94dB and 114dB Sound Level Calibrator Portable high precision 0.5dB

ر.س893.14

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Sound Level Calibrator
94dB and 114dB Sound Calibration at 1kHz; Accurate and simple to use; Fits 1/2” diameter microphone.
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:
9V battery, Carrying case,1/2”Microphone Adaptor (optional) and Clamshell.