501.11: Sweep Sinus (Frequency response 10 Hz - 10 kHz). General Characteristics (metric): Back to Back calibration by comparison to a reference transducer (Conform to ISO 16063-21). Reference transducer calibrated by laser primary mean. A4 Certificates with sensitivity, phase, distorsion shown... €112.00 Compare
501.01: Single Frequency (80 Hz). General Characteristics (metric): Back to Back calibration by comparison to a reference transducer (Conform to ISO 16063-21). Reference transducer calibrated by laser primary mean. A4 Certificates with sensitivity and phase shown... €35.00 Compare