Metrohm 940 Professional IC Vario ONE/SeS/PP/HPG User Manual
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3 Installation
940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540)
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43
Input
Tighten the aspiration tubing (6.1803.020) to the tubing olive (6.2744.034)
using a pressure screw (6.2744.070).
Output
Tighten the regenerant suppressor capillary to the pump tubing connec-
tion with safety device (6.2744.180) using a pressure screw (6.2744.070).
Next step
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Connect the loose end of the aspiration capillary to the bottle with the
regeneration solution.
Connecting capillaries for rinsing solution (as an alternative
to STREAM)
Accessories
For this step you need the following accessories:
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Aspiration capillary (6.1803.020)
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2 × pressure screw, short (6.2744.070)
On the pump tubing's …
… connect this accessory
Input
Tighten the aspiration tubing (6.1803.020) to the tubing olive (6.2744.034)
using a pressure screw (6.2744.070).
Output
Tighten the regenerant suppressor capillary to the pump tubing connec-
tion with safety device (6.2744.180) using a pressure screw (6.2744.070).
Next step
■
Connect the loose end of the aspiration capillary to the bottle with the
rinsing solution.
Setting the flow rate
The flow rate of the peristaltic pump depends on many factors:
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The inner diameter of the pump tubing
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The rotational speed of the drive
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The contact pressure of the tubing cartridge
NOTE
Pieces of pump tubing are consumables. The lifetime of the pump tub-
ing depends on the contact pressure, among other factors.