Operation Manual

2
8 MX670 / MX675
4
.4 DC Current measurement (MX675 only)
Set the switch to A .
Once the display is stabilised,
press the A ZERO & HOLD
button to reset the display to
zero.
The
operating procedure is then
identical to that of AC
measurement.
See previous paragraph.
Note: The correct display of
current direction is the result of
observing the positioning of the
"+" indication on the
clamp arm,
in relation to the source.
4.5 Resistance measurement and Audio Continuity Test
Set the switch to Ω .
4.5.1 Resistance measurement:
Connect the red test lead to the "+"
terminal and the black test lead to
the "COM" terminal.
Put the touch prods into contact with
the points to be measured.
Read the result of the measurement
on the display.
Note: Always
check that the circuit
is disconnected from the power
supply before measuring resistance!