Sper-scientific 850069 Environmental Quality Meter w/Sound Manuel d'utilisateur télécharger pdf (Page 11)

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This procedure requires an optional 2-

Point Acoustical Calibrator (850016):

1. Using the directions that accompany

the Acoustical Calibrator, ensure that

the calibrator is operational and is

equipped with the ½” microphone

adapter.

2. Insert meter’s sound probe into the

calibrator.

3. Turn the calibrator on and select 94

dB.

4. Turn the meter on and use the

FUNCTION button to select the Sound

–Level meter function.

5. Press HOLD and MAX/MIN

simultaneously for 3 seconds and

release.

SOUND CALIBRATION

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Sper-scientific 850069 Environmental Quality Meter w/Sound Manuel d'utilisateur Page 11