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6. Getting started
6-1 Mechanical zero adjustment
With the function switch set to OFF position and without pressing
the test button, turn the zero adjuster with a screwdriver so that
the pointer lines up with the ∞ mark on the insulation resistance
scale. In case the instrument is used at sloping place, ensure that
the pointer lines up with the ∞ mark tilting the instrument to the
necessary angle.
6-2 Attaching metal tip/ adapter to test leads
The following user-changeable metal tips and adapters are available.
(1) In case of MODEL7260:
The metal tip of MODEL7260 is replaceable depending on the
applications.
1. Standard metal tip… Installed at a shipment supplied with
detachable insulation cap
2. MODEL8017A ……Long type and helpful to access the distant
[How to replace the parts]
Turn the tip of MODEL7260 counter-clockwise and remove the
metal tip. Insert the metal tip you want to use into the hexagon
hole, and turn the tip part of the probe clockwise to tighten firmly.
(2) In case of MODEL7261A:
Either of the following adapters can be attached to MODEL7261A.
1. Alligator clip
2. Flat test bar
MODEL 8017A
Fig. 6-1
Standard metal tip
Metal tip
Male screw
Hexagon hole
Female screw
