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