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