Metrohm 940 Professional IC Vario Manual
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Metrohm 940 Professional IC Vario Manual

Metrohm 940 Professional IC Vario Manual

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940 Professional IC Vario
940 Professional IC Vario ONE/SeS/PP/HPG
Manual – Short Instructions
8.940.8122EN / v5 / 2025-04-30

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  • Page 1 940 Professional IC Vario 940 Professional IC Vario ONE/SeS/PP/HPG Manual – Short Instructions 8.940.8122EN / v5 / 2025-04-30...
  • Page 3 Metrohm AG CH-9100 Herisau Switzerland +41 71 353 85 85 info@metrohm.com www.metrohm.com 940 Professional IC Vario 940 Professional IC Vario ONE/SeS/PP/HPG 2.940.1540 Manual – Short Instructions 8.940.8122EN / v5 / 2025-04-30  ...
  • Page 4 Disclaimer 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. Unauthorized modifications to the product (e.g., conversions or attachments) exclude any liability on the part of the manufacturer for resulting damage and its consequences.

  • Page 5: Table Of Contents

    Connecting the drainage tubing and leak sensor .... 19 5.4.1 Installing the drainage tubing .......... 19 5.4.2 Connecting the leak sensor ............ 20 Column thermostat ............ 21 Connecting the eluent bottle .......... 21 Connecting the eluent degasser ........ 24 Installing the high-pressure pump ........ 24 Installing an inline filter .............  24 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540) ￭￭￭￭￭￭￭￭...
  • Page 6 5.20 Connecting the instrument to the power grid .... 38 5.21 Initial start-up .............. 39 5.22 Connecting and rinsing the guard column .......  41 5.23 Connecting and rinsing the separation column .... 42 5.24 Conditioning ................ 44 6 Operation   46 Index  47 ￭￭￭￭￭￭￭￭ 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540)
  • Page 7 Figure 1 Front .................... 12 Figure 2 Rear .................... 14 Figure 3 Removing the transport locking screws .......... 18 Figure 4 Installing the tubing weighting and aspiration filter ...... 23 Figure 5 Metrohm Suppressor Module (MSM) – Connection capillaries .. 27 Figure 6 Connecting the MCS ...............  32 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540) ￭￭￭￭￭￭￭￭...
  • Page 9 In addition to an introduction, safety instructions and an overview of the instrument, you will also find information about instal- ling and operating the 940 Professional IC Vario ONE/SeS/PP/HPG as well as information regarding the warranty. The comprehensive manual can be downloaded as a PDF file from the Internet.

  • Page 10: Introduction

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 2  Introduction 2.1  Instrument description The 940 Professional IC Vario is a professional ion chromatograph. It is distinguished by: Its intelligence: All of the functions are monitored, optimized and docu- ￭ mented in an FDA-compatible manner. Intelligent components, such as iColumns, save important data onto a chip.

  • Page 11: Inline Filter

    "one drive – many rotors". Suppression rotors with different capacities and construction or a rotor for sample preparation (SPM Rotor) are readily interchangeable with appropriate adapters as needed. The rotors are not included in the 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540) ￭￭￭￭￭￭￭￭...

  • Page 12: Accessories And Additional Information

    This lowers the background conductivity, improves detection sen- sitivity, and minimizes the injection peak and the system peak. Detector Metrohm offers a series of different detectors for various analysis tasks. A suitable detector type must be ordered as a separate device. Sample degasser The sample degasser removes gas bubbles and dissolved gases from the sample.

  • Page 13: Symbols And Conventions

    WARNING 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. WARNING Warning of optical radiation 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540) ￭￭￭￭￭￭￭￭...
  • Page 14 2.3 Symbols and conventions ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ CAUTION This symbol draws attention to possible damage to instruments or instrument parts. NOTICE This symbol highlights additional information and tips. ￭￭￭￭￭￭￭￭ 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540)

  • Page 15: Intended Use

    This device is suitable for processing chemicals and flammable samples. Usage of the 940 Professional IC Vario therefore requires the user to have basic knowledge and experience in handling toxic and caustic substances. Knowledge regarding the application of fire prevention measures prescri- bed for laboratories is also mandatory.

