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