1.1 Product Overview
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1
Inaccuracies in measurements have been noted to occur during the withstand-
voltage and insulation-resistance tests because of variations in the test voltage
caused by fluctuations in the voltage supply, breaking of the test leads and
improper connection.
Model 3174, 3174-01 AC Automatic Insulation/Withstanding HiTester is an
affordable insulation/withstanding testing instrument equipped with stable volt-
age supply and contact check functions to prevent a decrease in testing reliabil-
ity caused by these factors.
In addition, to improve the efficiency of the testing process on the production
line, it allows testing settings to be retrieved from both RS-232C (GP-IB) as well
as EXT I/O.
Once test conditions have been pre-set beforehand, withstanding and insulation-
resistance tests which meet industrial standards can be carried out with just the
simple push of a button. Functions such as PASS-FAIL evaluation based on
upper-limit and lower-limit test values, testing time timer, ramp-up/ramp-down
time timer to control voltage fluctuations ensure accurate test results are
obtained.
Once test conditions required for the various industrial standards and device to
be tested have been saved, tests can be carried out smoothly by just switching
to the required test conditions. Up to 8 conditions can be saved for the with-
standing and insulation-resistance tests respectively. In addition, test conditions
for the last test are automatically retrieved when the power is switched on.
Overview Chapter 1
1.1 Product Overview
Front Panel Rear Panel
1.2 Features
Carry out standards-based tests with simple operations
Saving and loading test conditions
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