BUCHI PrepChrom C-700 - Manual (Page 49)

BÜCHI Labortechnik AG Installation | 5
PrepChrom C­700 49/110
u Move the upper holder down onto the column and tighten the PEEK
adapter (5).
u Tighten the upper knurled knob (1).
5.6 Mixing chamber volume, adjustment
NOTE
The adjustment of the mixing chamber is recommended to minimize the dead
volume.
u Turn the wheel (2) to adjust the mixing chamber (3) according to the de­
sired flow rate of the pump.
• Turning the wheel clockwise will increase the mixing value.
• Turning the wheel counter­clockwise will decrease the mixing value.
u Read the current value on the scale of the protruding piston (1).
NOTE
The piston can be turned with a 11/32" spanner if the scale is turned towards
the device.
Flow rate Mixing chamber
0–80 mL/min 0 %
80–130 mL/min 40 %
130–175 mL/min 80 %
>175 mL/min 100 %