Multi-Channel Sync Hipot Tester 19020/19020-4/19021/19021-4/19022/19022-4
User’s Manual
■ Clear Display
The testers have a clearest design for display. All programs for settings such as test
voltage, current state, test readings, test steps and test states are able to be viewed from
the LED display directly.
■ High/Low Limit Comparison for Pass/Fail Products
The testers have been designed to do High/Low Limit comparison for the Unit Under
Test (UUT.) This function is available in Withstand Voltage test or Insulation
Resistance test. The low limit comparison for hipot and high limit comparison for
insulation are used to test if there’s any bad connection or loose test wire that causes
misjudgment.
■ Remote Control
The HANDLER of the testers is able to extend the control signals for controlling
externally. It usually connects to the control box of automated devices.
■ Change Voltage Ramp Time
These testers have a [RAMP] function that can set the time required for voltage rises
from zero to set value.
■ Change Voltage Fall Time
These testers have a [FALL] function that can set the time required for voltage falls from
set value to low when the test time ends.
■ Auto Switch Low Current Range
The current meter ranges for withstand voltage test in the testers have two ranges, one
is low AC range 0~2.999mA and the other is 3.00 mA ~ maximum AC. There are three
ranges for DC: 0~299.9uA low current range, 0.300mA ~2.999mA current range and
3.00~ maximum AC. If the tested current is low, software can be used to switch the
current range to low range automatically for resolution improvement before the test ends
as need.
The 19021 and 19021-4 hipot testers have 4 AC ranges which are 30uA, 300uA,
3.000mA and 8.0mA. If the tested current is low, it can use software to set if
automatically changing the current range to low range before the test ends, so that the
resolution can be increased.
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