When valid test voltage identified the output terminals, the calibrator goes over RUNNING statue. s. This statue signalized with the label right upper corner the display. Current test voltage presented the
process.o.
D.Display shows information follows (Standby mode):
MEATEST.
- Vmax parameter maximum test voltage which
interval the Timer calibration.r.
F. Timer mode STANDBY
- Measured time seconds with 100 resolution. Select TIMER mode pushing repeatedly FUNCTION FUNCTION DOWN button until TIMERlabel
appears the display. Use test leads delivered with UUT whenever possible.000k U
STAND BY
Local
Gnd
Test- voltag 0.
has been caught the calibrator during time
calibrator output terminals during calibration
User Manual v16 17
. Use onlytest leads with guaranteedisolationaccording totest voltage
range UUT.
Operating procedure
A. Connect UUT the output terminals.
B.002 Mode:
TIMER
ACCURACY
0 'T/
Fig. Green LED starts light.
C.
Notes:
Donotdisconnectconnectionbetween UUTandM191 calibratorotherwise themeasuredvaluesarenot valid.
M191 goes over STANDBY.8 Timer mode OFF
G.
In this mode calibrator counts time for which the valid test voltage attached the output terminals.0 £
Umax:0 . Compare M191 time interval reading the UUT preset time. Minimum guaranteed valid test voltage which
can caught the calibrator 100 VDC. 2:-;
Fig.
Calibrator displays current time interval and current test voltage.
11. Switch output terminals the M191 ONby pushing the button OUTPUT ON.
- Test voltage. Select requested test voltage level UUT. When the test voltage disconnected UUT, calibrator stops operation, goes over statue OFF,
disconnect output terminals and hold value measured time interval and maximum test voltage which has
been detected during the period.229kU
OFF
Local
Grid
Test, 11a'EJe: Mode :
TIMER
ACCURACY
0.
- Accuracy the measured time interval s.0 s
Umax:0 . Select function
TIMER UUT and set-up requested time interval.___________________________ M191 Insulation Tester Calibrator
0. Select resistance range UUT necessary.
E.
In STANDBY mode the calibrator waiting for test voltage
