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BA053101-en
Pos: 298 /Technis che Dok umentation/A lle G eräte/ Überschr iften/Üb erschriften 1.1.1/ D/Überschrift 1.1.1: Dis krete Messung @ 13\mod_ 1234781806339_75.d ocx @ 340115 @ 3 @ 1
10.2.3
Discrete Measurement
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Discrete power measurement makes it possible to approach pre-defined points and hold them for
a specified time as a function of the speed or RPM. These target points must be set before testing
begins.
The Start- and End speeds or RPM as well as the test increments and hold time are entered by the
inspector.
Hold time is defined as the length of time which the pre-set approached RPM and/or speed is held
constant. The hold time assures a stable test point so that for example enough time is left for a fuel
consumption test to be done.
The Start-Hold time eases the regulation procedure. More accurate test results are supplied for
turbo-charged engines, whose charger often has a delayed reaction.
1 Position the vehicle on the dyno and fix it.
2 Call up the menu MEASURE ENGINE POW-
ER and then the menu point DISCRETE
MEASUREMENT
.
The following screen appears:
3 Select the measurement type and enter the
parameter via the digit keys into the entry
boxes.
4 Use the button<F8 CONTINUE>.
5 Select the vehicle data or, if available, load
these from the database with <F6 DATA-
BASE>.
6 Use the button <F8 CONTINUE>.
7 Select the RPM source or RPM sensor and
the appropriate box.
8 Use the button <F8 CONTINUE>.
