R3
resistance is
connected.
- Test voltage.
unts time
f
RUNNING mode
Input terminals
switched on. Input
terminals are
switched on.
Time sequence
Following drawing shows meaning and way influence the parameters and :
RUNNING mode
Input terminals
switched on. Calibrator
counts first time
r (n)
RUNNIN
Input termina
switched on. Connect UUT the output terminals.13 TimesequenceinPSPmode
Operating procedure
A. Reading currently applied test voltage displayed. s.
Calibrator starts to
count time
t2
t (s)
t3
Fig. Calibrator
counts time interval
R
R
RUNNING mode
Input terminals
switched on.
User Manual v16 23
. The time which has been elapsed after the starting RUNNING sequence.
resistance is
Calibrator co
interval t2._________________________________________M191 Insulation Tester Calibrator
Notes:
Testleadsdeliveredwiththe calibratorareapprovedforapplication to5kVDC.
- Accuracy actually connected resistance %.
Calibrator in
RUNNING mode
until output terminlas
are disconnected
R
y
STANDBY
mode
R1 resistance is
selected.r. Usetestleadsdeliveredwith
UUTsforhighertest voltages. R2
resistance is
connected.
- Total time. Use only test leads with guaranteed isolation according test voltage
range UUT. Use test leads delivered with UUT whenever possible.
G mode
ls
R1
connected.
to
RUNNING mode
Test voltage from
UUT identified.Preset resistances R0, R1, R2, which are connected the output terminals time points t0, t1, t2,
t3. R0
resistance is
connected.
Be aware that the test voltage for high resistance
measurements dangerous and can cause
electric shock!
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