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Metrohm 797 VA Computrace User Manual

Page 41

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2.3

Multi-Mode Electrode (MME)

797 VA Computrace / Hardware-Manual 8.797.8001EN

33

• Using a suitable coin, screw slotted screw 74 into the screw thread 80 until

the contact surface of the black O-ring at the Plexiglas wall (thin, black
stripe) is just visible below the metal thread.

• Place Multi-Mode Electrode 21 with the opening 82 facing upwards in the

electrode holder 92 (see Fig. 11-1).

• Insert ring 83 in opening 86.
• Push sealing ring 84 onto locking ring 85 and insert both in the opening

82.

• Screw retaining nut 86 by hand into screw thread 82 until a slight resis-

tance is felt.

9 Add mercury

Proceed as described in section 2.3.2.

10 Mount new capillary

Proceed as described in section 2.3.3.

11 Fill capillary

Proceed as described in section 2.3.4 or section 2.3.5.