Acoustic calibrator with type approval | Cirrus Research acoustic calibrators

acoustic calibrator [acoustic calibrator with type approval]

Cirrus Research is a leading manufacturer of acoustic calibrator with type approval.

The class 1 and class 2 acoustic calibrators are ideal for correcting sound level meters, noise dosimeters, and other noise measurement instruments. This makes them suitable for a wide range of applications.

The Cirrus acoustic calibrators with type approval are easy to install and use. The calibrators meet the requirements of the IEC 60942-2003 standard for acoustic calibrators.


The CR-514 and CR-515 acoustic calibrator with type approval has the following features:

  • ·         Meets the requirements of the IEC 60942-2003 standard.
  • ·         PTB Type Approved for class 1 and class 2 performance.
  • ·         LNE Type Approved for class 1 and class 2 performance.
  • ·         CEM Type Approved for class 1 and class 2 performance.
  • ·         94dB sound pressure output.
  • ·         Can be used with ½ inch microphone capsule.
  • ·         Automatic power switch-off.
  • ·         Long battery life.
  • ·         Robust case with light weight design.

The CR-511F acoustic calibrator with type approval has the following features:

  • ·         Meets the requirements of IEC 60942-1998 for a class 1L instrument.
  • ·         Provides 94dB and 104dB sound pressure output.
  • ·         Can be used with a range of calibration adaptors.
  • ·         Can be used with more than just ½ and 1 inch microphone capsules.

The CR:518 acoustic calibrator with type approval has the following features:

  • ·         Meets the requirements of IEC 60942-2003 for a class 2 instrument.
  • ·         Provides 114dB sound pressure output.
  • ·         Can be used with ½ inch microphone capsule.
  • ·         Automatic power switch-off.
  • ·         Long battery life.
  • ·         Robust case with light weight design.

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