Fluke 721-1601, Calibration Manual, Page: 24 / 28

721
Calibration Manual
16
Maintenance
Replace the Batteries
If the batteries discharge too far, the Product automatically shuts down to prevent
battery leakage.
Note
Use only AA size alkaline batteries.

Warning
To prevent possible electrical shock, fire, or personal injury:
•
Remove the batteries if the Product is not used for an
extended period of time, or if stored in temperatures above
50 °C. If the batteries are not removed, battery leakage can
damage the Product.
•
Replace the batteries when the low battery indicator shows
to prevent incorrect measurements.
•
Be sure that the battery polarity is correct to prevent battery
leakage.
•
Repair the Product before use if the battery leaks.
•
The battery door must be closed and locked before you
operate the Product.
To change the batteries, see Figure 1:
1. Turn off the Product.
2. Turn the Product so that the display is down.
3. With a flat-head screwdriver, remove the battery door screw.
4. Replace the four AA batteries with new batteries. Make sure that the polarity
on the batteries is correct.
5. Replace the battery door.
6. Tighten the battery door screw.