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ABB MB3000 Series, Installation And User Manual

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ABB MB3000 Series Installation And User Manual Download Page 12

General Notices

Section 2  Safety Summary

6

AA003700-01 rev. G. 2.0

General Notices 

Conformity Declaration

All ABB MB3000 Series FTIR spectrometers have the following conformity
certifications:

–

CB 

–

CE 

–

WEEE

–

TUV

–

FCC

–

FDA 21 CFR chap 1, sub chapter J.

Refer to 

Appendix A, Certificates of compliance

. 

Touching the optical parts of the detector (mirror) may damage the spectrometer
and it may reduce performances.

Changing the computer or instrument IP address should be done by qualified
personnel only.

Screws are easily inserted and tighten. If excessive force is required to set the
screws in place, remove the screw and retry, the screw is probably not properly
aligned.

All components, whether in transportation, operation or storage, must be in a non
corrosive environment.

Make sure to maintain a minimum of 6 inches clearance in front of heat sinks.

Always install the spectrometer on a stable, hard, levelled surface.

Do not use the equipment if any signs of damages are present. Contact ABB
service personnel.

Summary of Contents for MB3000 Series

Page 1: ...MB3000 Series FTIR Spectrometers Installation and User Guide ...

Page 2: ...is document is current and accurate However no guarantee is given or implied that the document is error free or that the information is accurate ABB Inc makes no representations or warranties with regard to the product and instructional and reference materials including but not limited to all implied warranties of merchantability and fit ness for a particular purpose ABB Inc does not warrant guara...

Page 3: ...l Warnings 5 General Notices 6 Conformity Declaration 6 Environmental Information 7 Labels 8 Lockout Tag Out Procedure 10 Section 3 Unpacking and Installing Unpacking 11 Contents 12 Installing the Spectrometer 13 Spectrometer Autocalibration 16 MB3000 Series Spectrometers Calibration 16 Section 4 Connections Purpose 17 Computer or Network Connection 17 Setting up the Ethernet Connection 17 To a Ne...

Page 4: ... 26 Private connection 26 Connection through a Network 26 Purge 27 Power Inlet 27 Attenuator Location 28 Section 7 Module Replacement Detector Module Replacement 29 Removing the Detector Module 29 Installing the Detector Module 30 Source Module Replacement 31 Removing the Source Module 31 Installing the Source Module 33 Section 8 Technical Information Specifications 35 Electrical 35 Mechanical 35 ...

Page 5: ...rity test performance 56 Reasons for residual transmittance at highly absorbing bands 57 Other Causes for Photometric non linearity 58 Double modulation 58 Suppression of double modulated stray light by spectral band selection 60 Technical background 61 Differences Between the FTLA and the MB3000 Series 63 Field of view effects on FTIR Frequency scale calibration 63 Field of view definition 63 Fre...

Page 6: ...Table of Contents 4 ...

Page 7: ...reader The corresponding symbols should be interpreted as follows All servicing of the equipment is to be performed by Qualified Service Personnel only No user operator adjustments inside the spectrometer are necessary or recommended by the manufacturer The laser warning icon indicates the presence of a hazard related to the presence of a laser The electrical warning icon indicates the presence of...

Page 8: ...der to pertinent facts and conditions in the use of the equipment The tip icon indicates advice on for example how to design your project or how to use a certain function The ESD icon indicates the presence of equipment sensitive to electrostatic discharge The hot icon indicates the presence of a hot surface ...

Page 9: ...mply with any of the warnings cautions or notices can result in personal injuries and or equipment damages If you do not fully understand the information contained in this manual please contact ABB Refer to the back cover of this manual Laser Warnings Class 3B invisible laser radiations 760 nm 2mW output power Near IR are present inside the interferometer module However no laser radiations leak ou...

Page 10: ...ded The grounding pin of the power connector must be present at all times If necessary have a certified electrician install a grounded wall outlet Protective earthing connection grounding must be active at all times The absence of grounding can lead to a potential shock hazard that could result in serious personnel injury If an interruption of the protective earthing connection is suspected ensure...

Page 11: ...ure to use proper body mechanics to lift the spectrometer bend your knees otherwise injuries could occur Make sure the system is correctly purged for operation in hazardous locations Before analyzing flammable products equipment MUST be approved by local inspection authorities Do not operate the equipment in the presence of flammable products condensing moisture and excessive dust Before attemptin...

Page 12: ...ces Changing the computer or instrument IP address should be done by qualified personnel only Screws are easily inserted and tighten If excessive force is required to set the screws in place remove the screw and retry the screw is probably not properly aligned All components whether in transportation operation or storage must be in a non corrosive environment Make sure to maintain a minimum of 6 i...

Page 13: ...of these hazardous products into the environment and also to reduce the extraction and protect our natural resources ABB inc strongly recommends to use appropriate recycling systems in order to make sure materials used to produce your equipment are reused or recycled in a sound way The crossed out wheeled bin reproduced on the Product Label is a clear reminder that the product must not be disposed...

