Metrohm OMNIS NIR Manual
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Metrohm OMNIS NIR Manual

Metrohm OMNIS NIR Manual

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OMNIS NIR Analyzer
8.1072.8101EN / v2 / 2024-04-29

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Summary of Contents for Metrohm OMNIS NIR

  • Page 1 OMNIS NIR Analyzer 8.1072.8101EN / v2 / 2024-04-29...
  • Page 3 Metrohm AG Ionenstrasse CH-9100 Herisau Switzerland +41 71 353 85 85 info@metrohm.com www.metrohm.com OMNIS NIR Analyzer 8.1072.8101EN / v2 / 2024-04-29...
  • 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

    OMNIS NIR Analyzer – Danger from biological and chemical hazardous substances .............. 7 2.4.3 Danger from highly flammable substances ....... 7 2.4.4 OMNIS NIR Analyzer – Danger from leaking liquids ....8 2.4.5 OMNIS NIR Analyzer – Danger during transport of the prod- uct ..................8 2.4.6 Liquid sample presentation –...
  • Page 6 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 5 Installation Installation by Metrohm ............ 23 OMNIS NIR Analyzer – Setup location ......23 OMNIS NIR Analyzer – Plugging in the power cord and the LAN cable ..............23 6 Operation and control Operation ................27 Switching on and off ............27 Liquid sample presentation ..........
  • Page 7 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Table of contents 10.8 OMNIS NIR Analyzer – Spectrometer ....... 58 ￭￭￭￭￭￭￭￭...

  • Page 9: Overview

    1000 to 2250 nm. The absorption can be visualized as an absorption spectrum, depending on the wavelength. The OMNIS NIR Analyzer can be placed on a table. The instrument is con- nected to the energy supply and the Ethernet network.

  • Page 10: Omnis Nir Analyzer - Product Versions

    Liquid/Solid Liquid sample presenta- ￭ tion All OMNIS NIR Analyzer Liquids and OMNIS NIR Analyzer Solids can be upgraded to a OMNIS NIR Analyzer Liquid/Solid. Information on function licenses and software licenses is available on the Metrohm website or from the regional Metrohm representative.

  • Page 11: About The Documentation

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Overview (01) = Article number in accordance (21) = Serial number with GS1 standard (240) = Metrohm article number About the documentation Possible depictions in the documentation: Depiction Meaning Cross-reference to figure legend (Figure number - Element in the figure)

  • Page 12: Displaying Accessories

    Displaying accessories ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Displaying accessories Up-to-date information on the scope of delivery and on optional accesso- ries can be found on the Metrohm website. 1 Searching for a product on the website Go to https://www.metrohm.com. ￭ Click on ￭ Enter the article number of the product (e.g. 2.1001.0010) into ￭...

  • Page 13: Safety

    Safety 2 Safety OMNIS NIR Analyzer – Intended use The OMNIS NIR Analyzer is suitable for spectroscopic analysis of a wide range of samples, i.e. chemicals, plastics, oils, pharmaceuticals, foods, and agricultural products. If the instrument has a solid sample presentation, then solids can be meas- ured at ambient temperature.

  • Page 14: Requirements For Operating Personnel

    Metrohm service representative. Protect live components (e.g. power supply unit, power cord, connec- ￭ tion sockets) against moisture. Always have maintenance work and repairs on electrical components ￭ carried out by a regional Metrohm service representative. ￭￭￭￭￭￭￭￭...

  • Page 15: Omnis Nir Analyzer - Danger From Biological And Chemical Hazardous Substances

    Dispose of chemically contaminated materials (e.g. cleaning material) in ￭ accordance with regulations. Proceed as follows in case of a return shipment to Metrohm AG or a ￭ regional Metrohm representative: – Decontaminate the product or product component. The drain- age tubing as well for the liquid sample presentation.

  • Page 16: Omnis Nir Analyzer - Danger From Leaking Liquids

    – Carefully allow liquids from the tubing to drain into suitable ves- sels. 2.4.5 OMNIS NIR Analyzer – Danger during transport of the product Chemical or biological substances may be spilled during the transport of the product. Parts of the product may fall down or may be damaged.

