Metrohm 942 Extension Module Vario Prep 2 Manual
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Metrohm 942 Extension Module Vario Prep 2 Manual

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942 Extension Module Vario
942 Extension Module Vario Prep 2
Manual
8.942.8001EN / 2017-08-31

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Summary of Contents for Metrohm 942 Extension Module Vario Prep 2

  • Page 1 942 Extension Module Vario 942 Extension Module Vario Prep 2 Manual 8.942.8001EN / 2017-08-31...
  • 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 942 Extension Module Vario 942 Extension Module Vario Prep 2 2.942.0020 Manual 8.942.8001EN / 2017-08-31...
  • 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.

  • Page 5: Table Of Contents

    Installing the 6-port valve ..........21 Connecting an Extension Module ........22 4 Start-up 5 Operation and maintenance Servicing the door .............. 24 Peristaltic pump ..............24 5.2.1 Notes on operating the peristaltic pump ........ 24 ￭￭￭￭￭￭￭￭ 942 Extension Module Vario Prep 2 (2.942.0020)
  • Page 6 Problems and their solutions ..........28 8 Technical specifications Reference conditions ............29 Ambient conditions ............29 Housing ................29 Weight ................. 30 Peristaltic pump ..............30 6-port valve ................. 30 Interfaces ................30 9 Accessories Index ￭￭￭￭￭￭￭￭ 942 Extension Module Vario Prep 2 (2.942.0020)
  • Page 7 Installation diagram – inline matrix elimination ........9 Figure 5 Peristaltic pump ................20 Figure 6 6-port valve – Positions ..............21 Figure 7 Pump tubing connection – Replacing the filter ......... 26 ￭￭￭￭￭￭￭￭ 942 Extension Module Vario Prep 2 (2.942.0020)

  • Page 9: Introduction

    940 Professional IC Vario instrument can be expanded with up to 3 942 Extension Module Vario instruments. The 942 Extension Module Vario Prep 2 can be used to expand a 940 Professional IC Vario by adding sample preparation options, such as matrix elimination with transfer method or standard addition with preconcentra- tion.

  • Page 10: Intended Use

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 1.2 Intended use Intended use The 942 Extension Module Vario Prep 2 expands an IC system by adding sample preparation options, such as inline dialysis. This instrument is suitable for processing chemicals and flammable sam- ples. Usage of the 942 Extension Module Vario Prep 2 therefore requires the user to have basic knowledge and experience in handling toxic and caustic substances.

  • Page 11: Safety Instructions

    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. ￭￭￭￭￭￭￭￭ 942 Extension Module Vario Prep 2 (2.942.0020)

  • Page 12: 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.

  • Page 13: Tubing And Capillary Connections

    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. ￭￭￭￭￭￭￭￭ 942 Extension Module Vario Prep 2 (2.942.0020)

  • Page 14: Overview Of The Instrument

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 2.1 Front 2 Overview of the instrument Front Figure 1 Front Peristaltic pump Switching valve Standby indicator ￭￭￭￭￭￭￭￭ 942 Extension Module Vario Prep 2 (2.942.0020)

  • Page 15: Rear

    Installed between the instrument and base tray (3-B). ￭ Stacked next to the instrument (3-C). In this case, we recommend ￭ ordering a separate base tray (6.2061.110) and a separate bottle holder (6.2061.100) for the stack. ￭￭￭￭￭￭￭￭ 942 Extension Module Vario Prep 2 (2.942.0020)

  • Page 16: Figure 3 Proposed Setup

    If this is not possible, extension modules that are farther apart have to be connected together using a longer connecting cable (6.2156.070). ￭￭￭￭￭￭￭￭ 942 Extension Module Vario Prep 2 (2.942.0020)

  • Page 17: Installation

    Installation diagram Depending on the application, the peristaltic pump and the 6-port valve of the 942 Extension Module Vario Prep 2 can be installed differently. Figure 4: Installation diagram – inline matrix elimination shows an example of how the peristaltic pump and the 6-port valve can be used for inline matrix elimination.

