Standard Sound Ringing Capabilities at 94dB and 114dB
Can be used for both A Weighting and C Weighting Calibration
Low Battery Indication
Output frequency: 1kHz
Accuracy: ±0.5dB
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
Complete with user manual and battery