  • Page 17: Design Of Warning Messages

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Safety Design of warning messages The present documentation uses warning messages as follows. Structure Severity of the danger (signal word) Type and source of danger Consequences of disregarding the danger Measures for averting the danger Hazard levels Signal color and signal word designate the hazard level. DANGER Indicates an immediate danger.
  • Page 18 Meaning of warning signs ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Warning signs / meaning Warning signs / meaning General warning sign Warning of hot surface Warning of sharp object (cut/ Warning of hand injuries (crush- puncture) ing) Warning of electrical voltage Warning of corrosive substances Warning of optical radiation Warning of a laser beam Warning of flammable materials...

  • Page 19: Functional Description

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Functional description 3 Functional description OMNIS NIR Analyzer – Overview Different product versions are available (see "OMNIS NIR Analyzer – Prod- uct versions", chapter 1.2, page Figure 1 OMNIS NIR Analyzer – Front On/off switch Status display Solid sample presentation Liquid sample presentation ￭￭￭￭￭￭￭￭...
  • Page 20 OMNIS NIR Analyzer – Overview ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Figure 2 OMNIS NIR Analyzer – Rear Side plate Interfaces Open only to replace the lamp OMNIS NIR (see "OMNIS NIR Analyzer – Interfaces", (see "Replacing the lamp", chapter 7.3, chapter 3.4, page 20) page 42).

  • Page 21: Liquid Sample Presentation With Accessories - Overview

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Functional description 3.1.1 Liquid sample presentation with accessories – Overview Figure 3 Liquid sample presentation with accessories Sample vessel Sample holder Liquid sample presentation ￭￭￭￭￭￭￭￭...
  • Page 22 OMNIS NIR Analyzer – Overview ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Liquid sample presentation Figure 4 Liquid sample presentation Sampling window (both sides) Warning of hot surface Sensor for sample vessel detection Drain for spilled liquids Sample vessel detection: The emission of the sensor is below the limit values and is harmless to the human eye.

  • Page 23: Sample Holder

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Functional description Sample holder Figure 5 Sample holder (example for vials) Handle Drain for spilled liquids (outlet on underside) Opening für sample vessel (example Opening for temperature sensor for vial 2 mm) Vial lock (only for vials) Opening for sample vessel detection Sample holder identification (different Light path with sample number of magnets)

  • Page 24: Solid Sample Presentation - Overview

    OMNIS NIR Analyzer – Overview ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 3.1.2 Solid sample presentation – Overview Figure 6 Solid sample presentation with accessories Sample vessel Sample holder Solid sample presentation Sampling window (light emission opening) Invisible light is emitted uninterruptedly from the sampling window (4).

  • Page 25: Omnis Nir Analyzer - Function

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Functional description OMNIS NIR Analyzer – Function The OMNIS NIR Analyzer measures light intensities in the near-infrared wavelength range. The light absorbed by the sample is determined from a measurement without sample and a measurement with sample. Absorbance serves as a measure of absorption. The absorption spectrum represents absorbance as a function of the wavelength.
  • Page 26 OMNIS NIR Analyzer – Function ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Solid sample presentation Solid sample presentation (4) is suitable for measuring diffusely scattering or opaque materials. The measurement is carried out in reflection mode. Part of the incident light is reflected by the sample, the other part of the incident light is absorbed by the sample.
  • Page 27 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Functional description Temperature control of the sample holder: ￭ – Supports sample holders for disposable vials, cuvettes, and flow- through cells. – Target temperature in the sample holder: Between 25 °C and 80 °C (not lower than 5 K below the ambient temperature). Temperature control of the sample: ￭...

  • Page 28: System - Signals

    Malfunction or error Some system components only use part of the explained flashing patterns. OMNIS NIR Analyzer – Interfaces Figure 7 OMNIS NIR Analyzer – Interfaces and connectors (rear of the instrument with cable connection plate) LAN connector Power connection...
  • Page 29 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Functional description To connect the cables, unscrew the cable connection plate (see "OMNIS NIR Analyzer – Plugging in the power cord and the LAN cable", chapter 5.3, page 23). ￭￭￭￭￭￭￭￭...

