bb090813.book : 2236-ch2 Black 4
Chapter 2 – An Example Measurement
Making a Measurement
2 – 4
Brüel & Kjær
Precision Integrating Sound Level Meter Type 2236
User Manual
The sound level meter checks the calibration signal
against the calibration level you set in step 5. It then
asks if you want to calibrate according to the expected
level.
9.
Press
〈
OK
〉
.
The sound level meter calibrates itself according to the
calibration level you set in step 5 and returns to the
Calibration screen. The new calibration factor is shown.
10. Press
〈
OK
〉
.
The sound level meter returns to the main screen.
Checking the Weightings
11. With sound level meters without filter sets (Types
2236 A–008 and 2236 B–008), press
〈
Frequency Wt.
〉
three times.
The frequency weighting of the RMS signal (displayed in
the bottom right-hand corner of the screen) changes
through the three available weightings.
12. With sound level meters with filter sets (Types
2236 C–008 and 2236 D–008), press
〈
Frequency Wt.
〉
twelve times.
The frequency weighting of the RMS signal (displayed in
the bottom right-hand corner of the screen) changes
through the three available total weightings and the nine
available octave filters (displayed at the left-hand side of
the screen under the quasi-analogue scale). It then re-
turns to the original frequency weighting of the RMS
signal.
13. Press
〈
F/S
〉
twice.
The time weighting displayed in the bottom left-hand
corner of the screen changes through the two available
weightings.