  • Page 18: Setting Up The Instrument

    940 Profes- sional IC Vario: One or more 942 Extension Module Vario. ￭ Or another instrument with the same-sized footprint. ￭ ￭￭￭￭￭￭￭￭ 942 Extension Module Vario Prep 2 (2.942.0020)

  • Page 19: Mounting Base Tray And Bottle Holder (Optional)

    The capillaries are removed from the guide ducts between the instru- ￭ ment and the base tray. There are no loose parts in the instrument. ￭ To remove the base tray, you need a 3 mm hex key (6.2621.100). ￭￭￭￭￭￭￭￭ 942 Extension Module Vario Prep 2 (2.942.0020)
  • Page 20 There are no loose parts in the instrument. ￭ The instrument is lying on its side, and the bottom surface is visible. ￭ To mount the base tray, you need a 3 mm hex key (6.2621.100). ￭￭￭￭￭￭￭￭ 942 Extension Module Vario Prep 2 (2.942.0020)
  • Page 21 The capillaries are removed from the guide ducts between the instru- ￭ ment and the bottle holder. To remove the bottle holder, you need a 3 mm hex key (6.2621.100). ￭￭￭￭￭￭￭￭ 942 Extension Module Vario Prep 2 (2.942.0020)
  • Page 22 Before you can mount the bottle holder, the following preconditions must be met: The instrument is switched off. ￭ To mount the bottle holder, you need a 3 mm hex key (6.2621.100). ￭￭￭￭￭￭￭￭ 942 Extension Module Vario Prep 2 (2.942.0020)
  • Page 23 5 If one of the instruments in the stack is equipped with a leak sensor connection socket, connect the leak sensor (see manual of the IC instrument). 6 Restore any capillary connections that may have been removed. ￭￭￭￭￭￭￭￭ 942 Extension Module Vario Prep 2 (2.942.0020)

  • Page 24: Peristaltic Pump

    1 Select pump tubing suitable for the application (see Table 1, page 16). 2 Select an adapter suitable for the pump tubing. The adapters are included with the pump tubing connection with locking nut and filter (6.2744.180). ￭￭￭￭￭￭￭￭ 942 Extension Module Vario Prep 2 (2.942.0020)
  • Page 25 Coupling olive/UNF 10/32 (6.2744.034) ￭ Pump tubing connection with locking nut and filter (6.2744.180): ￭ Includes a locknut, 3 adapters and a tubing olive with filter holder. 2 × pressure screw, short (6.2744.070) ￭ ￭￭￭￭￭￭￭￭ 942 Extension Module Vario Prep 2 (2.942.0020)
  • Page 26 – Tighten it using the union nut. 2 Removing the tubing cartridge Press in the tubing cartridge's snap-action lever. ￭ Tilt the tubing cartridge upwards. ￭ Unhook the tubing cartridge from the mounting bolt. ￭ ￭￭￭￭￭￭￭￭ 942 Extension Module Vario Prep 2 (2.942.0020)
  • Page 27 Fully loosen the contact pressure lever , i.e. press it all the way ￭ down. In the software, activate the drive of the peristaltic pump with the ￭ desired speed. Raise the contact pressure lever one step at a time until liquid ￭ flows. ￭￭￭￭￭￭￭￭ 942 Extension Module Vario Prep 2 (2.942.0020)

  • Page 28: Mode Of Operation For The Peristaltic Pump

    (5-6), so that the rollers (5-5) advance the liquid in the pump tubing. Figure 5 Peristaltic pump Contact pressure lever Tubing cartridge (6.2755.000) Cartridge holder Snap-action lever Rollers Roller hub Mounting bolt ￭￭￭￭￭￭￭￭ 942 Extension Module Vario Prep 2 (2.942.0020)

  • Page 29: Installing The 6-Port Valve

    Ports 2 and 3, 4 and 5 as well as 6 and 1 are connected together in the Filling position. Injecting Ports 1 and 2, 3 and 4 as well as 5 and 6 are connected together in the Injecting position. ￭￭￭￭￭￭￭￭ 942 Extension Module Vario Prep 2 (2.942.0020)

