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