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SM01-เครื่องวัดความดังเสียง, Digital Sound Meter, Decibel Meter, Noise tester AZ8928
รายละเอียด:
Description:
The digital sound level meter is easy to use and handy instrument for sound quality control in office, home, school and construction site. The meter has wide range of applications such as noise pollution studies, research and other industrial use.
Features:
- Conformed to the IEC 651 Type 2 and ANSI S1.4 Type 2 set standard
- Wide Measuring Range: 40 ~ 130 dB
- With 2 equivalent weighted sound pressure levels A and C
- Fast and Slow dynamic characteristic modes
- Bar graph indication for Sound Level Range
- Maximum hold function
- Large LCD screen with 4 digits reading
- MAX/MIN QUASI-ANALOG BAR INDICATOR
- AUTO/MANUAL RANGING SELECTION
- Fast & Slow response selectable
- Auto power off : 20 min after non-operation
- Low battery indicator
- Monitor the sound levels from traffic noise, alarm systems and workplace machinery
Specification:
| measurement frequency range: | |
300Hz ~ 8K Hz | |
| quasi-analog bar indicator | |
1dB display steps, 30dB dosplay range updated every 50ms | |
| measurement level ranges | |
4 ranges: 40~70dB, 60~90dB, 80~110dB, 100~130dB | |
| meas. level A weighting | |
40dB~130dB | |
| meas. level C weighting | |
45dB~130dB | |
| accurary | |
±2dB(at 94dB, 1K Hz) | |
| microphone | |
10mm(Dia) Electric Condenser Microphone | |
| Digital Disolay | |
3.5" LCD 0.1 resolution updated every 0.5 sec | |
| Power: | |
1x9V battery (not inclued) | |
Package included:
- 1 x Decibel Meter
- a user manual
คำค้นหา:
meter decibel sound sm01_เครื่องวัดความดังเสียง digital