Casella España, S.A. - Measurement and calibration systems

Casella España CEL 120

Acoustic calibrators: they use small keyboard

Picture of Acoustic calibrators
Compact acoustic calibrators and designed ergonoomico giving the highest priority to ease of use.

Key features include a small and simple keyboard for an intuitive control, allowing the change of the level of calibration if necessary. Used with sound level meters and dosimeters CEL, calibration routines begin automatically as soon detected a stable calibration tone.

The CEL-120 uses a MEMS microphone and a digital feedback loop to maintain the acoustic pressure in the cavity to the required level. An indicator shows if the noise meter microphone is incorrectly inserted in the cavity, eliminating any potential error of calibration.

The microprocessor control detects when the microphone is removed and automatically disconnects the calibration tone. This preserves the battery capacity, providing autonomy and life of batteries up to 2 years of operation.