Multichannel Systems PPS2 Manual - Manual (Page 17)

PPS2 Manual
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The pictures shows the “Main Window” of the touch screen. The “On” and “Off” buttons
are connected for the operation of both pumps. The grey color of the upper buttons indicate
that no pump is running at the moment, the green color indicates running pumps.
Select the check box “Use Bubble Detector” in “Configuration” to switch the bubble
detector on and the “Bubbles” indicator will be visible in the “Main window”.
In the left picture of the “Main Window” no tube is connected to the bubble detector.
In the right picture no pump is running and therefore no bubbles are detected by the
bubble detector.
“Main Window” when both pumps are running and the bubble detector detects bubbles.
Speed Window of PPS2 Touch Screen
The up down arrows in the “Speed Window” are responsible for controlling the fluid flow.
In the “Speed Window” on the left picture, the speeds of the perfusion and waste peristaltic
pump are independent adjustable with the up down arrows under “Perfusion” and “Waste".
When both pumps are coupled because a “Fixed Speed Ratio” is selected, you control the
speeds of both pumps together via up down arrows under “Perfusion” as shown on the right
picture.