Fluke 189 Thermometer User Manual


 
Maintenance
Replacing the Batteries
6
6-3
Replacing the Batteries
Replace the batteries with four AA batteries (NEDA I5A or
IEC LR6).
WWarning
To avoid false readings, which could lead to
possible electric shock or personal injury,
replace the batteries as soon as the battery
indicator (B) appears.
Replace the batteries as follows (refer to Figure 6-2):
1. Turn the rotary switch to OFF and remove the test
leads from the terminals.
2. Remove the battery door by using a standard-blade
screwdriver to turn the battery door screws one-
quarter turn counterclockwise.
3. Replace the batteries and the battery door. Secure
the door by turning the screws one-quarter turn
clockwise.