  • Page 16: Responsibility Of The Operator

    Safety-relevant information is communicated and understood. The per- ￭ sonnel can operate the product safely. The user documentation has been read and understood. The personnel ￭ operate the product according to the instructions in the user documen- tation. ￭￭￭￭￭￭￭￭ 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540)

  • Page 17: 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 18: Tubing And Capillary Connections

    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. ￭ ￭￭￭￭￭￭￭￭ 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540)

  • Page 19: Recycling And Disposal

    Observe the WEEE EU directive (WEEE = Waste Electrical and Electronic Equipment) for the proper disposal of waste electronic equipment within the European Union. 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540) ￭￭￭￭￭￭￭￭...

  • Page 20: Overview Of The Instrument

    Offers space for the eluent bottle(s) and Offers space for two embedded detectors additional accessories. and additional accessories. Column holder Metrohm CO Suppressor (MCS) For a third separation column outside the column thermostat. ￭￭￭￭￭￭￭￭ 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540)
  • Page 21 For purging the high-pressure pump. 17 Eluent degasser 18 Mixing coil Removes air bubbles from the eluent. 19 Purge valve 20 Gradient pump A For purging the high-pressure pump. 21 Eluent degasser 22 Peristaltic pump 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540) ￭￭￭￭￭￭￭￭...

  • Page 22: Rear

    Up to two vac- tor chamber. uum pumps can be installed in an instru- ment. Only two transport locking screws are used if just one vacuum pump is installed. ￭￭￭￭￭￭￭￭ 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540)
  • Page 23 For cooling the power supply unit. May Power socket for connecting the power become hot! cable and power switch for switching the instrument on and off. 17 Knurled screws For fastening the removable back panel. 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540) ￭￭￭￭￭￭￭￭...

  • Page 24: Installation

    The instrument is equipped with a handle in order to make it easier to transport. The handle can be removed once the instrument is in place in the lab. Accessories You do not need any accessories for the following work steps. ￭￭￭￭￭￭￭￭ 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540)

  • Page 25: Removing Transport Locking Screws

    These are located at the rear of the instrument and labeled with Transport security screws. Remove these transport locking screws before the initial start-up. Accessories For this step you need: 4 mm hex key (6.2621.030) ￭ 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540) ￭￭￭￭￭￭￭￭...

  • Page 26: Figure 3 Removing The Transport Locking Screws

    Store the transport locking screws in a safe place. Reinsert the transport locking screws each time you transport the instrument a significant dis- tance. CAUTION The pumps may be damaged if you transport the instrument without inserting the transport locking screws. ￭￭￭￭￭￭￭￭ 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540)

  • Page 27: Connecting The Drainage Tubing And Leak Sensor

    The drainage tubing is connected. ￭ The leak sensor connection cable is inserted into the leak sensor ￭ connection socket. The 940 Professional IC Vario is switched on. ￭ The leak sensor is switched to active in the software. ￭ 5.4.1 ...

  • Page 28: Connecting The Leak Sensor

    5.4 Connecting the drainage tubing and leak sensor ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Connecting the drainage tubing 5.4.2  Connecting the leak sensor Plugging in the leak sensor connection cable The leak sensor connection cable is coiled up in the base tray. ￭￭￭￭￭￭￭￭ 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540)