  • Page 30: Delivery And Packaging

    The product and accessories are supplied in protective special packaging. Keep this packaging to ensure safe transportation of the product. If a transport locking device is present, keep this as well for future reuse. Lifting the OMNIS NIR Analyzer CAUTION Improper lifting Risk of injury from falling instrument.

  • Page 31: Installation

    (no tripping hazards). The workplace is ergonomically designed and ensures trouble-free ￭ operation of the product. OMNIS NIR Analyzer – Plugging in the power cord and the LAN cable WARNING Health hazards from electrical potential. Severe injuries with possibly fatal consequences.
  • Page 32 OMNIS NIR Analyzer – Plugging in the power cord and the LAN cable ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Figure 8 OMNIS NIR Analyzer – Bottom side Cable connection plate Cable connection seal Power supply connection socket LAN connection socket The cable connections are protected against inward seepage of dust and splash water.
  • Page 33 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Installation 2 Connecting the LAN cable and the power supply unit Plug the LAN cable (colored yellow in the picture) into the LAN ￭ connection socket. Plug the power supply unit connection cable (colored black in the ￭ picture) on the instrument side into the power supply connection socket.
  • Page 34 OMNIS NIR Analyzer – Plugging in the power cord and the LAN cable ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ To power down the product, disconnect the power cord from the energy supply. ￭￭￭￭￭￭￭￭...

  • Page 35: Operation And Control

    Data loss Disconnecting OMNIS instruments from the power grid (e.g. with a connector strip) may lead to irreversible data loss. If the instrument can no longer be used, contact your regional Metrohm service repre- sentative. Press the on/off switch for 1 second to safely shut down the ￭...

  • Page 36: Liquid Sample Presentation

    Liquid sample presentation ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Liquid sample presentation CAUTION Hot liquid sample presentation Risk of burns due to contact with hot surfaces. Liquid sample presen- tation can reach temperatures of up to 80 °C. Do not touch metal parts of the liquid sample presentation. ￭...

  • Page 37: Inserting And Removing The Sample Holder

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Operation and control Sample vessel type Accessories Article number Disposable vials Holder OMNIS NIR, vial, 2 mm 6.07401.050 (Glass, with stopper) Holder OMNIS NIR, vial, 4 mm 6.07401.060 Holder OMNIS NIR, vial, 8 mm 6.07401.070 Holder OMNIS NIR, vial, 10 mm 6.07401.080...

  • Page 38: Inserting And Removing The Sample Vessel

    Liquid sample presentation ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Inserting the sample holder 1 Aligning the sample holder Hold the sample holder by the handle and rotate it so that the ￭ handle is at the back. 2 Inserting the sample holder Insert the sample holder vertically into the liquid sample presenta- ￭...
  • Page 39 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Operation and control CAUTION Hot sample vessels Burns to the skin due to contact with hot surfaces or hot liquids. Sample holders, sample vessels, and samples can be heated to tem- peratures of up to 80 °C. Wear personal protective equipment and heat-resistant protective ￭...
  • Page 40 Liquid sample presentation ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Cuvettes are fragile and must be handled with care. Avoid scratching the polished sampling windows: Take care when inserting cuvettes into the sample holder. ￭ When filling solutions using a pipette, do not place the ￭ buret tip against a polished sampling window.
  • Page 41 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Operation and control Do not leave the polished sampling windows in contact with liquids for long periods of time. Store the cuvettes in cases. Do not store unprotected in a cor- rosive atmosphere. 6.3.3.2 Flow-through cell CAUTION Escaping hazardous substances Escaping hazardous substances may result in injuries and damage.

  • Page 42: Solid Sample Presentation

    Solid sample presentation ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 2 Inserting the flow-through cell Insert the flow-through cell into the sample holder so that the ￭ sampling windows of the flow-through cell are aligned with the openings of the holder. Removing the flow-through cell 1 Removing the flow-through cell from the holder Carefully pull the flow-through cell vertically upwards.

