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