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