  • Page 29: Column Thermostat

    The tubing adapter for aspiration filter accessory set (6.2744.210) ￭ This accessory set contains a filter holder, a clamping screw and tubing weighting. An aspiration filter (6.2821.090) ￭ The adsorber tube (6.1609.000) ￭ The SGJ clip (6.2023.020) ￭ 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540) ￭￭￭￭￭￭￭￭...
  • Page 30 NOTE Always wear gloves when handling the aspiration filter. In order to avoid air bubbles after the installation of the aspiration filter, we recommend pre-rinsing the aspiration filter with ultrapure water or eluent. ￭￭￭￭￭￭￭￭ 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540)

  • Page 31: Figure 4 Installing The Tubing Weighting And Aspiration Filter

    The end of the tubing should reach approximately to the center of the aspiration filter. Tighten the aspiration filter to the filter holder. ￭ Figure 4 Installing the tubing weighting and aspiration filter 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540) ￭￭￭￭￭￭￭￭...

  • Page 32: Connecting The Eluent Degasser

    5.12  Metrohm Suppressor Module (MSM) The suppressor drive of the 940 Professional IC Vario can hold various rotors. The large rotors, such as the SPM Rotor A (6.2835.000), the MSM‑HC Rotor A (6.2842.000) and the MSM-HC Rotor C (6.2842.200) can be inserted directly.

  • Page 33: Inserting The Rotors

    ￭ Connecting piece (6.2835.010) ￭ Large rotors can be inserted directly into the rotor housing. CAUTION The rotor may be destroyed during start-up if not inserted correctly. Therefore, follow the following instructions exactly. 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540) ￭￭￭￭￭￭￭￭...

  • Page 34: Connecting The Metrohm Suppressor Module (Msm)

    5.12.2  Connecting the Metrohm Suppressor Module (MSM) The 3 entries and exits of the suppressor units, numbered 1, 2 and 3 on the connecting piece, each have 2 permanently installed PTFE capillaries. ￭￭￭￭￭￭￭￭ 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540)

  • Page 35: Recommended Installation

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 5 Installation Figure 5 Metrohm Suppressor Module (MSM) – Connection capillaries Outlet capillary for the eluent. Inlet capillary for the eluent. regenerant waste reg. Inlet capillary for the regeneration solution. Outlet capillary for the regeneration solu- tion; to the waste container.

  • Page 36: Alternative Installation

    ￭ 5.12.2.1  Installing bottles with auxiliary solutions Accessories To connect the bottles of the auxiliary solutions, you will need the follow- ing accessories: Accessories from the accessory kit: IC Vario/Flex SeS (6.5000.020) ￭ ￭￭￭￭￭￭￭￭ 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540)

  • Page 37: Peristaltic Pump

    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) ￭ 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540) ￭￭￭￭￭￭￭￭...
  • Page 38 Tighten the aspiration tubing (6.1803.030) to the tubing olive (6.2744.034) using a pressure screw (6.2744.070). Output Tighten the regenerant suppressor capillary to the pump tubing connec- tion with locking nut and filter (6.2744.180) using a pressure screw (6.2744.070). ￭￭￭￭￭￭￭￭ 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540)
  • Page 39 Connect the loose end of the aspiration capillary to the bottle with the ￭ rinsing solution. Setting the contact pressure correctly   Fully loosen the contact pressure lever , i.e. press it all the way ￭ down. 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540) ￭￭￭￭￭￭￭￭...

  • Page 40: Metrohm Co

    The contact pressure is now set optimally. 5.14  Metrohm CO Suppressor (MCS) 5.14.1  Connecting the MCS The MCS is connected between the Metrohm Suppressor Module (MSM) and the conductivity detector. Connecting the MCS Figure 6 Connecting the MCS Air aspiration capillary Pressure screw, short (6.2744.070)

  • Page 41: Installing The Co2 Absorber

    3 Remove the label from the lid of the CO2 Absorber. As a result, the small opening in the lid of the CO2 Absorber is opened, through which the air is then aspirated. The CO2 Absorber is now ready for installation. 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540) ￭￭￭￭￭￭￭￭...

