Nama Alat : Sound Level Meter
Type : SP-22
Merek : Wohler (Germany)
Specification :
a. Sound Level Meter SP-22 |
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▪ | Range | : | 31,5 Hz to 8 kHz |
▪ | Accuracy | : | ± 1,5 dB |
▪ | 6 Level Range | : | 30 to 80 dB |
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| : | 40 to 90 dB |
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| : | 50 to 100 dB |
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| : | 60 t0 110 dB |
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| : | 70 to 120 dB |
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| : | 80 to 130 dB |
▪ | Automatic range | : | 30 to 130 dB |
▪ | Display | : | 3 ½ digit LCD |
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| : | resolution 0.1 dB |
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| : | Updated every 0.5 sec |
▪ | Quasi analog bar | : | 1 dB display steps, 50 dB display |
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| range, up dated every 50 ms |
▪ | Time Weighting | : | Fast : 125 ms |
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| : | Slow : 1 s |
▪ | Weight | : | 240 g |
▪ | power | : | 9V block battery |
b. Sound Calibrator |
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▪ | Frequency | : | 1000 Hz ± 2% |
▪ | Sound Pressure | : | 94dB and 114 dB |
▪ | Temp Operating | : | 0 to 50 ⁰C |
▪ | Power Supply | : | DC 9V Battery x 2 Pcs |
c. Complete Unit : | ▪ | Main Unit and Calibrator | |
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| ▪ | PC software for datalogging |
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| ▪ | Tripod with adapter and thread |
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| ▪ | Windscreen |
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| ▪ | Carrying case |