  • Page 43: Accessories - Overview

    Operation and control 6.4.1 Accessories – Overview Sample vessel type Accessories Article number Large Large holder OMNIS NIR, 100 mm 6.07402.100 Large cup OMNIS NIR, 100 mm 6.07402.110 Large lid OMNIS NIR, 100 mm 6.07402.120 Petri dishes, PS, 100 mm, (100 pcs.) 6.07402.140...

  • Page 44: Inserting And Removing The Sample Vessel

    Solid sample presentation ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Removing the sample holder Removing the sample holder. ￭ 6.4.3 Inserting and removing the sample vessel CAUTION Spilled hazardous substances Injuries and damage to health due to spillage of hazardous substan- ces or breakage of the sample vessel. Close the sample vessels.
  • Page 45 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Operation and control 2 Inserting the transflection vessel Insert the transflection vessel into the round indentation of the ￭ solid sample presentation. Removing the sample vessel/transflection vessel 1 Removing the sample vessel Remove the sample vessel. ￭ 2 Cleaning the sample vessel Clean and dry the sample vessel.

  • Page 46: Maintenance

    Metrohm recommends having the products maintained by specialist ￭ personnel of Metrohm AG as part of an annual service. Shorter mainte- nance intervals may be necessary if you frequently work with caustic and corrosive chemicals.
  • Page 47 This is the only way to pre- vent extreme damage to the instrument electronics. Notify the regional Metrohm service representative. Cleaning the sampling window Clean the sampling windows of the liquid sample presentation...
  • Page 48 Cleaning the OMNIS NIR Analyzer ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ The product is switched off and disconnected from the energy supply. ￭ Required accessories: Cleaning cloth (soft, lint-free) ￭ Water or ethanol ￭ NOTICE Acetone attacks the plastic Damage to the housing. Do not use solvents containing acetone to clean the housing.
  • Page 49 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Maintenance Cleaning cloth (soft, lint-free) ￭ Water or ethanol ￭ 1 Cleaning the surface Clean the surface with a damp cloth. Remove persistent contami- ￭ nation with ethanol. 2 Drying the surface Wipe the surface with a dry cloth. ￭...

  • Page 50: Replacing The Lamp

    Prophylactic replacement before or at the end of the service life is also possible. The lamp has a service life of 8,000 hours. A spare lamp is available as lamp OMNIS NIR, article number 6.0741.0000, from your regional Metrohm representative.

  • Page 51: Removing The Lamp

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Maintenance Overview Side plate Lamp housing with fan Plug connector in the fan cable Lamp Panel plug The side plate (1), the lamp housing (2) and the lamp (4) are mag- netically attached and can be removed and installed without tools. Removing the lamp WARNING Optical radiation...
  • Page 52 Replacing the lamp ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ CAUTION Hot lamp parts Risk of burns due to contact with hot lamp parts. After switching off the instrument, wait 30 minutes to allow the ￭ lamp parts to cool down. If it is absolutely necessary to remove a lamp that has not cooled ￭...
  • Page 53 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Maintenance 4 Loosening the fan cable Loosen the plug connection in the middle of the fan cable. ￭ – Press the lock button on the plug connection. – Disconnect the two parts of the plug connection at the same time. 5 Pulling out the lamp housing Pull out the lamp housing with fan and place it next to the instru- ￭...
  • Page 54 Replacing the lamp ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 6 Pulling out the lamp Hold the lamp by the front spacer (red arrow) and pull it out of ￭ the instrument. 7 Loosening the lamp cable ￭￭￭￭￭￭￭￭...

