کالیبراتور صوت سنج SC-05
SC-05 Sound Level Calibrator
Features:
1.94dB and 114dB Sound Calibration at 1kHz
2.Accurate and simple to use
Specifications
Output Sound Pressure Levels
114dB and 94dB re 20 uPa under refrence conditions.
Output Frequency
1000Hz, ±4%
Reference Temperature Conditions
>23ºC (73ºF)
Atmospheric pressure
>1013 mbar (760mm of Hg)
Relative humidity
>65%RH
Accuracy of Sound Pressure Level
Under stated reference environment conditions ±0.5dB
Accessories: