Sound Level Calibrator

• Model NO.: ND9A

Product Description

Sound Level Calibrator
Model: ND9A ND9B

Applications
* 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 1" and 1/2" microphones.
* Suitable for field and laboratory use.
* The ND9B Applies display and key operation, simple to use.

 

Features

* 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. 
Specifications

 

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)

 

Accessories

Standard Accessories	Main Unit
	Windscreen
	Carrying Case (B04)
	Operation Manual
Optional Accessories	ND9 Sound Level Meter Calibrator
	RS-232C Data with Software
	Bluetooth Data Adapter with Software