Rear Pane I - BRUEL & KJAER 4292 Instructions And Applications

2.2.
REAR PANEL
RESONANCE:
PREAMP. PLUG:
6
Preamplifier Plug
I
271£5()
Fig.2.2. Rear panel of the 4292
Mechanical control for adjusting the mechani-
cal resonance of the VIBRATION TABLE to
79.6 Hz when accelerometers with different
masses are to be calibrated.
7 pin plug for direct connection to the pream-
plifier input socket on B & K Measuring
Amplifiers and Frequency Analyzers or to the
B & K Power Supply Type 2801. Power for
the 4292 is supplied via this plug which also
provides an output for the internal preampli-
fier. For connections see Fig.4.1.