User manual SEFELEC 5x Series 20 v1.06
Dielectric strength, 50 VA
At current threshold IMAX
Amplitude adjustable from
0.001 mA to 10.000 mA in steps of 0.001 mA.
The device continuously measures the total current and the real current (AC) circulating through
the sample under test and compares the latter according to two possibilities:
The high threshold > 0.000 mA, the low thresh-
old is fixed at 0.000 mA
If the measured current is greater than or
equal to the threshold, the test is declared
FAIL: Circuit break; if the current is < high
threshold the test is declared PASS
The low threshold > 0.000 mA and the high
threshold is > low threshold
If the current measured is inside the range
defined by the thresholds, the test is PASS, if
it is outside the test is declared FAIL: Circuit
In the sensing modes above, it is possible to specify a minimum value of current flowing in the
sample under test. The value of IMIN is adjustable from 0.000 mA to 10.000 mA. The use of
IMIN ensures that the test sample is correctly connected to the device
In this case no current monitoring is performed.
There is no adjustment of the output voltage in relation to the load
Warning: Permanent use of the device on a low-impedance charge can result
in overheating of the amplification stage, with consequent stoppage of the
generator for safety reasons.
Measurement of the TOTAL permanent current
The reading of the total current (resistive and capacitive) is obtained through a shunt located
directly in the test circuit
In DC the accuracy is guaranteed for charging resistances > 1 MΩ.
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