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