Measurement-computing LogBook Series Bedienungsanleitung Seite 125

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LogBook User’s Manual 949297 CE Compliance 8-3
Emissions/Immunity Conditions
The specific immunity conditions for CE compliance vary by product; but general immunity conditions
include:
Cables must be shielded, braid-type with metal-shelled connectors. Input terminal connections are
to be made with shielded wire. The shield should be connected to the chassis ground with the
hardware provided.
The host computer must be properly grounded.
In low-level analog applications, some inaccuracy is to be expected when I/O leads are exposed to
RF fields or transients over 3 or 10 V/m as noted on the Declaration of Conformity.
CE Enhancements for Existing Products
This section describes three CE enhancements.
DBK41/CE
Edge Guards for the DBK5, DBK8, and DBK44
BNC Connectors for CE compliance
Edge Guards for DBK5, DBK8, and DBK44
A plastic barrier attached to the end of a DBK card helps prevent access to leads, and to live circuits.
The edge guards attach to DBKs (see figure below) that are mounted in a DBK41/CE, with EMI shield
plates. The access slot allows insulated wires to pass through the barrier.
DBK41/CE
The DBK41/CE includes 3 variations of EMI shield plates that attach to the DBK41 enclosure. Besides
acting as an electrical safety barrier, these shields reduce electromagnetic interference (EMI).
Note: The CE kit is included with the DBK41/CE. It can be purchased as an optional accessory for use
with DBK41.
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