Metrohm 917 Coulometer Operation instructions

917 Coulometer

Tutorial

8.917.8001EN

Metrohm AG

CH-9100 Herisau

Switzerland

Phone +41 71 353 85 85

Fax +41 71 353 89 01

[email protected]

www.metrohm.com

917 Coulometer

Tutorial

8.917.8001EN 01.2019

Technical Communication

Metrohm AG

CH-9100 Herisau

[email protected]

This documentation has been prepared with great care. However, errors

can never be entirely ruled out. Please send comments regarding possible

errors to the address above.

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Table of contents

￭￭￭￭￭￭￭￭ III

Table of contents

1 Introduction 1

1.1 Structure of the tutorial ....................................................... 1

1.2 Additional information ......................................................... 1

1.3 Symbols and conventions .................................................... 1

2 Installation 3

2.1 Setting up and connecting the instrument ........................ 3

2.2 Setting up the titration cell for coulometry ....................... 7

2.2.1 Inserting the titration cell ......................................................... 7

2.2.2 Preparing the titration cell ........................................................ 7

2.2.3 Mounting the addition and aspiration tube ............................ 11

2.2.4 Titration cell with aspiration equipment (utilization with Dos-

ino) ....................................................................................... 12

2.2.5 Using the titration cell with a Karl Fischer oven ...................... 13

2.2.6 Using the titration cell with a sample changer ........................ 14

2.2.7 Connecting sensors ............................................................... 15

2.3 Setting up the aspiration and reagent bottle .................. 20

2.4 Connecting a pump ............................................................ 24

3 Switching the instrument on and off and selecting the dia-

log language 25

3.1 Switching the instrument on and off ................................ 25

3.2 Selecting the dialog language ........................................... 27

4 Fundamentals of operation 28

4.1 Touch-sensitive screen ....................................................... 28

4.2 Display elements and controls .......................................... 28

4.3 Status display ...................................................................... 30

4.4 Entering text and numbers ................................................ 31

5 Setup and configuration 33

5.1 Preparing instruments and material ................................. 33

5.2 Configuring reagent data .................................................. 33

5.3 Configuring a printer .......................................................... 34

6 Carrying out the water content determination of a sam-

ple 36

6.1 Creating a titration method ............................................... 36

Table of contents ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭

IV ￭￭￭￭￭￭￭￭

6.2 Carrying out the water content determination ............... 40

7 Performing titration with supplementary functions 45

7.1 Saving the determination and the PC/LIMS report ......... 45

7.2 Modifying the titration parameters .................................. 47

7.3 Creating a sample table ..................................................... 48

7.4 Carrying out titrations using the sample table ................ 51

8 Setting up the user administration 52

8.1 Creating a user list .............................................................. 52

8.2 Automatic login with USB flash drive ............................... 54

8.3 Login with password .......................................................... 56

Index 59

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Table of figures

￭￭￭￭￭￭￭￭ V

Table of figures

Figure 1 Connecting the power supply unit ..................................................... 3

Figure 2 USB/RS-232 adapter .......................................................................... 4

Figure 3 Connecting the USB cable ................................................................. 6

Figure 4 Inserting the titration cell ................................................................... 7

Figure 5 Filling the adsorber tube .................................................................... 8

Figure 6 Equipping the titration cell ................................................................. 9

Figure 7 Mounting the addition and aspiration tube ...................................... 11

Figure 8 Titration cell with aspiration apparatus ............................................ 13

Figure 9 Remote connection 885 Compact Oven SC – Remote Box – 917 Coul-

ometer ............................................................................................ 15

Figure 10 Unscrewing the protective cap from the generator electrode ........... 16

Figure 11 Screwing the electrode cable to the generator electrode ................. 16

Figure 12 Connecting a generator electrode ................................................... 17

Figure 13 Unscrewing the protective cap from the indicator electrode ............ 17

Figure 14 Screwing the electrode cable to the indicator electrode ................... 18

Figure 15 Connecting an indicator electrode ................................................... 18

Figure 16 Connecting the PVC tubings ............................................................ 24

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 1 Introduction

￭￭￭￭￭￭￭￭ 1

1 Introduction

1.1 Structure of the tutorial

This tutorial describes the installation and the first steps with the 917

Coulometer. You will be guided step-by-step through the most important

dialog pages by using a water content determination with a water stan-

dard. In addition, you will find information regarding titrations with

extended functions and for user administration.

1.2 Additional information

General information regarding coulometric Karl Fischer titration can be

found in the monograph "Water Determination by Karl Fischer Titration"

at www.metrohm.com (8.026.5011 DE; 8.026.5013 EN).

1.3 Symbols and conventions

The following symbols and formatting may appear in this documentation:

Cross-reference to figure legend

The first number refers to the figure number, the sec-

ond to the instrument part in the figure.

Instruction step

Carry out these steps in the sequence shown.

Method Dialog text, parameter in the software

File ▶ New Menu or menu item

[Next] Button or key

WARNING

This symbol draws attention to a possible life-threat-

ening hazard or risk of injury.

WARNING

This symbol draws attention to a possible hazard due

to electrical current.

WARNING

This symbol draws attention to a possible hazard due

to heat or hot instrument parts.

1.3 Symbols and conventions ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭

2￭￭￭￭￭￭￭￭

WARNING

This symbol draws attention to a possible biological

hazard.

CAUTION

This symbol draws attention to possible damage to

instruments or instrument parts.

NOTE

This symbol highlights additional information and

tips.

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