Metrohm 940 Professional IC Vario ONE/ChS/PP - Manual (Page 45)

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3 Installation
940 Professional IC Vario ONE/ChS/PP (2.940.1300)
￭￭￭￭￭￭￭￭ 37
Connecting the rinsing solution inlet to the peristaltic pump
For this step you need the following accessories:
￭ Accessory kit: Flex/Vario: ChS (6.5000.030)
￭ Pump tubing (6.1826.420)
￭ Tubing olive with filter and lock (6.2744.180)
￭ Tubing olive (6.2744.034)
￭ Tubing cartridge of the peristaltic pump
1 Prepare a tubing cartridge of the peristaltic pump for the regenera-
tion solution (see Chapter 3.14.1, page 37).
2 Fasten the capillary labeled rinsing solution to the outlet of the pump
tubing using a pressure screw (6.2744.070).
3 Fasten the PTFE capillary from the bottle with the rinsing solution to
the inlet of the pump tubing.
3.14 Peristaltic pump
3.14.1 Installing the peristaltic pump
Installing the pump tubing
Pump tubing can differ in terms of material, diameter and thus flow rate.
Different pump tubing is used depending on the application.
Table 2 Pump tubing
Order num-
ber Name Material Inner diame-
ter Use
6.1826.310 Pump tubing LFL (orange/
green), 3 stoppers PVC (Tygon ® ) 0.38 mm Pump tubing for bromate deter-
mination using the triiodide
method.
6.1826.320 Pump tubing LFL (orange/
yellow), 3 stoppers PVC (Tygon ® ) 0.48 mm For acceptor solutions for inline
dialysis and for inline ultrafiltra-
tion.