o. M191 Insulation Tester Calibrator
L Low potential signal terminal signed The can used either grounded mode or
in floated mode. grounded mode the terminal connected protection earth and
calibrator housing via internal relay.
5 utput FF
The button enables switch OFF the output terminals. The terminal connected
inside the calibrator the low GND terminal. s.
6 unction buttons
Function buttons are used call-up the functions the calibrator and confirm entered values respectively.
T Tim function testing
User Manual v16 11
. Grounding done internally connecting and GND terminals using
a relay. Using the SETUP MENU, the output terminals the calibrator can be
grounded floating. And the protection earth wire
of the mains plug. Status the output indicated with LED diode
placed above the button.
G The metal terminal shielding terminal (equipotential).r. Under standard condition should connected
to the shielding wire the test leads UUT.MEATEST. Grounded mode suitable for most calibrations, where the object (multimeter) being
calibrated floating (battery operated). enables set any resistance value specified
resistance range and connect the output terminals.
The following buttons are provided:
Button Meaning
Function Selection main function steps UP
Function DOWN Selection main function steps DOWN
SETUP SETUP setting recall
LOCAL Switch local mode when remote
KQ Confirm new entered value kQ
MQ Confirm new entered value MQ
GQ Confirm new entered value GQ
TQ Confirm new entered value TQ
Tab Function buttons
Using the FUNCTION FUNCTION DOWN button one following functions can activated:
H igh resistance source
This the main function the calibrator. floated mode the terminal not connected to
protection earth. Whole resistance decade floating the floating mode.
Don’t exceed this limit !
A
G Ground terminal connected the chassis the calibrator.
Maximum safe voltage between terminal and GND terminal V
