Dual Level Calibrators

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Since 1970, Cirrus’ mission has been to make monitoring noise simple. Today, thousands of companies around the world are using our instruments to help them comply with the Standards and Regulations that govern noise. Our innovative approach to product design has helped redefine the way the world looks at noise measurement instruments.

The CR:516 (Class 2) and CR:517 (Class 1) Acoustic Calibrators are designed to meet the requirements of IEC 60942:2017 and provide both 94dB and 114dB at 1kHz in one instrument.

Key features:

  • IEC 60942:2017 Class 2 & Class 1 Performance.
  • Dual level 94dB and 114dB sound pressure level outputs.
  • Suitable for use with standard 1/2″ microphone capsule.
  • 1/4” microphone adaptor available.
  • Robust case with ergonomic design.
  • Automatic power switch off with user override giving longer battery life.

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