Elcometer SCM400 Operating Instructions Manual page 11

If using half size papers - cover
exactly half the inner and outer
electrodes.
If using quarter size papers -
cover exactly quarter of the inner
and outer electrodes.
If using 22 mm wide strips - lay
the paper across the inner and the
outer electrodes, to completely
cover the inner electrode.
8. Close the lid ensuring that the magnetic catch is fully engaged.
9. Within 5 seconds, press the green pushbutton once to obtain a reading.
10.Multiply the reading by an appropriate factor to account for the reduced
area sampled:-
For half size paper multiply the reading by 2
For quarter size paper multiply the reading by 4
For 22 mm wide strips multiply the reading by 2.8
11.Follow Steps 5 to 10 (inclusive) in Section 4.2.
Half Size Sample Paper
Outer Electrode
Inner Electrode
Central Marker
Quarter Size Sample Paper
Outer Electrode
Inner Electrode
Central Marker
22 mm Wide Sample Paper
Outer Electrode
Inner Electrode
Central Marker
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