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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Description Price Sound Output Frequency Accuracy Microphone Size Battery Life Battery Type Maximum Operating Temperature Minimum Operating Temperature Model Number p Weight
RS Stock No. 229-9448
Mfr. Part No.GA601
BrandCastle
HK$3,043.26
Each
units
94dB 1000Hz ±0.3 dB 1/2in 70 h CR2032 +50°C -10°C GA 601 230g
RS Stock No. 479-2034
Mfr. Part No.GA607
BrandCastle
HK$4,573.67
Each
units
94 dB, 104 dB 1kHz ±0.3 dB 1/2in 70 h CR2032 +50°C -10°C GA 607 230g
RS Stock No. 498-0095
Mfr. Part No.0554 0452
BrandTesto
HK$3,265.93
Each
units
94 dB, 114 dB 1000Hz ±0.5 dB 1 in, 1/2 in 40 h 9V - - 0554 0452 -
RS Stock No. 123-2229
BrandRS PRO
HK$1,665.01
Each
units
94 dB, 114 dB 1000Hz ±0.5 dB 1 in, 1/2 in, 1/4 in 20 h IEC 6F22, NEDA 1604, 9V +50°C -10°C SLC1356 200 (with Battery)g
RS Stock No. 760-9049
Mfr. Part No.CEL-120/2
HK$3,072.30
Each
units
114dB 1kHz ±0.6 dB 1/2in 2 yr AAA x 2 - - CEL-120 85g
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