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