M
AVTM24-1J REV A April 2006
20
C1, P1, P2, C2 Four terminals with wing—nuts are
provided for making a Kelvin connection to the
specimen under test. Test current is available at
the C1 and C2 terminals, and the actual resistance
is measured between the points where leads
connected to the P1 and P2 terminals are placed.
S2 The “forward-reverse” switch interchanges the P1
and P2 connections internally. In the “reverse”
position, the digital meter sees a voltage of
opposite polarity. The purpose is to enable an
operator to average the forward and reverse
readings if a zero offset error is suspected.
J2 The optional external power connector must have
its jumper plug (chained to the instrument) in
place while the instrument is in normal use. When
charging the internal batteries, remove the jumper
plug and connect the charger to J2.
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