Metrohm 730 Sample Changer User Manual download pdf (Page 30)

3.1 Tutorial

730 Sample Changer, Introduction

3 Introduction

3.1 Tutorial

In order to become acquainted with the 730 Sample Changer and

its mode of operation, it is helpful to work through the short Oper-

ating Tutorial. The basic operating steps that are required to pre-

pare the first sample series and run it with a given method are de-

scribed here.

Prerequisites / Preparations

• This operating tutorial can be carried out with all changer varia-

tions (1-tower or 2-tower models). Only tower 1 will be used in

this case. If a swing head is installed, see chapter 3.3 "Swing

Head", page 42.

• It is assumed that the changer is fully installed.

• Connect a Metrohm titration instrument (a Titrino model is a

good choice) to the remote socket (cable 6.2141.020). This tuto-

rial can also be executed as a "dry run" i.e. without a titration in-

strument.

• Choose a simple titration method that you have saved in the

titration instrument or create a new simple method.

• Mount the necessary tubing, an electrode and the rotating noz-

zle or spray nozzles on the titration head on tower 1. Don’t for-

get to mount the splash protection and the plug cover.

• The <ê> and <é> keys can be used to move the lift up or down

for this purpose.

TOWER

SELECT

• With the 2-tower model, the <TOWER/SELECT> key changes

the active tower.

RESET

CLEAR

ENDSEQ

• Install the sample rack. Press the <RESET> or <ENDSEQ>

(+<ENTER>) key. The changer is initialized in this way with

each lift placed in the rest position and the rack is turned until

the rack position 1 is positioned in front of tower 1. In this posi-

tion the magnetic rack code can be read so that the internally

stored rack data (position table, etc.) can be loaded.

This should be done after every rack change.

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Metrohm 730 Sample Changer User Manual Page 30