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