• Conforms to IEC 942 Class 2
• 94dB and 114dB Sound Calibration at 1KHz
• Accurate and Simple to use
• Fits ½” Diameter Microphone
Output sound Pressure Level : 114 dB & 94 dB re 20 uPa under Re-frence Conditions
Output Frequency : 1000 Hz, ± 4%
Reference Temperature Conditions : > 23°C
Atmospheric Humidity : > 1013 mbar (760mm of Hg)
Relative Humidity : > 65 %RH
Accuracy of Sound Pressure Level : Under Stated Reference Environment Conditions ± 0.5 dB
