HBM Z16A Bedienungsanleitung Seite 18

Electrical connection
Electrical and magnetic fields often induce interference voltages in the
measuring circuit. Therefore:
S Use shielded, low-capacitance measurement cables only (HBM cables fulfill
both conditions).
S Connect the shielding extensively, not punctiform (connect over large
surface area).
S Do not route the measurement cables parallel to power lines and control
circuits. If this is not possible, protect the measurement cable with e. g.
steel conduit.
S Avoid stray fields from transformers, motors and contact switches.
S Do not ground the transducer, amplifier and indicator more than once.
S Connect all the devices in the measuring chain to the same protective earth
conductor.
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A04000_03_Y00_00 HBM: public
Z16A