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