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

* Handy sound source for quick and easy calibration ofsound  level meters and sound measuringsystems.

* The Calibrator employs solid state integrated circuitrythat provides accurate and stable performance.

* Sensitivity calibration of microphones.

* Suitable for field and laboratory use.

Model:ND9A/ND9B

Standards:GB/T15173,ANSI S1.40 CLASS2,IEC942

Sound Pressure Level:94 dB94 dB

                               114 dB114 dB

Accuracy:0.5 dB(A),0.3 dB(B)

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

Optional Accessories:

                  RS-232C Data with Software

                    Bluetooth Data Adapter with Software

GUANGZHOU LANDTEK INSTRUMENTS CO.,LTD is one of leading professional manufacturers of meters and instruments in China. We have a team of dedication, high-level education, cooperation and strong creativity. They always apply the advanced contemporary techniques and experience to their new products. The instruments are of both high quality and high ratio of performance to price so that products are salable to world-wide market.
　 Quality first and user uppermost are one of our claims. Landtek Instruments strive for best in quality and after-sale service. Satisfying your needs are our wishes.