MI 3201 TeraOhm 5 kV Plus Measurements
33
In this test, the insulation is measured in five equal time periods with test voltages from
one fifth of the final test voltage up to full scale (see the Fig. 24). This function illustrates
the relationship of a materials Insulation resistance and its applied voltage
Measurement procedure:
- Connect the test leads to the instrument and to the test object.
- Press the START/STOP key to start the measurement.
- Wait until set timer runs out, (the result will be displayed).
- Wait for the object under test to discharge
- The results can be saved by pressing the MEM key twice, see the chapter 6.1.
Storing, Recalling and Clearing Results.
0
0.2U
0.4U
0.6U
0.8U
U
T2T3T4T5T t
Fig. 24. Step-up test voltage
Legend of displayed symbols:
Fil0 (Fil1, Fil2, Fil3)
Filter type enabled, see the chapter 5.3.
Configuration
5000V
Set test voltage – step 125 V
U=5308V
Actual test voltage – measured value
I=266nA
Actual test current – measured value
19.9G
Insulation Resistance – result
C=1.2nF
Capacitance of measured object
Tm:05min 00s
Actual test duration
R1000V=20.0G
Last result of 1
st
step
R2000V=20.0G
Last result of 2
nd
step
R3000V=20.0G
Last result of 3
rd
step
R4000V=19.9G
Last result of 4
th
step
R5000V=19.9G
Last result of 5
th
step
U1=1077V
1
st
step voltage
U2=2142V
2
nd
step voltage
U3=3239V
3
rd
step voltage
U4=4283V
4
th
step voltage
U5=5308V
5
th
step voltage
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