Metrohm 940 Professional IC Vario ONE/Proep 2 - Manual (Page 41)

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3 Installation
940 Professional IC Vario ONE/Prep 2 (2.940.1120)
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3.15 Peristaltic pump
3.15.1 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.
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 sample 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.
6.1826.020 Pump tubing (blue/blue), 2
stoppers PVC (Tygon ®
ST)
1.65 mm Pump tubing for online IC instru-
ments and automation in voltam-
metry.
Selecting the pump tubing and adapter
1 Select pump tubing suitable for the application (see Table 2, page
33).
2 Select an adapter suitable for the pump tubing. The adapters are
included with the pump tubing connection with safety device and fil-
ter (6.2744.180).