Metrohm 900 Bedienungsanleitung
900 Touch Control
Manual – Short Instructions
8.900.8011EN
Metrohm AG
CH-9100 Herisau
Switzerland
Phone +41 71 353 85 85
Fax +41 71 353 89 01
www.metrohm.com
900 Touch Control
Manual – Short Instructions
8.900.8011EN 04.2017
Technical Communication
Metrohm AG
CH-9100 Herisau
This documentation is protected by copyright. All rights reserved.
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.
Documentation in additional languages can be found on
http://documents.metrohm.com.
Melody for the BEEP command: excerpt from "En Altfrentsche", with kind
permission of the Laseyer Quartett, Appenzell.
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Table of contents
￭￭￭￭￭￭￭￭ III
Table of contents
1 About these short instructions 1
2 Introduction 2
2.1 Instrument description ......................................................... 2
2.2 Titration and measuring modes .......................................... 2
2.3 About the documentation ................................................... 4
2.3.1 Symbols and conventions ........................................................ 4
3 Safety instructions 6
3.1 General notes on safety ....................................................... 6
3.2 Electrical safety ..................................................................... 6
3.3 Tubing and capillary connections ....................................... 7
3.4 Flammable solvents and chemicals ..................................... 7
3.5 Recycling and disposal ......................................................... 8
4 Overview of the instrument 9
5 Installation 11
5.1 Setting up the instrument .................................................. 11
5.1.1 Packaging .............................................................................. 11
5.1.2 Checks .................................................................................. 11
5.1.3 Location ................................................................................ 11
6 Operation 12
6.1 Switching the instrument on and off ............................... 12
6.2 Fundamentals of operation ............................................... 14
6.2.1 Touch-sensitive screen ........................................................... 14
6.2.2 Display elements and controls ................................................ 15
6.2.3 Status display ........................................................................ 16
6.2.4 Entering text and numbers ..................................................... 17
7 Maintenance 19
Index 20
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 1 About these short instructions
￭￭￭￭￭￭￭￭ 1
1 About these short instructions
The present short instructions contain important chapters from the more
detailed manual. In addition to an introduction, safety instructions and an
overview of the instruments, you will also find information about the
installation and operation of the 900 Touch Control in addition to docu-
ments regarding conformity and warranty. You will find the more detailed
manual as a PDF file on the external storage medium included in the
scope of delivery.
2.1 Instrument description ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
2￭￭￭￭￭￭￭￭
2 Introduction
2.1 Instrument description
The 900 Touch Control is an operating unit with a touch-sensitive screen.
You can operate the following control instruments with the 900 Touch
Control:
￭Titrandos
￭Sample Processors
￭846 Dosing Interface
￭867 pH Module
￭856 Conductivity Module
With the 900 Touch Control, you can conveniently manage all of your
titrants, sensors, methods, etc. For example, you can connect a USB flash
drive to the USB connector as an external storage medium. You can use
this additional memory not only to store your methods and determina-
tions, but also to create a backup together with all of the data and set-
tings of your system. Thanks to the integrated Ethernet connector, the
device can be connected to your network, thus offering you the following
options, among others:
￭Saving data to a PC within the network
￭Printing reports on a network printer
￭Sending displayed messages as e-mails
2.2 Titration and measuring modes
The 900 Touch Control supports the following titration and measuring
modes. Whether a particular mode is available or not depends on the type
of the control instrument connected.
￭DET
Dynamic equivalence point titration. The reagent is added in variable
volume steps.
Measuring modes:
–pH (pH measurement)
–U (potentiometric voltage measurement)
–Ipol (voltametric measurement with selectable polarization cur-
rent)
–Upol (amperometric measurement with selectable polarization
voltage)
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 2 Introduction
￭￭￭￭￭￭￭￭ 3
￭MET
Monotonic equivalence point titration. The reagent is added in con-
stant volume steps.
Measuring modes:
–pH (pH measurement)
–U (potentiometric voltage measurement)
–Ipol (voltametric measurement with selectable polarization cur-
rent)
–Upol (amperometric measurement with selectable polarization
voltage)
￭SET
Endpoint titration at one or two specified endpoints.
Measuring modes:
–pH (pH measurement)
–U (potentiometric voltage measurement)
–Ipol (voltametric measurement with selectable polarization cur-
rent)
–Upol (amperometric measurement with selectable polarization
voltage)
￭STAT
Titration with constant maintenance of the measured value.
Measuring modes:
–pH (pH measurement)
–U (potentiometric voltage measurement)
￭MAT
Manual titration with manual dosing and manual ending.
Measuring modes (optional):
–pH (pH measurement)
–U (potentiometric voltage measurement)
￭KFT
Volumetric water content determination according to Karl Fischer.
Measuring modes:
–Ipol (voltametric measurement with selectable polarization cur-
rent)
–Upol (amperometric measurement with selectable polarization
voltage)
￭KFC
Coulometric water content determination according to Karl Fischer.
Measuring mode:
–Ipol (voltametric measurement with selectable polarization cur-
rent)
2.3 About the documentation ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
4￭￭￭￭￭￭￭￭
￭BRC
Coulometric bromine index determination. Determining the amount of
double bonds in e.g. mineral oils.
Measuring mode:
–Ipol (voltametric measurement with selectable polarization cur-
rent)
￭MEAS
Measuring modes:
–pH (pH measurement)
–U (potentiometric voltage measurement)
–Ipol (voltametric measurement with selectable polarization cur-
rent)
–Upol (amperometric measurement with selectable polarization
voltage)
–T (temperature measurement)
–Conc (concentration measurement with or without standard
addition)
–Cond (conductivity measurement)
￭CAL
Electrode calibration.
Measuring mode:
–pH (calibration of pH electrodes)
–Conc (calibration of ion-selective electrodes)
–Cond (calibration of conductivity measuring cells)
–ELT (Electrode test for pH electrodes)
2.3 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 opera-
tion of the instrument.
2.3.1 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 sec-
ond to the instrument part in the figure.
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