728 Magnetic Stirrer Manual 8.728.
Metrohm AG CH-9100 Herisau Switzerland Phone +41 71 353 85 85 Fax +41 71 353 89 01 info@metrohm.com www.metrohm.com 728 Magnetic Stirrer Manual 8.728.8001EN 03.
Teachware Metrohm AG CH-9100 Herisau teachware@metrohm.com 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.
■■■■■■■■■■■■■■■■■■■■■■ Table of contents 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 ..........................
■■■■■■■■■■■■■■■■■■■■■■ Table of contents 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.
■■■■■■■■■■■■■■■■■■■■■■ Table of figures Table of figures Figure 1 Figure 2 728 Magnetic Stirrer Front ................................................................................................. 6 Rear with stand .................................................................................
■■■■■■■■■■■■■■■■■■■■■■ 1 Introduction 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: 2.728.0010 728 Magnetic Stirrer 2.728.0021 728 Magnetic Stirrer With 115 V US power supply unit 2.728.0024 728 Magnetic Stirrer With 230 V EURO power supply unit 2.728.
■■■■■■■■■■■■■■■■■■■■■■ 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 Introduction Note This symbol marks additional information and tips. 1.3 Safety instructions 1.3.1 General notes on safety WARNING This instrument may only be operated in accordance with the specifications in this documentation. This instrument has 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.
■■■■■■■■■■■■■■■■■■■■■■ 1.3 Safety instructions Protection against electrostatic charges WARNING Electronic components are sensitive to electrostatic charges and can be destroyed by discharges. Do not fail to pull the mains cable out of the mains connection socket before you set up or disconnect electrical plug connections at the rear of the instrument. 1.3.3 Tubing and capillary connections CAUTION Leaks in tubing and capillary connections are a safety risk. Tighten all connections well by hand.
■■■■■■■■■■■■■■■■■■■■■■ 1 Introduction More details about the disposal of your old equipment can be obtained from your local authorities, from waste disposal companies or from your local dealer.
■■■■■■■■■■■■■■■■■■■■■■ 2 Overview of the instrument 1 2 3 4 Figure 1 Front 1 Sample space 2 On/off signal light 3 On/off switch 4 Shift rate controller 6 ■■■■■■■■ 728 Magnetic Stirrer
■■■■■■■■■■■■■■■■■■■■■■ 2 Overview of the instrument 1 Figure 2 2 3 4 Rear with stand 1 Connector plug 2 Stand clamping screw 3 Stand 4 Cable cut-out 728 Magnetic Stirrer ■■■■■■■■ 7
■■■■■■■■■■■■■■■■■■■■■■ 3.1 Setting up the instrument 3 Installation 3.1 Setting up the instrument 3.1.1 Packaging The instrument is supplied in highly protective special packaging together with the separately 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 complete and without damage by comparing it with the delivery note. 3.1.
■■■■■■■■■■■■■■■■■■■■■■ 4 Operation and maintenance 4 Operation and maintenance 4.1 General notes 4.1.1 Care The 728 Magnetic Stirrer requires appropriate care. Excess contamination of the instrument may result in functional disruptions and a reduction in the lifetime of the otherwise sturdy mechanics and electronics. Spilled chemicals and solvents should be removed immediately.
4.2 Quality Management and qualification with Metrohm 4.2 ■■■■■■■■■■■■■■■■■■■■■■ Quality Management and qualification with Metrohm Quality management Metrohm offers you comprehensive support in implementing quality management measures for instruments and software. Further information on this can be found in the brochure "Metrohm Quality Management" available from your local Metrohm representative.
■■■■■■■■■■■■■■■■■■■■■■ 5 Technical specifications 5 Technical specifications 5.1 Magnetic stirrer Direction of rotation Counterclockwise Rotational speed 200 - 1,900 rpm 5.2 Power supply Power supply 5 - 12 V DC Power consumption ≤ 2.5 VA 5.3 Interfaces and connectors The 728 Magnetic Stirrer does not have any control interfaces. It is operated and controlled via the power supply. 5.
5.5 Electromagnetic compatibility (EMC) 5.5 ■■■■■■■■■■■■■■■■■■■■■■ Electromagnetic compatibility (EMC) Emission Standards fulfilled ■ ■ ■ EN/IEC 61326-1 EN/IEC 61000-6-3 EN 55011 / CISPR 11 Immunity Standards fulfilled ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ 5.
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■■■■■■■■■■■■■■■■■■■■■■ 6 Warranty (guarantee) Metrohm guarantees that the deliveries and services it provides are free of defects in materials, design or manufacturing. The general warranty period is 36 months (exclusions below) from the date of delivery or 18 months in the event of continuous operation. The warranty remains valid on the condition that the servicing is provided by a service organization authorized by Metrohm at defined intervals and with a defined scope.
■■■■■■■■■■■■■■■■■■■■■■ 6 Warranty (guarantee) Deficiencies arising from circumstances that are not the responsibility of Metrohm, such as improper storage or improper use, etc., are expressly excluded from the warranty. Metrohm also offers a 120 month spare parts availability guarantee and a 60 month PC software support warranty, calculated from the date on which the product is withdrawn from the market.
