Chapter 1 – Introduction
About this Manual
BB1122–11
1–5
2238 Mediator
User Manual
Linear and A- and C-weighting can be selected for both de-
tectors. F (Fast), S (Slow) and I (Impulse) time weighting are
available simultaneously in both RMS detectors, making it
possible to measure up to six combinations at the same time.
1.1.4 Statistics
The Enhanced module provides level and cumulative distri-
butions and can display up to seven L
N
values which you can
set up from your own choice (L
N
is the percentile level ex-
pressing the level that has been exceeded for N% of the
measurement time). All statistics are saved with the meas-
urement.
1.1.5 Back-erase
The back-erase function allows you to delete up to the last
15 seconds of the current measurement. This is particularly
useful if a disrupting noise occurs during a measurement.
1.1.6 Measurement Sequences
Automatic Measurement Sequences makes it easy to generate
periodic reports. You can set up Measurement Sequences with
up to 99 automatic measurements.
1.1.7 Aux 1
In addition to the AC Output function in the basic version,
Aux 1 can be set up as a DC input for an external signal.
1.1.8 Aux 2
In addition to the DC Output function in the basic version,
Aux 2 can be set up as a DC input for an external signal, a
trigger input or a trigger output.
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