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3.3 "SETTING" State
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3.3.4 Setting of the Ramp Timer
Ramp-up time: 10.0 s
NOTE
During the ramp-up time, screening using the lower-limit value is invalid.
During the ramp-up time, screening using the upper- or lower-limit value is
invalid.
In this unit, the time to increase the voltage until it reaches the set test
voltage (ramp-up time) and the time to decrease the voltage upon completion
of the test time (ramp-down time) can be set.
TEST
flashes during the ramp-
up time and the ramp-down time.
1. If no flashing cursor is displayed in the withstand-voltage mode READY
state, press either the / key to display the cursor in the test time
position.
2. When the key is pressed, the
UP/DELAY
lamp will light up, enabling the
ramp-up time to be set.
3. Set the test time using the
/
keys.
With time set the time changes in 0.1 s increments.
With time set at 0.1 s to 99.9 s, press
SHIFT
+
/
keys.
If no testing time is required, turn off the
ON/OFF
key.
4. When the key is pressed, the
DOWN
lamp will light up, enabling the
ramp-down time to be set.
5. Set the ramp-down time in the same way as the ramp-up time.
6. To finalize the test settings, press the
STOP
key. The settings are
confirmed and the unit returns to the READY state.
Optional Function
For the DC withstand-voltage test, you can select whether you want to
perform screening during the ramp-up time. (See Section 7.12)
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