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