Fluke 744 Fluke 744 Users Manual - Page 94

Use the numeric keypad to enter the duration in, to move the cursor

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744 Users Manual Proceed as follows to log data: 1. If necessary, press M for MEASURE mode. 2. Press the More Choices softkey. 3. Press the Log softkey. 4. A list appears from which you select a reading rate (1, 2, 5, 10, 20, 30, or 60 readings per minute). Use the u or d key to select the reading rate. 5. Press e. 6. Press d to move the cursor to Duration. 7. Use the numeric keypad to enter the duration in minutes, followed by e. The maximum duration will depend on the reading rate and how much memory is available to log data. The table below gives an estimate of the limits for duration, assuming that no memory is being used for other purposes. Readings/Minute Maximum Readings Approximate Duration 1 8000 133 hours 2 8000 66 hours 5 8000 26 hours 10 8000 13 hours 20 8000 6 hours 30 7980 4 hours 60 7980 2 hours Caution A long logging duration can exceed the life of a battery charge. Use a fresh battery and the appropriate duration, or use the optional battery eliminator to avoid losing power during a logging session. If a low-battery condition occurs during a log session, the session is terminated and data collected to that point is saved. 84

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744
Users Manual
84
Proceed as follows to log data:
1.
If necessary, press
M
for MEASURE mode.
2.
Press the
More Choices
softkey.
3.
Press the
Log
softkey.
4.
A list appears from which you select a reading
rate (1, 2, 5, 10, 20, 30, or 60 readings per
minute). Use the
u
or
d
key to select the
reading rate.
5.
Press
e
.
6.
Press
d
to move the cursor to
Duration
.
7.
Use the numeric keypad to enter the duration in
minutes, followed by
e
. The maximum
duration will depend on the reading rate and how
much memory is available to log data. The table
below gives an estimate of the limits for duration,
assuming that no memory is being used for other
purposes.
Readings/Minute
Maximum
Readings
Approximate
Duration
1
8000
133 hours
2
8000
66 hours
5
8000
26 hours
10
8000
13 hours
20
8000
6 hours
30
7980
4 hours
60
7980
2 hours
Caution
A long logging duration can exceed the
life of a battery charge. Use a fresh
battery and the appropriate duration, or
use the optional battery eliminator to
avoid losing power during a logging
session. If a low-battery condition occurs
during a log session, the session is
terminated and data collected to that
point is saved.