4-12 Long Integration Measurements
LONG INTEGRAT #1/#2. (Select LONG INTEGRAT #1 for the battery channel and
LONG INTEGRAT #2 for the charger channel.)
4. Select and adjust the TRIGGER LEVEL and press
ENTER. The unit starts looking for
the rising edge of the pulse (this is regardless of the trigger edge setting). If the trigger
level is still too low or too high, the “LONG INT TRIG NOT DETECTED” message will
be displayed briefly. Note that it may take as long as the timeout value for the message
to appear (see “LONG INT TRIG NOT DETECTED message” for more information).
5. If the message appeared, repeat step 4
until a valid trigger level is found.
6. Use the MENU key to back out of the menu structure and display long integration
current me
asurements.
NOTE F
or the battery channel, make sure the trigger level range setting agrees with the
trigger level setting set in Step 4.
LONG INT TRIG NOT DETECTED message
The TRIG NOT DETECTED message is possibly displayed when specific TLEV settings
coupled with specific TLEV ranges have been set and a trigger has not been detected. Refer to
Table 4-1 for message preconditions.
See step 2 of the “Lo
ng integration measurement procedure” on page 4-10 for information on
setting the trigger level range. For the charger channel #2, the trigger level range setting is not
use
r selectable.
Table 4-1
TRIG NOT DETECTED message
TLEV setting TLEV range
TRIG NOT DETECTED Message
displayed?
100mA 1A No (not checked because TLEV
se
tting does not match TLEV
range)
1A 1A May appear
100mA 5A Yes (TLEV setting too low)
1.1A 5A No (valid setting)
3A 5A Yes (TLEV too high)
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
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