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Instructions 2688
Connection
The preamplifier must be mounted in a shielded junction box on a DIN-rail.
Guidelines for connecting transducers to Charge Amplifier type 2688:
Figure 3
Connection to a differential accelerometer
Figures 3 shows Type 2688 with connected cable(s).
NOTE
It may be advantageous to use Microdot Input Adaptor type EQ2353 for connection of single-end
accelerometers.
EMC
EN61326-1
To avoid possible negative influences caused by a surge impulse (according to EN61000-4-5), double screened
cables must be used.
The amplifier must be installed in an electrically shielded junction box. The required isolation between amplifier
housing and PA is given over isolated bottom of housing to the DIN rail holder.
Contact from amplifier housing to other PA/PE must be avoided.
©Brüel & Kjaer Vibro GmbH / 2688 DEF / 28.8.18
Inner Screen
Inner Screen
Inner Screen
(Gray)
(Black)
Inner Screen
Technical specifications subject to change!
| Connection
Multi Pair Cable
Outer screen connected in cable gland
C105120.001 / V03
EN
l
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