Digital Sound Level Meter Calibrator 94dB & 114dB for 1/2" and 1" Inch Microphone Portable W/ Backlight Calibration Tool Sound Level Calibrator ND9a ND9b

• Sound Pressure Level: 94dB,114dB
• Accuracy for ND9a: 0.5 dB
• Accuracy for ND9b: 0.3dB
• Frequency: 1000±0.01% Hz
• Cailbration of Microphones: Calibration of 1" and 1/2" Microphones
• Model NO.: ND9A ND9B

Product Description

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.
Specifications:

Accessories:

Product details: