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Summary of Contents for Metrohm 663 VA Stand
- Page 1 Manual 8.663.1003EN / 2019-12-03...
- Page 3 Metrohm AG CH-9100 Herisau Switzerland Phone +41 71 353 85 85 Fax +41 71 353 89 01 info@metrohm.com www.metrohm.com Manual 8.663.1003EN / 2019-12-03...
- Page 4 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.
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Page 5: Table Of Contents
Reference electrode (RE) ............ 16 Auxiliary electrode (AE) ............17 Connecting the electrodes ..........19 Connecting the inert gas inlet ........... 20 Connecting the instruments ..........21 Connecting the instrument to the power grid ....22 4 Start-up ￭￭￭￭￭￭￭￭ 663 VA Stand... - Page 6 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Table of contents 5 Technical specifications Ambient conditions ............24 Energy supply ..............24 Dimensions ................24 Housing ................24 Specifications stirrer / rotating disk electrode ....25 6 Accessories Index ￭￭￭￭￭￭￭￭ 663 VA Stand...
- Page 7 Preparing the reference electrode 2 ..........17 Figure 10 GC auxiliary electrode ..............18 Figure 11 Reference electrode - Cable connector ..........19 Figure 12 Gas washing bottle ................. 20 Figure 13 Cable connections ................21 ￭￭￭￭￭￭￭￭ 663 VA Stand...
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Page 9: Introduction
￭ scTRACE Gold ￭ The scope of delivery of the 663 VA Stand comprises all electrodes that are required for a complete measurement system, that is the Multi-Mode Electrode pro (MME), Ag/AgCl reference electrode and glassy carbon auxil- iary electrode. -
Page 10: Symbols And Conventions
WARNING This symbol draws attention to a possible biological hazard. CAUTION This symbol draws attention to possible damage to instruments or instrument parts. NOTE This symbol highlights additional information and tips. ￭￭￭￭￭￭￭￭ 663 VA Stand... -
Page 11: Safety Instructions
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. -
Page 12: Personnel Safety
Hazardous substances may result in injuries. Wear protective glasses and work clothes suitable for laboratory work. WARNING Uncontrolled splashing of reagents Splashing reagents may result in injuries. Operate the 663 VA Stand only with the measuring head arm folded down. 1.3.4 Metallic liquid mercury WARNING Mercury is a heavy liquid metal. -
Page 13: Tubing And Capillary Connections
The MME pro (Multi-Mode Electrode pro) contains toxic mercury; never dispose of it in domestic waste. For more information on the recycling and disposing of mercury, observe the Mercury Handling Guidelines (8.000.5054XX). ￭￭￭￭￭￭￭￭ 663 VA Stand... -
Page 14: Overview Of The Instrument
2 Overview of the instrument Front Figure 1 Front Covering FEP tubing Can be opened. Inert gas inlet to the MME - Multi-Mode Electrode pro. Top of measuring vessel Holder for measuring vessel Drip pan (6.2711.030) Gas washing bottle ￭￭￭￭￭￭￭￭ 663 VA Stand... -
Page 15: Rear
For inert gas outlet. For inert gas inlet. Type plate Connection socket For stirrer control cable. Grounding socket Connection socket For instrument control cable. Valve control Connectors For a maximum of four burets. Sealed with stoppers. ￭￭￭￭￭￭￭￭ 663 VA Stand... -
Page 16: Controls
For setting the drop size. For static mercury drop electrode (SMDE) and hanging mercury drop electrode (HMDE). Control dial Switch For selecting the electrode type. For knocking off the mercury drop of a hanging mercury drop electrode (HMDE). Switch To deaerate. ￭￭￭￭￭￭￭￭ 663 VA Stand... -
Page 17: Top Of Measuring Vessel
Top of measuring vessel Pipetting opening Opening Seal with stopper (6.2709.030). For reference electrode (6.0728.020 with 6.1245.010). Opening Opening For stirrer (6.1204.200). For auxiliary electrode (6.1241.020 with 6.1247.000). Opening For MME - Multi-Mode Electrode pro (6.1246.120). ￭￭￭￭￭￭￭￭ 663 VA Stand... -
Page 18: Structure Of The Mme Pro
For the needle holder (5- For the retaining screw (5- Silicone seal (6.1247.150) Retaining screw (6.1247.120) For the capillary. Screw cap (6.1247.110) Connector For the mercury filler opening. For inert gas inlet to control the needle valve. ￭￭￭￭￭￭￭￭ 663 VA Stand... - Page 19 For WE cable. For connecting the working electrode cable to the quick connector (5- The adapter is only needed to connect the working electrode cable with terminal to the MME pro. 15 Glass capillary 6.1226.030 or 6.1226.050 ￭￭￭￭￭￭￭￭ 663 VA Stand...
