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SV 35A Class 1 Acoustic Calibrator produces an acoustic pressure of defined level 94 dB & 114 dB at
frequency of 1 kHz. The SV 35A is suitable for calibration of Class 1 and Class 2 sound level meters
and dosimeters with 1/2 microphones.Unlike many others, the Svantek calibrators feature a robust housing that gives the comfort of asecure grip to the user. The interior design of our acoustic calibrators is based on the referencemicrophone and microprocessor controlled signal source including digital static pressure andtemperature compensation. Due to the feedback regulation control loop our calibrators do notrequire any adjustments by the user and operate over a wide range of ambient temperature andhumidity assuring excellent stability of the calibration levels and their frequency. Each acousticcalibrator is provided with a statement of the calibration which allows the user to be certain thattheir instruments will measure correctly.