Fluke 787 - Manual (Page 39)

ProcessMeter™
Maintenance
31
Remove test leads from the Meter before you open the
battery door.
Replace the battery as follows. Refer to Figure 10. Use an
alkaline 9V battery, type ANSI/NEDA 1604A or IEC
6LR61.
1. Remove the test leads and set the rotary switch to
OFF.
2. With a standard blade hand screwdriver, turn each
battery door screw counterclockwise so that the slot is
parallel with the screw picture molded into the case.
3. Lift off the battery door.
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Figure 10. Replacing the Battery