TOS5300 49
5
Withstanding Voltage and Insulation Resistance Tests
Setting Insulation Resistance Test Conditions
Press FUNCTION to display the insulation resistance (IR) test setup screen.
p.35
For details on how to select settings and enter values, see ”Panel Operation Basics.”
p.46 , p.51
For details on the LOWER and UPPER settings, see ”About Judgment.” For details on other test
conditions, see ” Setting Other Test Conditions.”
Insulation resistance test (IR) settings
FUNCTION
ACW / IR / AUTO
5302
See
TIMER UPPER
LOWER
100
MΩ
1.00
MΩ
500
V
60
.
0
s
IR
0
1000V
Limit Voltage 1000V
SET UPR/LWR TEST MORE
LIMIT ON/OFF ON/OFF KEY LOCK
LOCAL
Item Description Panel operation
Voltage
Sets the test voltage. You cannot specify a voltage that is greater than or equal to the limit
voltage.
SET key
25 V, 50 V, 100 V, 125 V,
250 V, 500 V, 1000 V
Setting Rotary knob
Limit Voltage Sets the limit voltage. This prevents an unnecessarily high voltage from being applied to the DUT
because of incorrect operations of the TOS5300 Series.
LIMIT (SHIFT+SET) key
25 V, 50 V, 100 V, 125 V,
250 V, 500 V, 1000 V
Setting Rotary knob
Sets the upper limit that is used in judgments. While UPPER is on, if a resistance that is greater
than or equal to the upper limit is measured, a U-FAIL judgment occurs.
UPR/ LWR key
0.03 MΩ to 5.00 GΩ Setting Rotary knob
OFF The upper limit is not used in judgments.
ON/ OFF (SHIFT+UPR/
LWR) key
Sets the lower limit that is used in judgments. While LOWER is on, if a resistance that is less than
or equal to the lower limit is measured, an L-FAIL judgment occurs.
UPR/ LWR key
0.03 MΩ to 5.00 GΩ Setting Rotary knob
OFF
The lower limit is not used in judgments.
This can only be set when the upper limit is not used in judgments
(when UPPER is off).
Press and hold the
ON/ OFF (SHIFT+UPR/
LWR) key
1
Sets the test time. The test time begins when the voltage rise time elapses. TEST key
0.1 s to 999 s When the specified time elapses, the test ends. Rotary knob
OFF The set test time is ignored. A PASS judgment is not performed.
Press STOP to stop testing.
ON/ OFF
(SHIFT+TEST) key
Response Sets the current detection response speed that is used in U-FAIL judgment. MORE key
Fast, Mid, Slow Setting Rotary knob
Wait Time Sets the judgment wait time, which is the time that the TOS5300 Series waits before actually
starting judgment after START is pressed. This prevents mistaken judgments during the voltage
rise time.
MORE key
0.1 s to 10.0 s Setting
Rotary knob
1 To select the value for the LOWER setting, hold down ON/ OFF (SHIFT+UPR/ LWR) for at least 3 seconds.
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