Metrohm 802 Stirrer User manual

802 Stirrer
Manual
8.802.8001EN / 2020-03-30

Metrohm AG
CH-9100 Herisau
Switzerland
Phone [phone]
Fax [phone]
[email protected]
www.metrohm.com
802 Stirrer
Manual
8.802.8001EN / 2020-03-30

Technical Communication
Metrohm AG
CH-9100 Herisau
[email protected]
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.

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Table of contents
￭￭￭￭￭￭￭￭ III
Table of contents
1 Introduction 1
1.1 Instrument description ......................................................... 1
1.2 About the documentation ................................................... 1
1.2.1 Symbols and conventions ........................................................ 1
1.3 Safety instructions ................................................................ 2
1.3.1 General notes on safety ........................................................... 2
1.3.2 Electrical safety ........................................................................ 2
1.3.3 Working with liquids ................................................................ 3
1.3.4 Flammable solvents and chemicals ........................................... 3
1.3.5 Recycling and disposal ............................................................. 4
2 Device overview 5
2.1 802 Stirrer ............................................................................. 5
2.2 802 Stirrer with its own control .......................................... 6
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 Mounting the 802 Stirrer to the titration stand ................ 8
3.3 Connecting the 802 Stirrer to the titration stand .............. 9
3.4 Connecting the 802 Stirrer to the sample changer ......... 10
4 Technical specifications 12
4.1 Ambient conditions ............................................................ 12
4.2 Energy supply ...................................................................... 12
4.3 Dimensions .......................................................................... 12
4.4 Housing ............................................................................... 12
4.5 Connectors specifications .................................................. 13
4.6 Stirrer specifications ........................................................... 13
5 Accessories 14

Table of figures ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
IV ￭￭￭￭￭￭￭￭
Table of figures
Figure 1 802 Stirrer ......................................................................................... 5
Figure 2 802 Stirrer with its own control ......................................................... 6

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 1 Introduction
￭￭￭￭￭￭￭￭ 1
1 Introduction
1.1 Instrument description
The propeller rod stirrer 802 Stirrer is controlled by a Touch Control or a
computer software.
It however has its own control. The stirring rate is set by a controller.
The 802 Stirrer can be connected to a titration stand, a tower of a sample
changer or directly to a sample changer.
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 opera-
tion of the instrument.
1.2.1 Symbols and conventions
The following symbols and styles are used 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.
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.

1.3 Safety instructions ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
2￭￭￭￭￭￭￭￭
Warning
This symbol draws attention to a possible biological
hazard.
Caution
This symbol draws attention to a possible damage of
instruments or instrument parts.
Note
This symbol marks additional information and tips.
1.3 Safety instructions
1.3.1 General notes on safety
WARNING
Operate this instrument only according to the information contained in
this documentation.
This instrument left the factory in a flawless state in terms of technical
safety. To maintain this state and ensure non-hazardous operation of the
instrument, the following instructions must be observed carefully.
1.3.2 Electrical safety
The electrical safety when working with the instrument is ensured as part
of the international standard IEC 61010.
WARNING
Only personnel qualified by Metrohm are authorized to carry out service
work on electronic components.
WARNING
Never open the housing of the instrument. The instrument could be
damaged by this. There is also a risk of serious injury if live components
are touched.
There are no parts inside the housing which can be serviced or replaced
by the user.

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 1 Introduction
￭￭￭￭￭￭￭￭ 3
Supply voltage
WARNING
An incorrect supply voltage can damage the instrument.
Only operate this instrument with a supply voltage specified for it (see
rear panel of the instrument).
Protection against electrostatic charges
WARNING
Electronic components are sensitive to electrostatic charges and can be
destroyed by discharges.
Do not fail to pull the power cord out of the power socket before you
set up or disconnect electrical plug connections at the rear of the
instrument.
1.3.3 Working with liquids
CAUTION
Periodically check all system connections for leaks. Observe the relevant
regulations in respect to working with flammable and/or toxic fluids
and their disposal.
1.3.4 Flammable solvents and chemicals
WARNING
All relevant safety measures are to be observed when working with
flammable solvents and chemicals.
￭Set up the instrument in a well-ventilated location (e.g. fume cup-
board).
￭Keep all sources of flame far from the workplace.
￭Clean up spilled liquids and solids immediately.
￭Follow the safety instructions of the chemical manufacturer.

1.3 Safety instructions ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
4￭￭￭￭￭￭￭￭
1.3.5 Recycling and disposal
This product is covered by European Directive 2012/19/EU, WEEE – Waste
Electrical and Electronic Equipment.
The correct disposal of your old instrument will help to prevent negative
effects on the environment and public health.
More details about the disposal of your old instrument can be obtained
from your local authorities, from waste disposal companies or from your
local dealer.

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 2 Device overview
￭￭￭￭￭￭￭￭ 5
2 Device overview
2.1 802 Stirrer
1
2
Figure 1 802 Stirrer
1Connector plug
For connecting the propeller stirrer to the
stirrer connector of a device or to a control-
ler.
2Metal rod
For fastening a stirring propeller.

