Hoefer PP24 - Manual (Page 7)

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Publication 5392-001-REV-A
Operating Instructions (Contd)
Loading the Pump
A hinged black plastic compression clamp holds the tubing against the
rollers. Release the clamp by pushing it and rotating it away from the
rollers. Insert one or two tube segments and close the clamp tightly until it
snaps into position. See page 6 for more detailed instructions and diagrams.
Setting the Direction
A toggle switch has been provided for clockwise or counter clockwise
rotation.
Adjusting the Flow Rate
Use the speed range switch x1, x2, and the main speed knob to adjust
flow rate.
F Fllo ow w R Ra atte e p pe err ttu ub be e,, m mll//m miin n..
(Below values are for a single tube. Using two tubes in parallel will double
the flow rate.Values are approximate.)
Use a stop watch and measured container to precisely determine the
actual flow rate.
MPII Flow Rates in ml/min
Switch With One Tube With Two Tubes
Setting Min. Max. Min. Max.
x1 0.8 ml/min 7.00 ml/min 1.6 ml/min 14.00 ml/min
x2 1.5 ml/min 12.25 ml/min 3.0 ml/min 24.50 ml/min