Sper-scientific 850016 Acoustical Calibrator - 2 Point Manuale Utente Scaricare il pdf (Pagina 3)

OPERATING PROCEDURE

Note: For accurate calibration, background noise should

be less than 10 dB.

• Determine the sound meter's microphone size.

• Use the 1/2" Microphone Adapter (2) when

calibrating a 1/2" diameter microphone.

• When calibrating a sound meter with a 1"

microphone, pull off the 1/2" Microphone

Adapter (2) to use the 1" Microphone Insertion

Socket (1).

• Fully insert the sound meter's microphone into the

insertion socket.

• Use the 94dB/114dB/Off Slide Switch (4) to turn

the calibrator on and select either 94 dB or 114 dB.

• Be sure the sound meter is set to an appropriate

scale to measure a matching sound of 94 dB or

114 db.

• Adjust the sound meter according to it's calibration

instructions.

Unfold for Battery Replacement,

Specifications and Warranty information.

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Sper-scientific 850016 Acoustical Calibrator - 2 Point Manuale Utente Pagina 3