Applications:
For quick and easy calibration of sound level meters and sound measuring systems.
Details:
Model:A
Standards:GB/T15173, ANSI S1.40 CLASS2, IEC942
Sound Pressure Level:94dB/114dB
Accuracy:0.5dB
Model:B
Standards:GB/T15173, ANSI S1.40 CLASS2, IEC942
Sound Pressure Level:94dB/114dB
Accuracy:0.3dB
For more details,please do not hesitate to contact us.Thank you!
Sound Level Calibrator ND9A ND9B