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