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ND9 Digital Sound Level Meter Calibrator 94dB & 114dB

ND9 Digital Sound Level Meter Calibrator 94dB & 114dB

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

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Product Details

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

*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


Features:

  • Simple & Easy Operation

  • Digital Display with Backlight, Clearly Shows the Chosen dB Level

  • Lightweight and Small Size

  • Removable 1/2" Transducer Cap, Suitable for 1" and 1/2" Microphone Size

  • Conforms to IEC60942 (IEC942) Class 1 Standard

  • Solid Design Provides Accurate and Reliable Performance

  • Suitable for Personal, Field and Laboratory use

Specifications:

ModelND9AND9B
StandardsGB/T15173,ANSI S1.40 CLASS2, IEC942
Sound Pressure Level94dB94dB

114dB114dB

0.5dB0.3dB
Frequency1000HZ
Calibration of Microphones1",1/2"
Power supply1×9V 6F22 Battery


  • Sound Pressure Level: 94dB & 114dB

  • Accuracy: ±0.3dB (20°C, 760mm Hg)

  • Frequency: 1000±0.01% Hz allows calibration with A,B,C or D weighting networks or linear

  • Temperature Coefficient: 0~0.01 dB/°C

  • Standard: IEC60942 (IEC942) Class 1

  • Altitude Effects: Approximately decrease 0.1dB per 2000 ft increase in altitude from sea level to 12,000 ft elevation, or comparable atmospheric pressure change (approximately every 50mm of Hg decrease)

  • Operating Temperature: -10~50°C

  • Storage Temperature: -40~65°C(batteries removed)

  • Size: 137 x x51 x 51mm

  • Weight: approx. 200g

Set Includes:

  • 1 x Sound Level Calibrator

  • 1 x English Manual

  • Standard Package

 


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