Sound Level Meter Calibrator 94dB 114dB Digital Noise Decibel Calibration Meter 

Note: Battery not Included During The Shipping !!!

Introduction:

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

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.

Technical Specifications:

* Model: ND9B

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

* Sound Pressure Level: 94 dB, 114 dB

* Accuracy: 0.3 dB

* Cailbration Of Microphones: 1’’,1/2’’

* Frequency: 1000+0.1% Hz, so it can be corrected on A, B, C, D or linear frequency weighting.

* Applicable scope: ɸ12.7mm (1/2 inch) and ɸ23.77mm (1 inches) and acoustic microphone calibration of measuring instruments.

* Power Supply: 1x9V 6F22 Battery (Battery not included in the package)

* Dimensions: 142x47x47 mm

* Weight:275g

* Standard Accessories: Main Unit, Windscreen,Operation Manual

* Optional Accessories: ND9 Sound Level Meter Calibrator, RS-232C Data with Software, Bluetooth Data Adapter with Software