Hioki MEMORY HiLOGGER LR8450 User Manual

117
Enabling the Trigger Function
4
Under [Condition], select the condition for activating the trigger.
Set the activation condition between triggers (analog, pulse, logic, waveform calculation, external,
and interval) as a logical AND or logical OR operation.
Recording will start immediately (free-run) if all trigger sources are OFF (if no trigger setting has
been made).
OR

The trigger will activate when even one of the trigger conditions is satised (edge-
sensitive).
AND The trigger will activate when all of the trigger conditions are satised (level-sensitive).
No trigger can activate when the trigger conditions have already been satised at the start of measurement.
The trigger will become able to activate when input signals that did not satisfy the trigger conditions have just
satised.
Example: To apply the trigger when the waveform crosses 0 V from below to above
Trigger: Level trigger
Level: 0 V
Slope: ↑
[AND]
Measurement start
0 V
Activates the trigger when either one crosses
0 V from below to above while the other is
exceeding 0 V.
[OR]
0 V
Measurement start
Activates the trigger when either one crosses
0 V from below to above.
Di󰀨erence between pre-trigger standby and trigger standby
When measurement starts, the instrument does not honor any triggers before the amount of time
set for the pre-trigger has not elapsed. During this period, the screen will display [Waiting for
pre-trigger...]. After the amount of time set for the pre-trigger has elapsed, the instrument will
start waiting for the trigger to be satised. During this period, the screen will display [Waiting for
trigger...].
During pre-trigger standby, the trigger will not activate, even if the trigger conditions are satised.
Trigger Function
HIOKI LR8450A964-03
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Hioki MEMORY HiLOGGER LR8450 Specifications

General

Brand	Hioki
Model	MEMORY HiLOGGER LR8450
Category	Data Loggers
Language	English