ND9B Digital Sound Level Meter Calibrator 94dB & 114dB for 1/2" and 1" inch Microphone, Noise Decibel Calibration Tool

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ND9B Digital Sound Level Meter Calibrator 94dB & 114dB for 1/2" and 1" inch Microphone, Noise Decibel Calibration Tool

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Regular Price $101.90
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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:

  • 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
  • Microphone Size: 1" and 1/2" microphones 
  • 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)
  • Power Supply: 2 x 1.5V AAA (excluded)
  • 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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