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Calibration Procedure with Hand-held Analyzer Type 2270-S Sound Intensity System
With the sound intensity probe correctly positioned, close the unit completely by reversing the
procedure described above, as shown in Fig.2.4. The unit should close without any excessive
pressure being required. This indicates that the sound intensity probe is correctly fitted in the
compartment.
Fig.2.4
Type 4297 with a sound
intensity probe in
position
2.1.2
Calibration
You are now ready to start the sound pressure calibration of your Type 2270-S installed with
Sound Intensity Software BZ-7233.
✐
Do not disturb your work surface/equipment during calibration as this will falsely affect
Please note:
readings.
1) With the sound intensity probe connected to your Type 2270-S, switch on the Hand-held
Analyzer and select
2) Ensure that the analyzer is properly set up for calibration with the calibrator to be used.
a) Tap
b) Expand
Spacer
c) Tap
If the transducers are not in the system, instructions on entering a new microphone
pair can be found in the documentation that came with your Type 2270-S.
3) Tap
and select Calibration from the list of options. The Calibration screen will appear
(Fig.2.5).
.
Sound Intensity
and select Setup.
by tapping it and ensure that the
Input
line reads
.
12 mm
and select Transducers.
CHAPTER 2
line reads
Input
Top Socket
11
and that the
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