BRUEL & KJAER 2239 A - Parameters; Settings

Chapter 1 – Introduction
Parameters
BB 1219 – 11
3
Integrating Sound Level Meter Type 2239 A
User Manual
●
Serial port for printing or downloading records to a com-
puter
● Downloading records in a standard spreadsheet format
● AC output for headphone monitoring or DAT recording
● Five built-in languages
1.3 Parameters
The following parameters are monitored during measurement
and can be viewed selectively:
● L
eq
(L
Im
)
● MaxP
● Peak
● MaxL
● MinL
● SPL
● Inst
You can change the displayed parameters during measurement
by pressing . L
Im
is displayed instead of L
eq
when an Im-
pulse time weighting is used. For more information about se-
lecting and reading the parameters, see section 3.3.
1.4 Settings
The following settings are available:
● Measurement range
● Frequency weighting for the RMS detector
● Time weighting
● Preset time
● Time and date
bb221911.book Page 3 Tuesday, July 24, 2001 11:23 AM