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