Metrohm 728 User Manual

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Manual

8.728.8001EN

Metrohm AG
CH-9100 Herisau
Switzerland
Phone [phone]
Fax [phone]
[e-mail]
www.metrohm.com

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8.728.8001EN

Manual

03.2013 fpe

Teachware
Metrohm AG
CH-9100 Herisau
[e-mail]

This documentation is protected by copyright. All rights reserved.

Although all the information given in this documentation has been
checked with great care, errors cannot be entirely excluded. Should you
notice any mistakes please send us your comments using the address
given above.

Documentation in additional languages can be found on

http://documents.metrohm.com.

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Table of contents

1 Introduction 1

1.1 Instrument description ......................................................... 1

1.1.1 Model versions ........................................................................ 1

1.1.2 Connectors .............................................................................. 1

1.1.3 Intended use ........................................................................... 1

1.2 About the documentation ................................................... 2

1.2.1 Symbols and conventions ........................................................ 2

1.3 Safety instructions ................................................................ 3

1.3.1 General notes on safety ........................................................... 3

1.3.2 Electrical safety ........................................................................ 3

1.3.3 Tubing and capillary connections ............................................. 4

1.3.4 Flammable solvents and chemicals ........................................... 4

1.3.5 Recycling and disposal ............................................................. 4

2 Overview of the instrument 6

Table of contents

3 Installation 8

3.1 Setting up the instrument .................................................... 8

3.1.1 Packaging ................................................................................ 8

3.1.2 Checks .................................................................................... 8

3.1.3 Location .................................................................................. 8

3.2 Installing the magnetic stirrer ............................................. 8

3.3 Connecting the magnetic stirrer .......................................... 8

4 Operation and maintenance 9

4.1 General notes ........................................................................ 9

4.1.1 Care ........................................................................................ 9

4.1.2 Maintenance by Metrohm Service ............................................ 9

4.2 Quality Management and qualification with Metrohm .. 10

5 Technical specifications 11

5.1 Magnetic stirrer .................................................................. 11

5.2 Power supply ...................................................................... 11

5.3 Interfaces and connectors ................................................. 11

5.4 Safety specifications ........................................................... 11

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5.5 Electromagnetic compatibility (EMC) ................................ 12

5.6 Ambient temperature ......................................................... 12

5.7 Reference conditions .......................................................... 12

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III

Table of contents

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5.8 Dimensions/material ........................................................... 13

6 Warranty (guarantee) 14

7 Accessories 16

7.1 Scope of delivery per model version ................................. 16

7.1.1 728 Magnetic Stirrer .............................................................. 16

7.1.2 728 Magnetic Stirrer with 115 V US power supply unit .......... 17

7.1.3 728 Magnetic Stirrer with 230 V EURO power supply unit ..... 18

7.1.4 728 Magnetic Stirrer with 115 V US power supply unit and

stand ..................................................................................... 18

7.1.5 728 Magnetic Stirrer with 230 V EURO power supply unit

and stand .............................................................................. 20

7.1.6 728 Magnetic Stirrer complete for Titrino/Dosimat ................. 21

7.2 Optional accessories ........................................................... 22

7.2.1 728 Magnetic Stirrer .............................................................. 22

Index 24

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IV

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Table of figures

Figure 1 Front ................................................................................................. 6

Figure 2 Rear with stand ................................................................................. 7

Table of figures

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V

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1 Introduction

1.1 Instrument description

The 728 Magnetic Stirrer with base plate, support rod and electrode
holder supplements Titrino and Dosino units.

1.1.1 Model versions

The 728 Magnetic Stirrer is available in the following six versions:

1 Introduction

Each version includes different accessories according to its use (see Chap­ter 7, page 16).

1.1.2 Connectors

The 728 Magnetic Stirrer needs 5 to 12 V DC voltage.

The 728 Magnetic Stirrer is supplied with power via a direct connection to
a Titrino, Dosino or via a power supply unit.

2.728.0010

2.728.0021 728 Magnetic Stirrer With 115 V US power

2.728.0024 728 Magnetic Stirrer With 230 V EURO power

2.728.0031 728 Magnetic Stirrer With 115 V US power

2.728.0034 728 Magnetic Stirrer With 230 V EURO power

2.728.0040 728 Magnetic Stirrer Complete for Titrino/Dos-

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supply unit

supply unit

supply unit and stand

supply unit and stand

ino

1.1.3 Intended use

The 728 Magnetic Stirrer is designed for usage in analytical laboratories.

This instrument is suitable for stirring chemicals and flammable samples.
Usage of the 728 Magnetic Stirrer therefore requires the user to have
basic knowledge and experience in handling toxic and caustic substances.
Knowledge with respect to the application of the fire prevention measures
prescribed for laboratories is also mandatory.

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1

1.2 About the documentation

1.2 About the documentation

CAUTION

Please read through this documentation carefully before putting the
instrument into operation. The documentation contains information
and warnings which the user must follow in order to ensure safe opera­tion of the instrument.

1.2.1 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 sec­ond to the instrument part in the figure.

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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 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.

Warning

This symbol draws attention to a possible biological
hazard.

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2

Caution

This symbol draws attention to a possible damage of
instruments or instrument parts.

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