STANDARD TEST PROCEDURE
AVTM246004 BITE 2/2P Rev 4 July 2011
27
Step One: Prepare for Testing
Record information about the test site, visually inspect the
condition of the battery, and record the ambient temperature.
1.
Record the installation date and the location and type of
cells being tested. You can record the information at the
battery test site on a data sheet or on the top of the paper
fed from the built-in printer or scanned into memory.
If the battery is to be measured while on standby, ensure
that the charger associated with the battery is supplying
normal float current and that the battery is not in a
discharged condition.
The best reproducible test information occurs when the
battery is operating at recommended float voltage. See
Operating Note on page 26.
2.
Perform a visual check of all cells and connections.
For
flooded cells, use a flashlight and mirror (if necessary)
and check for plate corrosion and other internal defects.
Record and correct all problems encountered before testing
impedance.
For VRLA cells, visually inspect for leaking or weeping
posts, bulging cells, terminal corrosion and general
installation condition. Record and correct all problems
encountered before testing impedance.
For NiCd cells, visually inspect each cell and intercell
connector for general condition. Check electrolyte levels.
Record and correct all problems encountered before testing
impedance.
NOTE: For valve-regulated
(sealed) cells, measure the
temperature of the negative
post of the cell.
Changes in cell temperature or ambient
(room) temperature may
affect cell impedance.
3.
Record the cell temperature.
4.
Record the ambient temperature.
After you have successfully performed these pretest activities,
you are ready to power on the
receiver
. The following
subsection contains the appropriate procedures.
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