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