Metrohm 2.942.0300, Manual, Page: 23 / 56

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3 Installation
942 Extension Module Vario ChS-PP (2.942.0300)
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15
3.3 Peristaltic pump
3.3.1 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 1 Pump tubings
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.
6.1826.330 Pump tubing LFL (orange/
white), 3 stoppers PVC (Tygon
®
) 0.64 mm No special applications.
6.1826.340 Pump tubing LFL (black/
black), 3 stoppers PVC (Tygon ® ) 0.76 mm For sample solution in Inline Dial-
ysis.
6.1826.360 Pump tubing LFL (white/
white), 3 stoppers PVC (Tygon ® ) 1.02 mm For sample transfer.
6.1826.380 Pump tubing LFL (gray/
gray), 3 stoppers PVC (Tygon
®
) 1.25 mm For Inline Dilution.
6.1826.390 Pump tubing LFL (yellow/
yellow), 3 stoppers PVC (Tygon
®
) 1.37 mm For sample solution in Inline
Ultrafiltration.
6.1826.420 Pump tubing PharMed ®
(orange/yellow), 3 stoppers
Ismaprene 0.51 mm For suppressor solutions.
Selecting the pump tubing and adapter
1 Select pump tubing suitable for the application (see table 1, page
15) .
2 Select an adapter suitable for the pump tubing. The adapters are
included with the pump tubing connection with locking nut and filter
(6.2744.180).