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INPUT CARDS
INPUT CARDS
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HBM KAB2139 cables are designed to meet this setup:
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Fig. 12.33 Shielded cable setup
MoreKAB2139detailscanbefoundintheGN310B/GN311Bdatasheetspecications.
● For high frequency disturbances where high bandwidth measurement is not
required,themeasurementbandwidthcanbereducedbyusingthelowpasslter
of the acquisition card.
● If unshielded cables are used, keep them as close together as possible, i.e. posi-
tion them next to each other (to keep the loop small).
● Make sure that measurement cables that are used for measuring high dynamic
or distorting signals are not closely positioned to measurement cables used for
measuring small sensitive signals.
● Keep all measurement cables well separated from cables connected to high
switching loads or motor cables.
● Separate measurement equipment and cables from potentially interfering equip-
ment like frequency inverters or wireless equipment.
General cabling remark: Only use properly rated cables to measure the signal. Both the
voltage and current rating should be matched to the signal for measurements.
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