  • Page 55: Installing The Lamp

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Maintenance Loosen the black lamp cable (colored blue in the picture) from the ￭ lamp: – Hold the lamp by the black plastic ring. – Press the lock button of the coupling. At the same time, disconnect the coupling and the panel plug from one another.
  • Page 56 Replacing the lamp ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 2 Inserting the lamp Align the lamp so that the black plastic ring is at the bottom and ￭ the printed circuit board is on the right (i.e. towards the rear of the instrument). – Hold the lamp by the front spacer. –...
  • Page 57 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Maintenance Hold the colored fan cable to the left to create space for inserting ￭ the lamp housing. Position the lamp housing and slide it to the rear. Ensure that the ￭ black lamp cable is positioned in the recess in the lamp housing. Check for tight fit.

  • Page 58: Test And Maintenance Intervals

    Observe the waiting time for warming up. ￭ Perform the wavelength calibration and the instrument perform- ￭ ance test in the OMNIS Software. Metrohm recommends waiting 1 hour after switching on the instrument before starting a wavelength calibration. Test and maintenance intervals 7.4.1 Instrument performance tests The instrument performance tests must be performed regularly.

  • Page 59: Wavelength Calibration

    (see "Replacing the lamp", chapter 7.3, page 42) Repeat the instrument performance tests. ￭ – If the noise test fails, contact your regional Metrohm service rep- resentative. – If the wavelength test fails, repeat the wavelength calibration. If the wavelength test fails again, contact your regional Metrohm service representative.

  • Page 60: Troubleshooting

    Forcing a shutdown ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 8 Troubleshooting Messages on malfunctions and errors are displayed in the control software or in the embedded software (e.g. on the display of an instrument) and contain the following information: Descriptions of causes of malfunctions (e.g. jammed drive) ￭...

  • Page 61: Disposal

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Disposal 9 Disposal Properly dispose of chemicals and of the product to reduce negative effects on the environment and public health. Local authorities, waste dis- posal companies or dealers provide more detailed information on disposal. Observe the WEEE EU directive (WEEE = Waste Electrical and Electronic Equipment) for the proper disposal of waste electronic equipment within the European Union.

  • Page 62: Technical Specifications

    OMNIS NIR Analyzer – Ambient conditions ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 10 Technical specifications 10.1 OMNIS NIR Analyzer – Ambient conditions Nominal function range +5 to +40 °C Maximum relative humidity, non-condens- ing: 100% up to a tempera- ture of 25 °C, decreas- ing thereafter: 85% at 30 °C...

  • Page 63: Omnis Nir Analyzer - Energy Supply

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Technical specifications 10.2 OMNIS NIR Analyzer – Energy supply External power supply unit Input Nominal voltage range 100 VAC–240 VAC Frequency range 47 Hz–63 Hz Current max. 3 A Output Nominal voltage 24 V DC ± 5% Current 9.58 A...

  • Page 64: Omnis Nir Analyzer - Dimensions

    OMNIS NIR Analyzer – Dimensions ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 10.3 OMNIS NIR Analyzer – Dimensions Measurements Width 360 mm Height 235 mm Depth 425 mm Weight 18.2 kg 10.4 OMNIS NIR Analyzer – Housing Materials Housing PC-ABS Polycarbonate + Aceto- nitrile butadiene styrene Back panel 1.4301...

  • Page 65: Omnis Nir Analyzer - Connectors

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Technical specifications 10.5 OMNIS NIR Analyzer – Connectors External power supply unit via power connection Socket IEC 60320, type C14, 10 A Power cord Length max. 2 m Number of conductors with protective ground Conductor cross-section min. 0.75 mm...

  • Page 66: Operation

    Operation ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 10.7 Operation On/Off 10.8 OMNIS NIR Analyzer – Spectrometer NIR specifications 1,000–2,250 nm Wavelength range Detector 3TE Cooled InGaAs Diode Array Minimum integration time 0.02 ms Speed of the data collection <10 s Typical, single measure- ment Calibration...
  • Page 67 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Technical specifications Temperature accuracy ±0.5 K checked in water sam- ples for sample temper- atures of 25 °C–80 °C Flow-through cell For technical specifications, see user manual supplied with the flow-through cell. ￭￭￭￭￭￭￭￭...

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2.1070.00102.1071.00102.1072.0010

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