G.
- Test voltage. UUT starts sourceDCcurrent. Start UUT measurements, typically pushing ONbutton the UUT.
D. Switch the UUT output OFF remove test voltage fromthe output terminals. Select requested test voltage level UUT.
F. Maximum allowed test voltage. Green LEDstarts light. Connect UUT the output terminals. Compare M191 reading UUT specification.
I.Notes:
Whenin SHORTmode, groundingoftheLfrontpanel terminal always set ON.
User Manual v16 19
. Select HVC mode pushing repeatedly FUNCTION FUNCTION DOWN button until HVC label
appears the display.7 HVC High voltage capacitance
In High voltage capacitance function (HVC) the calibrator enables connect the output terminals one three
high voltage capacitors which are built-in the calibrator.10 High capacitancemode
- Calibration value the selected capacitor
- Vmax.
TypicalshortcurrentofUUTs megaohmmetersisseveralmAmax. Sense the capacitance function offer tool for
calibration those megaohmmeters and insulation testers which can measure also capacitance. Select requested test voltage level UUT.
E.
MEATEST, s.
Operating procedure
A. Set nominal value the requested capacitor using numerical keyboard and
confirmby ENTERbutton. Maximum test voltage 000
VDC. Select resistance range UUT necessary.
C. Connect output terminals the M191 pushing the button OUTPUT ON. Use test leads delivered with UUT whenever possible.o.
The calibrator equipped with capacitors with nominal values 10, 50, 100 nF.
M191 starts measure short current.
H. Select resistance range UUT necessary._________________________________________M191 Insulation Tester Calibrator
4.
B.r. Use only test leads with guaranteed isolation according test voltage
range UUT.
When HVC mode the display shows information follows:
Fig. Calibration value the selected position will appear. terminal connectedto
protection earthpotential. M191 calibrator measures the short current and displays it. the output terminals currently connected test voltage
- Accuracy the set capacitance %
