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