Nama Alat : Sound Level Meter
Type : SP-22
Merek : Wohler
Specification :
| a. Sound Level Meter SP-22 | |||
| ▪ | Range | : | 31,5 Hz to 8 kHz |
| ▪ | Accuracy | : | ± 1,5 dB |
| ▪ | 6 Level Range | : | 30 to 80 dB |
| : | 40 to 90 dB | ||
| : | 50 to 100 dB | ||
| : | 60 t0 110 dB | ||
| : | 70 to 120 dB | ||
| : | 80 to 130 dB | ||
| ▪ | Automatic range | : | 30 to 130 dB |
| ▪ | Display | : | 3 ½ digit LCD |
| : | resolution 0.1 dB | ||
| : | Updated every 0.5 sec | ||
| ▪ | Quasi analog bar | : | 1 dB display steps, 50 dB display |
| range, up dated every 50 ms | |||
| ▪ | Time Weighting | : | Fast : 125 ms |
| : | Slow : 1 s | ||
| ▪ | Weight | : | 240 g |
| ▪ | power | : | 9V block battery |
| b. Sound Calibrator | |||
| ▪ | 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 | |
| ▪ | PC software for datalogging | ||
| ▪ | Tripod with adapter and thread | ||
| ▪ | Windscreen | ||
| ▪ | Carrying case | ||