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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.