Loading /Changing The Panel Batteries; Figure 5. Battery Tube Cap; Figure 6. Remove The Battery Tube Cap And Insert The Batteries In The Correct Orientation - ORTEC Fission Meter FM-P3 User Manual

1.3.2.2 L /C
OADING HANGING THE
Each panel runs on eight (8) D-cell batteries, which are loaded
on the top of each panel, on the side of the panel that is not hinged. Each battery tube is sealed with an
O-ring-sealed, spring-loaded cap, shown in Figure 5.
To load/change the batteries:
1) Press firmly on the cap with your palm and rotate it approximately 1/16 turn counterclockwise. This will
release the entire battery tube.
2) Rotate the tube as needed to remove it from the panel.
3) Depress the opposing buttons that hold the cap on the tube, and pull the cap off; see the instruction label
on the tube (Figure 6).
4) Remove the old batteries (if present). Then, holding the tube close to horizontal, slide the new batteries
into place positive terminal down.
doing so may break the positive contact assembly at the bottom of the tube.
the tube.

Figure 6. Remove the Battery Tube Cap and Insert the Batteries in the Correct Orientation.

5) Reverse the above steps.
Change a panel's batteries when the voltage drops to <8.5V or after 3 months, whichever comes first.
CAUTION: Remove the batteries if the instrument will not be used for more than 30 days.
out of the battery tubes, be sure to change the two O-rings on the cap according to the schedule and
instructions in Section A.2.
P B
ANEL ATTERIES
positive terminal down

Figure 5. Battery Tube Cap.

CAUTION: Do not hold the tube vertically and drop the batteries in;
1. GETTING STARTED
into a removable tube
See the instruction label on
To keep moisture
5