2.2 802 Stirrer with its own control ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
6￭￭￭￭￭￭￭￭
2.2 802 Stirrer with its own control
1
2
3
4
5
6
7
8
9
10
Figure 2 802 Stirrer with its own control
1Drive of the propeller stirrer 2Electrode holder (6.2021.020)
3Stirring propeller (6.1909.0104) 4Support rod (6.2016.070)
Length 40 cm
5Switching contacts
The stirrer is switched on by a suitably
attached electrode holder.
6Controller (6.2137.000)
For controlling the stirring rate

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 2 Device overview
￭￭￭￭￭￭￭￭ 7
7Rotary wheel
For setting the stirring rate. If the end of the
scale is reached, turn to the other end in
order to readjust the scale.
8Clamping screw
For fixing the positioning height of the
6.2137.000 rotary controller on the support
rod.
9Connector plug
For connecting the propeller stirrer.
10 Connector plug
For connecting a power supply:
EU 230V / 9V DC
USA 110V / 9V DC

3.1 Setting up the instrument ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
8￭￭￭￭￭￭￭￭
3 Installation
3.1 Setting up the instrument
3.1.1 Packaging
The instrument is supplied in protective packaging together with the sepa-
rately packed accessories. Keep this packaging, as only this ensures safe
transportation of the instrument.
3.1.2 Checks
Immediately after receipt, check whether the shipment has arrived com-
plete and without damage by comparing it with the delivery note.
3.1.3 Location
The instrument has been developed for operation indoors and may not be
used in explosive environments.
Place the instrument in a location of the laboratory which is suitable for
operation and free of vibrations and which provides protection against
corrosive atmosphere and contamination by chemicals.
The instrument should be protected against excessive temperature fluctua-
tions and direct sunlight.
3.2 Mounting the 802 Stirrer to the titration stand
1
2

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 3 Installation
￭￭￭￭￭￭￭￭ 9
Mounting the propeller stirrer as follows:
1Insert the propeller stirrer 802 Stirrer without the stirring propeller
from above into the center opening of the electrode holder.
2Plug the stirring propeller from below to the propeller stirrer.
3.3 Connecting the 802 Stirrer to the titration stand
Connect the propeller stirrer as follows:
1Connect the cable of the 802 Stirrer to the corresponding stirrer con-
nector (with stirrer symbol) of the titration stand.

3.4 Connecting the 802 Stirrer to the sample changer ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
10 ￭￭￭￭￭￭￭￭
3.4 Connecting the 802 Stirrer to the sample changer
Connecting the propeller stirrer directly to the sample
changer
Ind. Ref. Temp.
Remote MSB USB
Pol.
Made by Metrohm Switzerland
a)
b)
Connect the propeller stirrer as follows:
1Connect the cable of the 802 Stirrer to the stirrer connector (with
stirrer symbol) on the rear of the tower (a) or directly to the sample
changer (b).

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 3 Installation
￭￭￭￭￭￭￭￭ 11
Connecting the propeller stirrer with the titration stand to
the sample changer
MSB
3.804.300X
USB 1 Contr. MSB 2 MSB 3
Connect the propeller stirrer with the titration stand as follows:
1Exit the control software.
2Connect the connection cable of the titration stand to one of the
sockets marked with MSB on the rear of the control device.
3Connect the propeller stirrer to the stirrer socket (with stirrer symbol)
of the titration stand.
4Start the control software.

4.1 Ambient conditions ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
12 ￭￭￭￭￭￭￭￭
4 Technical specifications
4.1 Ambient conditions
Nominal function
range
+5 - +45 °C
at max. 80% relative humidity
non-condensing
Storage +5 - +45 °C
4.2 Energy supply
Nominal voltage ±12 VDC
+5 VDC
Power consump-
tion
4 W
Protection Electronic overload protection
4.3 Dimensions
Diameter max. 27 mm
Height 250 mm
without propeller
Weight 300 g
4.4 Housing
Material Polypropylene (PP)
IP degree of pro-
tection
IP 20

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 4 Technical specifications
￭￭￭￭￭￭￭￭ 13
4.5 Connectors specifications
Energy supply 5-pin DIN plug
4.6 Stirrer specifications
Maximum rota-
tional speed
2,250 rpm
Rotational speed
settings
-15 - +15
Change in rota-
tional speed per
step
140 - 150 rpm

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
14 ￭￭￭￭￭￭￭￭
5 Accessories
Up-to-date information on the scope of delivery and optional accessories
for your product can be found on the Internet. You can download this
information using the article number as follows:
Downloading the accessories list
1Enter https://www.metrohm.com/ into your Internet browser.
2Enter the article number (e.g. 802) into the search field.
The search result is displayed.
3Click on the product.
Detailed information regarding the product is shown on various tabs.
4On the Included parts tab, click on Download the PDF.
The PDF file with the accessories data is created.
NOTICE
Once you have received your new product, we recommend download-
ing the accessories list from the Internet, printing it out and keeping it
together with the manual for reference purposes.