Cirrus Research plc - Single & Dual-level Acoustic Calibrators

Field calibrate your sound level meter, noise dosimeter or other noise measurement equipment with our acoustic calibrator.

• IEC 60942: 2017 Class 1 or Class 2 performance
  
• PTB, LNE & CEM Type Approval available
  
• 94dB sound pressure level output at 1kHz sound pressure level
  
• Suitable for use with standard 1/2″ microphone capsules

Our acoustic calibrator (sound calibrator) is suitable for the field and laboratory calibration of sound level meters, noise dosimeters, and other noise measurement instruments.

The unit is simple to operate and meets the requirements of the latest IEC 60942:2017 standard for acoustic calibrators with performance to Class 1 or Class 2.

The CR515 Class 1 Calibrator has PTB, LNE and CEM Pattern Approval.

The CR514 Class 2 Calibrator has PTB Pattern Approval.

Pattern Approval is a method where a test laboratory such as the Centro Español de Metrología (CEM) tests an instrument against a set of standard tests to ensure that it meets the performance claims of the manufacturer. Find out more here.

Ensure your noise measurements are compliant with our dual-level acoustic calibrator. You can calibrate both sound level meters and noise dosimeters at both 94dB and 114dB at 1kHz with one instrument!

• IEC 60942: 2017 Class 1 or Class 2 performance
  
• Dual-level 94dB and 114dB @ 1kHz sound pressure level outputs
  
• Suitable for use with a standard 1/2″ microphone capsule
  
• Ideal for sound level meters and noise dosimeters

Our dual-level acoustic calibrator (sound calibrator) is suitable for the field and laboratory calibration of sound level meters, noise dosimeters, and other noise measurement instruments.

The calibrator is simple to operate and meets the requirements of the latest IEC 60942:2017 standard for acoustic calibrators with performance to Class 1 or Class 2 and features both 94dB and 114dB at 1kHz sound pressure level output in one single instrument.

It’s ideal for use with a variety of noise dosimeters, where 94dB or 114dB can be used in preference.