■■■■■■■■■■■■■■■■■■■■■■ 7.1 Scope of delivery per model version 7 Accessories NOTE Subject to change without notice. 7.1 Scope of delivery per model version NOTE After receiving the instrument, check the shipment to ensure that it is complete. In doing so, check the version (order number) of your 728 Magnetic Stirrer. 728 Magnetic Stirrer 2.728.0010 Qty. 1 Order no. Description 1.728.0010 Magnetrührer For mounting on a stand rod 10 mm dia.
■■■■■■■■■■■■■■■■■■■■■■ Qty. 1 7 Accessories Order no. Description 6.2108.100 Connection cable for 622/649/703/728, 0.5 m For supplying power to 622, 649, 728 Stirrers and 703 Ti Stand from control instruments and corresponding Dosimats Length (m): 0.5 1 6.2108.110 Cable 622/649/703/728 / 1 m For supplying power to 622, 649, 728 Stirrers and 703 Ti Stand from control instruments and corresponding Dosimats Length (m): 1 1 7.1.2 8.728.
■■■■■■■■■■■■■■■■■■■■■■ 7.1 Scope of delivery per model version Qty. 1 7.1.3 Order no. Description 8.728.8001EN 728 Magnetic Stirrer Manual 728 Magnetic Stirrer with 230 V EURO power supply unit 2.728.0024 Qty. Order no. Description 1 1.728.0010 Magnetic Stirrer 1 6.1903.030 Stirring bar / 25 mm Stirring bar with magnetic core, PTFE covering, length 25 mm. Material: Outer diameter (mm): Length (mm): 1 6.2117.020 PTFE 5 25 Power adapter EU 230 V / 9 V DC With EU mains plug. Input: 220..
■■■■■■■■■■■■■■■■■■■■■■ Qty. 1 7 Accessories Order no. Description 6.1903.030 Stirring bar / 25 mm Stirring bar with magnetic core, PTFE covering, length 25 mm. Material: PTFE Outer diameter (mm): 5 Length (mm): 25 1 6.2013.010 Clamping ring For support rods with a diameter of 10 mm. Material: Metal Width (mm): 20 Height (mm): 16 1 6.2026.010 Support stand with support rod Complete, with stand rod, total length 42 cm.
7.1 Scope of delivery per model version 7.1.5 ■■■■■■■■■■■■■■■■■■■■■■ 728 Magnetic Stirrer with 230 V EURO power supply unit and stand 2.728.0034 Qty. Order no. Description 1 1.728.0010 Magnetic Stirrer 1 6.1903.030 Stirring bar / 25 mm Stirring bar with magnetic core, PTFE covering, length 25 mm. Material: PTFE Outer diameter (mm): 5 Length (mm): 25 1 6.2013.010 Clamping ring For support rods with a diameter of 10 mm. Material: Metal Width (mm): 20 Height (mm): 16 1 6.2026.
■■■■■■■■■■■■■■■■■■■■■■ 7.1.6 7 Accessories 728 Magnetic Stirrer complete for Titrino/Dosimat 2.728.0040 Qty. Order no. Description 1 1.728.0010 Magnetic Stirrer 1 6.1903.020 Stirring bar / 16 mm Stirring Bar with magnetic core, PTFE coated, length 16 mm Material: PTFE Outer diameter (mm): 4 Length (mm): 16 1 6.1903.030 Stirring bar / 25 mm Stirring bar with magnetic core, PTFE covering, length 25 mm. Material: PTFE Outer diameter (mm): 5 Length (mm): 25 1 6.2001.
■■■■■■■■■■■■■■■■■■■■■■ 7.2 Optional accessories Qty. 1 Order no. Description 6.2013.010 Clamping ring For support rods with a diameter of 10 mm. Material: Metal Width (mm): 20 Height (mm): 16 1 6.2021.020 Electrode holder Electrode holder for 4 electrodes and 2 buret tips Material: Plastic 1 6.2723.130 Cover for 655/665/765 Dust cover for 655, 665, 765 Dosimats 1 8.728.8001EN 7.2 728 Magnetic Stirrer Manual Optional accessories 728 Magnetic Stirrer 2.728.0010 Order no. Description 6.
■■■■■■■■■■■■■■■■■■■■■■ Order no. Description 6.2138.020 Cable 692 - 765 - 776 - 722/727/728 7 Accessories Connecting 692 pH/Ion Meter to 622, 649, 722 Stirrers or 727 Ti Stand and 665, 765 Dosimats and 725, 776 Dosimats (for auxiliary solutions) Length (m): 1.0 8.000.
■■■■■■■■■■■■■■■■■■■■■■ Index Index C Connect Magnetic stirrer .................... 8 D Dimensions .............................. 13 E Electrostatic charge .................... 4 G GLP .......................................... 10 Guarantee ................................ 14 I Instrument description ................ 1 24 ■■■■■■■■ M Magnetic stirrer Direction of rotation ........... 11 Rotational speed ................. 11 Mains voltage ............................. 3 Maintenance Agreement ..........