Fluke 725Ex FE 725ex Users Manual - Page 50

Auto Ramping the Output, Storing and Recalling Setups

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725Ex Users Manual Auto Ramping the Output Auto ramping gives the ability to continuously apply a varying stimulus from the Calibrator to a transmitter, while your hands remain free to test the response of the transmitter. When L is pressed, the Calibrator produces a continuously repeating 0 % - 100 % - 0 % ramp in a choice of three ramp waveforms: • E 0 % - 100 % - 0 % 40-second smooth ramp • P 0 % - 100 % - 0 % 15-second smooth ramp • N 0 % - 100 % - 0 % Stair-step ramp in 25 % steps, pausing 5 seconds at each step. Steps are listed in Table 7. To exit ramping, press any button. Table 7. mA Step Values Step 4 to 20 mA 0 % 25 % 50 % 75 % 100 % 4.000 8.000 12.000 16.000 20.000 Storing and Recalling Setups Store up to eight settings in a nonvolatile memory and recall the settings for later use. A low battery condition or a battery change does not jeopardize the stored settings. Proceed as follows: 1. After creating a calibrator setup, press S. In the display, the memory locations appear. 2. Press Y or Z to select locations one through eight. An underscore appears below the selected memory location. 3. Press S until the memory number disappears then reappears. The setup is stored. To recall setups, proceed as follows. 1. Press Q. The memory locations appear on the display. 2. Press Y or Z to select the appropriate location and press Q. 40

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725Ex
Users Manual
40
Auto Ramping the Output
Auto ramping gives the ability to continuously apply a
varying stimulus from the Calibrator to a transmitter, while
your hands remain free to test the response of the
transmitter.
When
L
is pressed
, the Calibrator produces a
continuously repeating 0 % - 100 % - 0 % ramp in a choice
of three ramp waveforms:
•
E
0 % - 100 % - 0 % 40-second smooth ramp
•
P
0 % - 100 % - 0 % 15-second smooth ramp
•
N
0 % - 100 % - 0 % Stair-step ramp in 25 %
steps, pausing 5 seconds at each step. Steps are
listed in Table 7.
To exit ramping, press any button.
Table 7. mA Step Values
Step
4 to 20 mA
0 %
4.000
25 %
8.000
50 %
12.000
75 %
16.000
100 %
20.000
Storing and Recalling Setups
Store up to eight settings in a nonvolatile memory and
recall the settings for later use. A low battery condition or a
battery change does not jeopardize the stored settings.
Proceed as follows:
1.
After creating a calibrator setup, press
S
. In the
display, the memory locations appear.
2.
Press
Y
or
Z
to select locations one through eight. An
underscore appears below the selected memory
location.
3.
Press
S
until the memory number disappears then
reappears. The setup is stored.
To recall setups, proceed as follows.
1.
Press
Q
. The memory locations appear on the
display.
2.
Press
Y
or
Z
to select the appropriate location and
press
Q
.