  • Page 42: Installing The Conductivity Detector

    Install the CO2 Absorber as follows: 5.15  Installing the conductivity detector The 940 Professional IC Vario provides enough space for two detectors and additional accessories in the detector chamber. The detectors are available as separate devices and are supplied with separate manuals.

  • Page 43: Installing The Amperometric Detector

    5 Installation 5.16  Installing the amperometric detector The 940 Professional IC Vario provides enough space for two detectors and additional accessories in the detector chamber. The detectors are available as separate devices and are supplied with separate manuals. Placing the detector in the instrument Follow the instructions in the chapter Inserting the detector in the manual for the detector.

  • Page 44: Installing The High-Pressure Gradient Module

    5.18  Installing the high-pressure gradient module The outlets of the two high-pressure pumps are connected to the injection valve's eluent inlet after the pulsation absorber using the mixing coil for high-pressure gradients (6.2758.000). ￭￭￭￭￭￭￭￭ 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540)

  • Page 45: Connecting The Instrument To A Computer

    NOTE If the instrument is connected to the computer, then it must be switched off. Accessories For this step, you need the following accessories: USB connecting cable (6.2151.020) ￭ Connecting the USB cable 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540) ￭￭￭￭￭￭￭￭...

  • Page 46: 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 47: Initial Start-Up

    Check whether the detector outlet capillary is connected to the Metrohm Suppressor Module (MSM)'s inlet capillary for rinsing solu- tion (labeled rinsing solution).
  • Page 48 Adjust the contact pressure of the peristaltic pump (see "Setting ￭ the contact pressure correctly", page 31).   6 Rinsing the instrument without columns Rinse the instrument (without columns) with eluent for 10 ￭ minutes. ￭￭￭￭￭￭￭￭ 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540)

  • Page 49: Connecting And Rinsing The Guard Column

    1 Rinsing the guard column Place a beaker under the guard column's outlet. ￭ Start manual control in MagIC Net and select the high-pressure ￭ pump: Manual ▶ Manual control ▶ Pump – Flow: in accordance with column leaflet – On 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540) ￭￭￭￭￭￭￭￭...

  • Page 50: Connecting And Rinsing The Separation Column

    (follow the information provided by the manufacturer). NOTE Connect the separation column only after the initial start-up of the instrument. Until that point, insert a coupling (6.2744.040) instead of the guard column and separation column. ￭￭￭￭￭￭￭￭ 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540)
  • Page 51 Start manual control in MagIC Net and select the high-pressure ￭ pump: Manual ▶ Manual control ▶ Pump – Flow: Increase gradually up to the flow rate recommended in the column leaflet. – On Rinse the separation column with eluent for approx. 10 minutes. ￭ 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540) ￭￭￭￭￭￭￭￭...

  • Page 52: Conditioning

    Ensure that the eluent aspiration tubing is immersed in the eluent ￭ and that there is enough eluent in the eluent bottle.   3 Starting the equilibration Start the equilibration in MagIC Net: Workplace ▶ Run ▶ Equi- ￭ libration ▶ Start HW. ￭￭￭￭￭￭￭￭ 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540)
  • Page 53   4 Conditioning the system Continue rinsing the system with eluent until the desired stability level for the baseline has been attained . The instrument is now ready for measuring samples. 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540) ￭￭￭￭￭￭￭￭...

  • Page 54: Operation

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 6  Operation The 940 Professional IC Vario ONE/SeS/PP/HPG is operated solely using the MagIC Net software. You can find information on operating the software in the tutorial for MagIC Net or in the online help. ￭￭￭￭￭￭￭￭ 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540)
  • Page 55 Installation ......32 Grip Vacuum pump Also see "Handle" ....16 Protection ......18 Guard column Peristaltic pump Valve Installation ......41 Installation ......29 See also "Injection valve" ..24 Rinse ........41 940 Professional IC Vario ONE/SeS/PP/HPG (2.940.1540) ￭￭￭￭￭￭￭￭...

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