3.12 Connecting an external pump
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855 Robotic Titrosampler
3.12 Connecting an external pump
The model version with built-in pump allows to connect an external pump
at the rear of the tower. To aspirate clear aqueous media, the 823 Mem-
brane Pump Unit can be used. To aspirate organic media or aqueous
media containing solids, the peristaltic pump 772 Pump Unit must be
used.
Connecting a pump
Figure 20
Connecting a pump
Connect the external pump as follows:
1
￭ Plug the threaded plug of the connection cable into the connec-
tion socket Ext. Pump 2 on the rear of the tower.
Pay attention to the orientation of the three contact pins.
￭ Tighten the knurled screw at the front end of the plug by hand in
clockwise direction.
This secures the plug.
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