BRUEL & KJAER 2305 - Analog Voltage Readout ZR 0021; Screened Connection Box JJ 0004

Screened Connection Box JJ 0004.
Fig. 4.14. Screened Connection Box JJ 0004.
When more complex measuring arrangements are made up from B & K
instruments it is often necessary to make multiple connections. For this
purpose the Connection Box is an extremely useful accessory. The Box
contains four screened sockets all of which are connected in parallel (in
multiples). The terminals match the normal B & K Screened Connecting
Cables.
Analog Voltage Readout ZR 0021.
The purpose of the Analog Voltag e Read-Out ZR 0021 is to obtain a DC
voltage output from the Brliel & Kj re r Level Recorder Type 2305, which is
proportional to the input level l in dB). This is accomplish ed by utilizing the
electromechanical servo sy stem of the Level Recorder to drive an accessory
slide wire .
Fig. 4.15. The Analog Voltage Readout ZR 0021 .
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