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Page 20: Installation
The instrument should be protected against excessive temperature fluctua- tions and direct sunlight. Inserting the stirrer Installing the stirrer Accessories Stirrer (6.1204.200) ￭ Drive belt (6.1241.020) ￭ ￭￭￭￭￭￭￭￭ 663 VA Stand... -
Page 21: Inserting The Multi-Mode Electrode Pro
Prepare the working electrode in accordance with the instructions in the Multi-Mode Electrode pro document (8.110.8018XX). In prepa- ration, carry out the following tasks: Mount the capillary ￭ Insert the needle ￭ Top up the mercury ￭ ￭￭￭￭￭￭￭￭ 663 VA Stand... - Page 22 Place an empty measuring vessel in the holder (1-4). ￭ Lower the measuring head arm. ￭ Carefully place the Multi-Mode Electrode pro in the center open- ￭ ing (4-5) of the measuring head insert and insert it as far as it will ￭￭￭￭￭￭￭￭ 663 VA Stand...
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Page 23: Figure 7 Connecting The Inert Gas Inlet
Adjust the needle valve in accordance with the instructions in the Multi-Mode Electrode pro document (8.110.8018XX) and in the Electrodes in VA multimedia guide (A.717.0002). 5 Testing the electrode function Test the electrode function in accordance with the instructions in the Multi-Mode Electrode pro document (8.110.8018XX). ￭￭￭￭￭￭￭￭ 663 VA Stand... -
Page 24: Reference Electrode (Re)
2 Fill the electrolyte vessel with bridge electrolyte (e.g. c(KCl) = 3 mol/L) in accordance with the information in the electrode leaflet. 3 Allow the bridge electrolyte to react in the electrolyte vessel until the diaphragm is soaked with bridge electrolyte. ￭￭￭￭￭￭￭￭ 663 VA Stand... -
Page 25: Auxiliary Electrode (Ae)
The provided GC auxiliary electrode has to be put together first. The optionally available Pt auxiliary electrode (6.0343.000) can directly be inserted into the measuring head. Assembling the GC auxiliary electrode Accessories Electrode holder (6.1241.020) ￭ Glassy carbon rod (6.1247.000) ￭ ￭￭￭￭￭￭￭￭ 663 VA Stand... -
Page 26: Figure 10 Gc Auxiliary Electrode
Insert the glassy carbon rod (10-4) through the mounting ring (10-3) into the electrode holder (10-2) as far as it will go. Inserting the auxiliary electrode 1 Insert the auxiliary electrode into the opening (4-4) of the measuring head insert. ￭￭￭￭￭￭￭￭ 663 VA Stand... -
Page 27: Connecting The Electrodes
(AE) ￭ Metrohm Autolab provides an adapter cable to connect the electrode cable to the MME. The adapter cable has sockets for the banana plugs on one end and on the other end, it has terminals to connect to the MME. -
Page 28: Connecting The Inert Gas Inlet
(such as for determining the smallest concentrations without preceding deposition). 5.0 (w(N ) = 99.999%) ￭ 1 Filling the gas washing glass Figure 12 Gas washing bottle Gas washing bottle Unscrew the gas washing glass (12-1) from the measuring head ￭ arm. ￭￭￭￭￭￭￭￭ 663 VA Stand... -
Page 29: Connecting The Instruments
2 Connecting the inert gas inlet Connect one end of the PVC tubing (6.1801.080) onto the nipple ￭ (2-2) of the 663 VA Stand. Connect the other end of the PVC tubing (6.1801.080) onto the ￭ inert gas bottle connector. -
Page 30: Connecting The Instrument To The Power Grid
Unplug the power plug immediately if you suspect that moisture has ￭ gotten inside the instrument. Only personnel who have been issued Metrohm qualifications may ￭ perform service and repair work on electrical and electronic parts. Connecting the power cord... -
Page 31: Start-Up
Preparing the system for start-up WARNING Uncontrolled splashing of reagents Splashing reagents may result in injuries. Operate the 663 VA Stand only with the measuring head arm folded down. WARNING Careless folding of the measuring head arm If the measuring head arm is folded down without due care, this may result in injuries to the hands. -
Page 32: Technical Specifications
Dimensions Measurements Width 290 mm Height with covering closed 295 mm with covering opened 570 mm Depth 420 mm Weight 9.4 kg Housing Materials Covering Steel, coated Back panel Steel Base Steel, coated Housing Steel, coated ￭￭￭￭￭￭￭￭ 663 VA Stand... -
Page 33: Specifications Stirrer / Rotating Disk Electrode
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 5 Technical specifications Specifications stirrer / rotating disk electrode Rotational speed 0, 500, 1000, 1500, 2000, 2500, 3000 min settings ￭￭￭￭￭￭￭￭ 663 VA Stand... -
Page 34: Accessories
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. ￭￭￭￭￭￭￭￭ 663 VA Stand... - Page 35 Power connection ....22 Working electrode Electrostatic charge ....3 Insert ........14 Prepare ....... 13 Reference electrode Instrument Prepare ....... 16 Start up ......23 Safety instructions ...... 3 MME pro Service ........3 Structure ......10 ￭￭￭￭￭￭￭￭ 663 VA Stand...
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