Metrohm 746 VA Trace Analyzer - Manual (Page 3)

Table of contents
746 VA Trace Analyzer / 747 VA Stand
II
3.4 Multi-mode electrode (MME) .................................................. 3-14
3.4.1 Construction and operating characteristics of the MME........... 3-14
3.4.2 Filling the MME with mercury..................................................... 3-16
3.4.3 Mounting the capillary ............................................................... 3-17
3.4.4 Filling the capillary without vacuum........................................... 3-18
3.4.5 Filling the capillary using vacuum ............................................. 3-19
3.4.6 Storing the MME ........................................................................ 3-22
3.4.7 Replenishing the mercury (without changing capillary) ............ 3-23
3.4.8 Changing the capillary............................................................... 3-24
3.4.9 Cleaning the MME ..................................................................... 3-25
3.5 Rotating disk electrode (RDE) .............................................. 3-27
3.5.1 Construction and startup of the RDE......................................... 3-27
3.5.2 Regenerating the RDE............................................................... 3-27
3.6 Reference electrode ................................................................... 3-29
3.6.1 Construction .............................................................................. 3-29
3.6.2 Startup procedure...................................................................... 3-30
3.7 Auxiliary electrode ...................................................................... 3-31
3.7.1 Construction .............................................................................. 3-31
3.7.2 Startup procedure...................................................................... 3-31
3.8 Stirrer ................................................................................................. 3-32
3.9 Connection of 685 Dosimats ................................................. 3-33
3.9.1 Electrical connection.................................................................. 3-33
3.9.2 Tubing connection for addition of standard solutions............... 3-34
3.9.3 Tubing connection for addition of auxiliary solutions ................ 3-35
3.9.4 Changing the Exchange unit ..................................................... 3-37
3.9.5 Installation and use of the pipetting equipment ........................ 3-38
3.10 Connection of 700 Dosinos .................................................... 3-41
3.10.1 Electrical connection.................................................................. 3-41
3.10.2 Tubing connection for addition of standard solutions............... 3-42
3.10.3 Tubing connection for addition of auxiliary solutions ................ 3-43
3.10.4 Changing the Dosing unit.......................................................... 3-45
3.10.5 Installation of Dosinos for rinsing the measuring vessel........... 3-46
3.10.6 Installation and use of the pipetting equipment ........................ 3-48
3.11 Connection of printers via parallel interface ................. 3-51
3.12 Connection of devices via RS232 interfaces ................ 3-52
3.12.1 Connection of a PC ................................................................... 3-53
3.12.2 Connection of a printer .............................................................. 3-54
3.12.3 Connection of a balance ........................................................... 3-55
3.13 Connection of devices via remote interface .................. 3-56