Optional 12 VDC Cord illustrated.
Remove battery cover.
Plug the wall charger into 110/60HZ supply and plug the
Remove the knurled nut retaining the battery pack in the
charger plug into the charger terminal on the tester. The
tester batteries will automatically charge with no danger
CPN recommends charging over a weekend or overnight
whenever the "L" low battery indicator is on.
NICADS lose approximately 1% of their charge per day
through self-discharge. The tester will require charging if
it has been in storage for a period of months.
When the tester is not in use, remove the batteries.
Batteries are not to be stored in or left in the tester.
ANTICIPATED TESTS PER CHARGE
Current consumption is low due to use of CMOS
circuitry. The total time between charges will be a
function of the number of tests taken and the total time
passage between charges.
Figure 3-2. Battery Replacement
A tester uses approximately 80 milliamperes during
count periods. It uses approximately 2 ma during
Slide the battery pack out of the tester.
quiescent periods (no counting).
Remove the appropriate hold down plate atop the cell
The NICADS have a 4,000 milliampere charge life when
that is to be replaced.
new and fully charged. (4.0 Ampere hours).
Replace the cell with positive end (button end) UP.
Thus, if the tester was not used during a charge period,
the tester should operate approximately 2,000 hours per
Replace the hold down plate, replace the pack, and
charge or approximately 83 days.
replace the battery cover.
If the tester is used continuously with no rest, it would
Make sure the cover makes contact with the battery.
last approximately 50 hours and would provide 3000 one
minute tests (50 x 60).
How long it will last for a given user and how many tests
The shutter is a carbide-tungsten-lead combination for
will be available, is thus a combination of passage of
maximum shielding and maximum longevity
time and tests performed.
The charge should last for many weeks for a typical user.