Metrohm 920 Absorber Module - Manual (Page 34)

4.3 Dosino for ultrapure water
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920 Absorber Module
Connecting port 2 and port 4
Port 2 and port 4 of the Dosino are on the bottom of the instrument.
These ports are connected first.
Accessories The following accessories have to be connected to these two ports:
Port Install this accessory
2 FEP tubing M6 for 920, 150 cm (6.1838.020) (8- 15 )
4
￭ PTFE capillary (6.1803.030) (8- 14 )
￭ Pressure screw (6.2744.350)
￭ Coupling (6.2744.080)
￭ Adapter Dosino port 4 (6.1808.280)
For this step you also need:
￭ Thread adapter (6.1618.020)
￭ Dosino holder (6.2057.230)
￭ Colored sleeves, blue
Preparing
Before you can connect the capillary and the aspiration tubing, you have
to:
￭ Install the coupling for the connection between the capillary and Dos-
ino.
￭ Thread the capillary for the water infeed and the aspiration tubing
through the thread adapter and the Dosino holder.
1 Mounting the coupling
The ports on the Dosino are intended for tubing with an M6 connec-
tor. If capillaries are connected to the ports, a coupling has to be
installed at the end.
6.2744.080
6.2744.350
6.1803.030
￭ Optional: Guide a blue colored sleeve over the end of the capil-
lary.