Sound Level Calibrator Voice Decibel Meter Dosimeter Calibrator ML- ND9B

Description

• 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
• Sound Pressure Level with 94 dB and 114 dB
• High Accuracy with 0.3 db
• Designed for 1" and 1/2" microphones

General Specifications:

• Standards: GB/T15173, ANSI S1.40 CLASS2, IEC942
• Sound Pressure Level: 94dB & 114dB
• Accuracy: 0.3dB
• Frequency: 1000+0.1% Hz, so it can be corrected on A, B, C, D or linear frequency weighting
• Calibration Of Microphones: 1"; 1/2"
• Power Supply: 1 x 9V 6F22 Battery (batteries not included in the package)
• Dimensions: 142x47x47mm
• Weight: 275g

Package Included:

Note: what you'll received will exactly as the picture show, all pictures here are truly captured

• 1 x ND9B Unit
• 1 x Operating Manual