Hioki IR4056 - Pre-measurement Inspection

10
1.3 Names and Functions of Parts
1.3 Names and Functions of Parts
Display: IR4057 (p.11), IR4056 (p.12)
Front Panel
*This figure is model IR4057.
LINE terminal
Connect the red
test lead.
EARTH terminal
Connect the black
test lead.
Measure key
Press to measure
insulation resistance.
Rotary selector
Select measurement
functions.
LIGHT key
Press this key to turn on and
off the light.
0 ADJ key
Press this key to perform zero-
adjustment for the low resistance
range.
RELEASE key
Press this key before
measurement to set the
instrument to the 500 V or
1,000 V range (to prevent
erroneous application of
the test signal).
COMP key
Press this key to set the com-
parator’s judgment reference
value.
Live circuit indicator
Lights up when voltage remains
between input terminals