Chapter 3 – Taking Measurements
Taking Measurements
22
Brüel & KjærIntegrating Sound Level Meter Type 2239 A
User Manual
then input levels were too low for the measurement range
(under range). Decrease the measurement range by press-
ing (check the measurement range on the screen as
shown in Fig. 3.3).
8. If you are keeping manual records, then press to step
through the displayed parameters until the ones you need
are visible. note your readings.
9. If you want to print using a portable printer, then see
section 4.2 for connecting and printing instructions.
10. If you want to download your results later to a computer,
then save your measurements in a record (see section 4.1
for instructions). Take note of the record number. See
section 4.3 for instructions on connecting to a computer
and downloading records. If no more records are available,
then you will see a warning on your screen (see section
4.1.2 for more information).
3.2.2 Taking Preset-Period Measurements
To take a preset-period measurement, the preset time inter-
valmust be set to a specific interval (not “
Off”). See section
3.4.4 for more information about making this setting.
Fig.3.3 The measurement range limits
RUN 00:05:41
MaxP 94.7 dB
AF Leq 45.8 dB
30 100
Upper limit of the measurement
range (overload if blinking)
Lower limit of the measurement range
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