~
Goin
Adj
.
Olo20d8
l
X
-40dB
X Z
Input
BrUel
&
Kjcer
CopoonhOgon
y
Go
in
Adj
.
-40to-20d8
v-·z-
·
Goln · Goin
Output
~
~
Vibration Pick-up Preamplifier
Type 2625
A fully transistorised preamplifier
of
modular design
for
vibration
measurements. Integration
networks
are included to give an output
proportional to acceleration, velocity,
or
displacement, from an accelero-
meter input. Fixed gains,
or
individually adjustable gains are
available from three separate inputs.
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