Sound Level Calibrator ND9B
Spec:For quick and easy calibration of sound level meters and sound measuring systems.
* Handy sound source for quick and easy calibration of sound level meters and sound measuring systems.
* The Calibrator employs solid state integrated circuitry that provides accurate and stable performance.
* Sensitivity calibration of microphones.
* Suitable for field and laboratory use.
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Model
ND9A
ND9B
Standards
GB/T15173,ANSI S1.40,IEC942
Sound Pressure Level
94 dB
94 dB
114 dB
114 dB
Accuracy
0.5 dB
0.3 dB
Frequency
1000Hz
Cailbration Of
Microphones
1’’,1/2’’
Power Supply
1x9V 6F22 Battery
Dimensions
142x47x47 mm
Weight
275g(Including Battery)