Fungsi : Alat ukur kebisingan suara di area. |
Specification : | |
a. Sound Level Meter | |
▪ Range | : 30 ~ 130 dB |
▪ Measurement | : SPL : Leq : Lcpeak : Lmax |
▪ Weighting | : A (30~130 dB) |
: C (36~130 dB) | |
: Z (46~130 dB) | |
: C (55~130 dB) waveform peak hold | |
▪ Time weighting | : Fast, Slow |
▪ Linearity | : 70 dB |
▪ Frequency Range | : 20~8000Hz |
▪ Microphone | : 1/2 Electret condenser microphone |
▪ Power Supply | : 2AA batteries Alkalines |
▪ Standard | : IEC 60651 Type 2 |
: IEC 60804 Type 2 | |
: JIS C 1502: 1990 | |
b. Sound Calibrator | |
▪ Range | : 94 dB |
▪ SPL tolerance | : ±0,3 dB |
▪ Frequency | : 1000Hz |
▪ Freq. Tolerance | : ±0,1% |
c. Complete Unit | : Main Unit and Calibrator |
: Microphone / Preamp | |
: Windscreen | |
: Software | |
: Certificate Calibration | |
: Screwdriver, and carrying case |