18 User Manual
.
C.
M191 starts measure short current.
F. s. Select resistance range UUT necessary. M191 calibrator measures the short current and displays it.
Be aware that the test voltage for high resistance
measurements dangerous and can cause
electric shock!
Testleads deliveredwiththe calibratorareapprovedforapplication upto5kVDC.
B.5 kQ.
D.9 SHORT mode
- Measured short current mA
- Accuracy the measured value %.r. Connect UUT the output terminals.o. Usetestleads deliveredwith
UUTsforhighertest voltages.
Display shows information follows:
Fig. Compare M191 reading UUT specification.
I. Use test leads delivered with UUT whenever possible. Switch the UUT output OFF remove test voltage fromthe output terminals. M191
milliampermeter has one range mAwith five-digit resolution this mode. Disconnect M191 output terminals using the button OUTPUT ON. M191 measures test current sourced UUT under short circuit condition.M191 Insulation Tester Calibrator MEATEST.6 SHORT Short current mode
Short current mode (SHORT) designed enable verification short current capability UUTs -
megaohmmeters. Connect output terminals the M191 pushing the button OUTPUT ON. UUT starts source current.
Operating procedure
A.
E. Select requested test voltage level UUT.
H. Use only test leads with guaranteed isolation according test voltage
range UUT.
G. Green LED starts light. Select SHORT mode pushing repeatedly FUNCTION FUNCTION DOWN button until SHORT label
appears the display. Activate UUT measurement, typically pushing button the UUT. Nominal input resistance 2.
4
