Sound calibration – Sper Scientific 850069 Environmental Quality Meter w/Sound User Manual
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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