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