50 User’s Manual TOS93 Series
Withstanding Voltage and Insulation Resistance Tests | Setting Test Conditions
Description of test conditions
The test conditions you can set vary for ACW, DCW, and IR.
The following test conditions with a check mark can be used with the corresponding test.
ACW DCW IR
Test condition Description See
Test voltage Voltage to apply to the EUT.
p.51
Limit voltage Upper limit of voltage to apply to the EUT.
p.52
Start voltage Voltage 0.1 seconds after pressing the START switch
p.53
– – Frequency Test voltage frequency.
p.54
Upper limit Current or resistance used as a reference for upper
limit judgment
p.55
Lower limit Current or resistance used as a reference for lower
limit judgment
p.56
––
Unit of criteria (Judge Type) The unit of upper and lower limits.
p.57
–
Auto setting of the judg-
ment delay (Delay Auto)
Select the time (auto or manual) from when the START
switch is pressed until the upper limit judgment starts.
p.58
Test time Time from when the voltage rise time has passed to the
end of the test.
p.60
Voltage rise time The time from when the START switch is pressed or
from the start voltage to when the test voltage is
reached.
p.61
– Voltage fall time The time from a pass judgment until the voltage falls.
p.62
–
Discharge time The time for discharging the voltage residing in the
high voltage charge area.
p.63
–
Discharge when interlock is
activated (Discharge Interlock)
Discharges the voltage when the interlock is activated.
p.64
– Current detection response
speed (Filter)
Response speed for detecting current (sensitivity).
p.65
Grounding mode (GND) Select whether to include the current running through
the stray capacitance of test leads, tools, and the like in
measurements.
p.66
– – Current measurement mode
(Current RMS)
Select whether to measure current in true rms values
or measure by converting the mean-value responses
to rms values.
p.68
– Voltage measurement mode
(Volt Measure)
Select whether to measure voltage in true rms values
or peak values.
p.69
– Peak value display (Display
Peakhold)
Display the maximum current during the test.
p.70
––
Using the low-pass filter Stabilize measurements when measuring at high sen-
sitivity or when the measurements are unstable and
hard to read.
p.71
– – Offset (Offset Real, Offset
Imag)
Offset the real part and imaginary part of the current
running through the stray capacitance of test leads,
tools, and the like.
p.72
–
Offset Applies an offset to the current or resistance of test
leads, tools, etc.
p.73
Checking the scanner contact
(Contact Check)
Check the continuity between the test leads connected
to the scanner and the EUT.
p.74
Setting scanner channels
(Edit)
Switches the connection (high, low, open) of each
channel of the scanner.
p.75
Opening the scanner (All
Open)
Set all channels of the scanner to open.
p.76
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