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Class 2 Sound Calibrator

SV 34B

The SV34B Sound Calibrator is a class 2 sound calibrator that generates reference signal of 114 dB at 1 kHz and is designed to calibrate class 2 sound level meters and noise dosimeters with 1/2″ microphones.  The calibrator features the robust housing that gives comfort of a secure grip to its users.

Built-in reference piezoresistive sensor for monitoring generated level, pressure and temperature sensors for measurements of atmospheric conditions and a microprocessor system controlling the operation of the calibrator. Sinusoidal waveform of 1 kHz frequency is digitally generated and feeds the loudspeaker. Sampled signal from the reference piezoresistive sensor indicates the level of currently generated signal in a feedback loop. On the basis of information about the level of the signal, actual values of pressure and temperature, microprocessor adjusts amplification of the loudspeaker signal in order to produce appropriate sound pressure level in the calibrator’s chamber.

Class 2 sound level meter
Class 2
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114dB
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noise dosimeter
Dosimeter Calibration

Main

Application

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Occupational Noise

Calibration of class 2 sound level meters and noise dosimeters

Acoustic calibrator is a device, which produces acoustic pressure of defined level and frequency. In other words, such calibrator is a template of acoustic pressure. With help of such a template we can check the accuracy of the measurements performed with the sound level meter and/or calibrate it if the error occurs.
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occupational noise dosimeter calibration

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SV 34B – Class 2 Sound Calibrator

SV 34B – Class 2 Sound Calibrator

SV 34B Class 2 Sound Calibrator provides a level 114 dB at frequency of 1 kHz. It is suitable for calibration of Class 2 sound level meters and dosimeters with 1/2" microphones. The product is covered by 36 months warranty from the registration date.

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SV_CA_AC1 - Acoustic calibrator calibration (single level)

SV_CA_AC1 - Acoustic calibrator calibration (single level)

Acoustic calibrator calibration (single level)

SA 34 - Leather cover for acoustic calibrators

SA 34 - Leather cover for acoustic calibrators

Leather cover for acoustic calibrators

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