Svantek » Products » SV 33B – Class 1 Sound Calibrator

Class 1 Sound Calibrator SV 33B

SV 33B is a class 1 acoustic calibrator, designed for verifying class 1 and class 2 sound level meters and dosimeters equipped with ½″ microphones. The device generates a precise 114 dB calibration signal at 1 kHz, regulated in real-time by a microprocessor using data from a reference piezoresistive sensor and built-in pressure and temperature sensors.

Class 1

Type Approved

Bestseller

Highlights

Class 1 accuracy compliant with IEC 60942:2017 for professional calibration
114 dB reference level at 1 kHz for Class 1 and Class 2 sound level meters
Automatic signal adjustment via internal reference sensors and microprocessor
Compatible with ½″ microphones, ideal for dosimeters and sound level meters
Robust and portable design for reliable field and laboratory calibration

Applications

Sound measurements

Sound level meter calibration for accurate results

Acoustic calibrators generate a defined sound pressure level and frequency, serving as a reference template to verify and adjust the accuracy of sound level meters. To ensure valid results, the calibrator’s performance must match the instrument’s class—Class 1 or Class 2—according to applicable standards.

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