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Technical Communication Metrohm AG CH-9100 Herisau techcom@metrohm.com 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.
Connecting the magnetic stirrer .......... 8 4 Operation and maintenance General notes ................ 9 4.1.1 Care ..................9 4.1.2 Maintenance by Metrohm Service ..........9 5 Technical specifications Magnetic stirrer ..............10 Power supply ..............10 Interfaces and connectors ..........10 Ambient temperature ............10 Reference conditions ............
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■■■■■■■■■■■■■■■■■■■■■■ Table of figures Table of figures Figure 1 Front ....................6 Figure 2 Rear with stand ................. 7 ■■■■■■■■ 728 Magnetic Stirrer...
6, page 12). 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. 1.1.3 Intended use The 728 Magnetic Stirrer is designed for usage in analytical laboratories.
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. CAUTION This symbol draws attention to possible damage to instruments or instrument parts. ■■■■■■■■ 728 Magnetic Stirrer...
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.
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. ■■■■■■■■ 728 Magnetic Stirrer...
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■■■■■■■■■■■■■■■■■■■■■■ 1 Introduction 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. ■■■■■■■■ 728 Magnetic Stirrer...
■■■■■■■■■■■■■■■■■■■■■■ 2 Overview of the instrument Figure 1 Front Sample space On/off signal light On/off switch Shift rate controller ■■■■■■■■ 728 Magnetic Stirrer...
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■■■■■■■■■■■■■■■■■■■■■■ 2 Overview of the instrument Figure 2 Rear with stand Connector plug Stand clamping screw Stand Cable cut-out ■■■■■■■■ 728 Magnetic Stirrer...
The instrument should be protected against excessive temperature fluctua- tions and direct sunlight. Installing the magnetic stirrer The 728 Magnetic Stirrer is fastened to a support rod with a diameter of 10 mm. Connecting the magnetic stirrer Power supply The 728 Magnetic Stirrer needs 5 to 12 V DC voltage.
4.1.2 Maintenance by Metrohm Service Maintenance of the 728 Magnetic Stirrer is best carried out as part of annual service, which is performed by specialist personnel from Metrohm. If working frequently with caustic and corrosive chemicals, a shorter main- tenance interval could be necessary.
5 - 12 V DC ≤ 2.5 VA Power consump- tion Interfaces and connectors The 728 Magnetic Stirrer does not have any control interfaces. It is oper- ated and controlled via the power supply. Ambient temperature Nominal function +5 - +45 °C...
■■■■■■■■■■■■■■■■■■■■■■ 5 Technical specifications Dimensions/material Width 90 mm Height 76 mm Depth 150 mm Weight 660 g (without accessories) Material Housing, upper part Housing, bot- Steel sheet, stove-enameled tom part ■■■■■■■■ 728 Magnetic Stirrer...
Downloading the accessories list 1 Enter https://www.metrohm.com/ into your Internet browser. 2 Enter the article number (e.g. 728) into the search field. The search result is displayed. 3 Click on the product. Detailed information regarding the product is shown on various tabs.
Magnetic stirrer Dimensions ......11 Direction of rotation ... 10 Rotational speed ....10 Safety instructions ...... 3 Material ........11 Service ........3 Electrostatic charge ....4 Model versions ......1 Supply voltage ......3 ■■■■■■■■ 728 Magnetic Stirrer...
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