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