  • Page 30: Connecting An Extension Module

    (6.2156.070) into the In connection socket on the second Extension Module and tighten it in place. 2 Plug the other end of the connecting cable into the Out connection socket on the first Extension Module and tighten it in place. ￭￭￭￭￭￭￭￭ 942 Extension Module Vario Prep 2 (2.942.0020)

  • Page 31: Start-Up

    The following preconditions must be met before initial start-up: The peristaltic pump is installed and connected. ￭ The 942 Extension Module Vario Prep 2 is connected to the 940 Pro- ￭ fessional IC Vario. You can find additional information on carrying out initial start-up in the Start-up chapter in the manual for the IC instrument and the MagIC Net online help.

  • Page 32: Operation And Maintenance

    The pump tubing (6.1826.xxx) is made of PVC or PP and therefore must not be used for rinsing with solutions containing organic solvents. In this case, use different pump tubing or use another pump for rinsing. ￭￭￭￭￭￭￭￭ 942 Extension Module Vario Prep 2 (2.942.0020)

  • Page 33: Servicing The Peristaltic Pump

    The filters may need to be replaced more frequently, depending on the application. Accessories For this step, you need the following accessories: 1 filter from the spare filter set (6.2821.130) ￭ 2 adjustable wrenches (6.2621.000) ￭ Tweezers ￭ ￭￭￭￭￭￭￭￭ 942 Extension Module Vario Prep 2 (2.942.0020)

  • Page 34: Figure 7 Pump Tubing Connection - Replacing The Filter

    3 Installing the filter screw Screw the filter screw (7-3) back into the tubing olive (7-1) and ￭ start by tightening it by hand. Finish tightening it using the two adjustable wrenches. ￭￭￭￭￭￭￭￭ 942 Extension Module Vario Prep 2 (2.942.0020)

  • Page 35: Quality Management And Qualification With Metrohm

    Metrohm offers you comprehensive support in implementing quality man- agement measures for instruments and software. Qualification Please contact your local Metrohm representative for support in qualifica- tion of instruments and software. The Installation Qualification (IQ) and Operational Qualification (OQ) are offered by Metrohm represen- tatives as a service.

  • Page 36: Troubleshooting

    19). Peristaltic pump – Filter Replace the filter (see "Replacing the filter", blocked. page 26). Peristaltic pump – Pump Replace the pump tubing (see Chapter 5.2.2.1, tubing defective. page 25). ￭￭￭￭￭￭￭￭ 942 Extension Module Vario Prep 2 (2.942.0020)

  • Page 37: Technical Specifications

    Housing Dimensions Width 365 mm Height 131 mm Depth 380 mm Material of base Polyurethane hard foam (PUR) with flame retardation for fire class tray, housing and UL94V0, CFC-free, coated bottle holder ￭￭￭￭￭￭￭￭ 942 Extension Module Vario Prep 2 (2.942.0020)

  • Page 38: Weight

    1 15-pin D-sub plug (male) Connection to the ion chromatograph or another Extension Module. 1 15-pin D-sub plug (female) Connection to another Extension Module or an 891 Professional Ana- log Out (optional). ￭￭￭￭￭￭￭￭ 942 Extension Module Vario Prep 2 (2.942.0020)

  • Page 39: Accessories

    The PDF file with the accessories data will be created. NOTE When you receive your new instrument, we recommend downloading the accessories list from the Internet, printing it out and keeping it together with the manual for reference purposes. ￭￭￭￭￭￭￭￭ 942 Extension Module Vario Prep 2 (2.942.0020)
  • Page 40 Peristaltic pump 6-port valve ......21 Installation ......16 Front .......... 6 Maintenance ...... 24 Valve Front of the instrument ....6 Mode of operation ..... 20 Also see "6-port valve" ..21 ￭￭￭￭￭￭￭￭ 942 Extension Module Vario Prep 2 (2.942.0020)

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2.942.0020

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