marposs P1 - Screw Guides;Pawls Zero-Setting

Instruction Manual
34
P1
– Instruction Manual
7.5.1.1 Zeroing with screw guides or pawls
a) Bring the head to measuring position.
b) Set selector (Figure 13) to position “1”.
c) Loosen screw 2 (Figure 14)
d) Act on screw 1 until the meter reads zero, tighten screw 2.
e) Set selector (Figure 13) to position “2”.
Figure 13 Selector
f) Loosen screw 3.
g) Act on screw 4 until the meter reads zero. Tighten screw 3.
h) Set selector 5 (Figure 13) to position “1+2”.
i) If necessary, act on pushbuttons for zero adjustment making the meter read zero.
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Note
In applications with measuring head provided with one contact only, carry out only operations a),
b), c), d) and i) relevant just to contact T1.
A) With pawls
B) with adjustable screw-guides
Figure 14 Zero-setting with screw-guides or pawls