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產品詳情

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Sound Level Calibrator ND9A

Spec：	For quick and easy calibration of sound level meters and sound measuring systems.
Model：	ND9A

產品詳情

　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.

Model	ND9A	ND9B
Standards	GB/T15173,ANSI S1.40,IEC942
Sound Pressure Level	94 dB	94 dB
Sound Pressure Level	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)

Standard Accessories	Main Unit
	Windscreen
	Carrying Case (B04)
	Operation Manual

　Downloads

　SoundLevelCalibrator_ND9A_Catalog

　ND9A_EN_EN_Manual

　RS232Software

NOTE: The name of RS232 Software is 'RS232_EN_4.0.rar' after downloading. Just decompress 'RS232_EN_4.0.rar' with Decompress Software, Enter password:www.landtek.cn. a folder named 'RS232_EN_4.0' is abtained. There are RS232 Software and install instruction inside the folder.