Mounting The Accelerometer - BRUEL & KJAER System V Instruction Manual

6.3.2. Mounting the Accelerometer
The Reference Accelerometer sits on a hard ceramic block, which provides electrical iso­
lation and therefore helps to avoid ground loops. The Accelerometer is inverted as shown
in Fig .6.12 and the block is fastened by its single 10- 32
UNF
screw . This screw
should be fastened as tight as it is possible to do it with an ordinary hexagonal wrench by
hand.
After the Accelerometer is faste ned to the block, the block in turn is faste ned to the
skeleton by means of 4 x 2,5 mm screws in the manner shown in Fig.6 . 13 . Again , the
screws should be as tight as it is possible to get them by hand.
Fig.6 .
12.
Fastening the Accelerometer to the Isolatmg Block
Fig . 6 .
13.
Fitting the block to the Head
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