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