Sound Level Calibrators

Sound level calibrators are hand-held devices that emit audible tones of very accurate levels of frequency. The calibrator is fitted over a sound level meter's microphone and the reading is either checked manually by the user or automatically by the meter depending on the type used.

How does a sound level calibrator work?

The sound level calibrator will provide a fixed level and frequency that the instrument can be referenced against. In order to work effectively, the calibrator will be attached to a sound level meter (a meter used for acoustic measurements). The reference level provided by the calibrator is used by the sound level meter to verify that it is measuring within a set tolerance. If the instrument sees that the frequency level is outside of the desired tolerance it will indicate an error.

The importance of calibration

Calibration of a sound level meter is important because it allows the user to see that the sound level meter is giving you the correct level against the reference provided by the calibrator. Secondly, most regulations require that a sound level meter is calibrated before it is used.

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Täpsem kirjeldus Brand Stock Sound Output Frequency Accuracy Microphone Size Battery Life Battery Type Model Number p Weight
RS PRO Sound Level Calibrator 94 dB, 114 dB 1000Hz RS Pro 23 94 dB, 114 dB 1000Hz ±0.5 dB 1 in, 1/2 in, 1/4 in 20 h 9V, IEC 6F22, NEDA 1604 SLC1356 200 (with Battery)g
Castle GA607 Sound Level Calibrator 104 dB, 94 dB 1kHz Castle 3 104 dB, 94 dB 1kHz ±0.3 dB 1/2in 70 h CR2032 GA 607 230g
Casella Cel CEL-120/2 Sound Level Calibrator 114dB 1kHz Casella Cel 2 114dB 1kHz ±0.6 dB 1/2in 2 yr AAA x 2 CEL-120 85g
Castle GA601 Sound Level Calibrator 94dB 1000Hz Castle 1 94dB 1000Hz ±0.3 dB 1/2in 70 h CR2032 GA 601 230g
Testo 0554 0452 Sound Level Calibrator 94 dB, 114 dB 1000Hz Testo 0 94 dB, 114 dB 1000Hz ±0.5 dB 1/2 in, 1 in 40 h 9V 0554 0452 -
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