 100Hz,125Hz,160Hz,200Hz, |
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250Hz, 315Hz, 400Hz,500Hz,630Hz,800Hz, |
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1kHz,1.25kHz,1.6kHz, 2kHz,2.5kHz,3.15kHz, |
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4kHz,5kHz,6.3kHz,8kHz,10kHz,12.5kHz, |
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16kHz,AP,OA |
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Step Level range |
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10~80dB, 20~90dB, 30~100dB, 40~110dB, |
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50~120dB, 60~130dB (-10~60dB, 0~70dB, |
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10~80dB/0-dB function in ON) |
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| C. Sound Calibrator |
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| ▪ |
Range |
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94 dB |
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SPL tolerance |
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±0,3 dB |
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Nominal Frequency |
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1000Hz |
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Frequency Tolerance |
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±0,1% |
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Cover Microphone |
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Measurement Microphone 1-inch and 1/2-inch |
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(Included 1/2-inch microphone Adapter) |
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| D. Complete Unit |
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Mirophone / preamp |
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Windscreen |
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SD card |
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Sound Calibrator |
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Octave Real-time 1/1-1/3 |
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Exlusive printer |
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RS232 interface cable |
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Roll Paper 10 pcs |
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Software |
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Certificate Calibration |
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Screw driver |
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Software |