Page 14: ... radiations Invisible Class 3B laser radiations 760 nm 2mW output power are present in the interferometer module This label is located on the side of the VCSEL spectrometer Invisible Class 3B laser radiations 760 nm 2mW output power are present in the interferometer module This label is located inside the enclosure on the interferometer module ...

Page 15: ...ctrometer on the source For the US This label is located inside the spectrometer on the casing near the source This label indicates the following information Certifications Laser warning ABB address Analyzer MAC address Ports location Manufacturing date Model number Use conditions for flammable product samples Purge Power inlet This label is located outside the spectrometer on the back cover 2 1 L...

Page 16: ...F the computer holding the software STEP 3 Set the ON OFF power switch of the spectrometer power supply to OFF STEP 4 If applicable set the ON OFF power switch of the accessory to OFF STEP 5 If applicable disconnect the accessory power connector from the wall outlet STEP 6 Disconnect the Ethernet Cable from the spectrometer STEP 7 Disconnect the spectrometer power connector from the wall outlet ...

Page 17: ...ction 3 Unpacking and Installing Unpacking AA003700 01 rev G 2 0 11 Section 3 Unpacking and Installing Unpacking Before unpacking let packaging reach room temperature Figure 3 1 Unpacking the spectrometer ...

Page 18: ...ation Refer to the back cover of this manual Make sure to dispose of material according to Federal State provincial and local environmental regulations The spectrometer weights 24 kilos ABB strongly recommends to lift the spectrometer with the help of another person Make sure to use proper body mechanics to lift the spectrometer bend your knees otherwise injuries could occur Item One spectrometer ...

Page 19: ...0 13 Installing the Spectrometer Make sure there is sufficient free space in front of the heat sinks 15 cm 6 inches Always use the Lockout tag out procedure to power OFF the spectrometer Refer to Lockout Tag Out Procedure on page 10 Figure 3 2 Installation procedure direct connection ...

Page 20: ...e a crossover cable for a private connection spectrometer to computer and a straight pin cable for a Network connection spectrometer to Network STEP 2 Connect the Ethernet cable to the spectrometer STEP 3 If desired connect the purge hose to the spectrometer dry oil free air or nitrogen only recommended 7 l min Figure 3 3 Installation procedure Network connection ...

Page 21: ...meter STEP 5 Connect the power cable to the power supply and to the wall outlet STEP 6 Power up the analyzer Set the ON OFF power switch located on the external power supply to ON When Start Up LED sequence is completed the instrument is ready STEP 7 Remove desiccant from sample compartment STEP 8 Perform the Auto Calibration procedure Refer to Table 3 2 Led Description ABB recommends to allow a s...

Page 22: ...ation once the temperature of the spectrometer has stabilized i e when the spectrometer has been under power for four hours Anytime the spectrometer is powered ON after being powered OFF for more than one hour To perform spectral calibration follow this procedure STEP 9 Set the ON OFF power switch of the spectrometer power supply to OFF STEP 10 Wait 30 seconds STEP 11 Set the ON OFF power switch o...

Page 23: ...work LED will turn Green and the flashing Network LED will indicate activity Refer to Table 2 1 The MAC address located on the Product Label refer to Labels on page 8 is used by your computer or the Network to identify the spectrometer Each spectrometer has a unique MAC address Setting up the Ethernet Connection The computer delivered with your spectrometer has been factory configured for the prop...

Page 24: ... first turned ON your spectrometer will attempt to obtain automatically its LAN configuration from the DHCP server To insure your PC Ethernet interface uses the DHCP server perform the following procedure Figure 4 1 Connection via a Network To ensure the DHCP server is properly detected perform a power OFF ON cycle after connecting properly the Ethernet cable i e Network LED must be ON ...

Page 25: ...a Connection STEP 2 Select the Properties dialog box of the Internet Protocol TCP IP and click Properties STEP 3 Select the radio button Obtain an IP address automatically must be selected STEP 4 Then click OK Figure 4 2 Network and Dial up Connection window Figure 4 3 Internet Protocol TCP IP Properties dialog box ...

Page 26: ...7 127 The PC Ethernet interface should be configured to use a compatible set of LAN parameters for example IP address 10 127 127 1 Subnet Mask 255 255 255 0 To ensure your PC Ethernet interface is properly set perform the following procedure STEP 1 Open Start Settings Network and Dial up Connections STEP 2 In the Network Dial up connections window right click Local Area Connection and select Prope...

Page 27: ...he following IP address and type the following information Checking the Connection The connection can be checked with the ABB FTIR utility To run the utility go to the Windows Control Panel Figure 4 5 IP address Changing the computer or spectrometer IP address should be done with caution if one is not knowledgeable of Ethernet settings ...

Page 28: ...will search the Network for the presence of spectrometers A message indicating that the utility is detecting the presence of spectrometers will appear Then a list of all the spectrometers present on the Network will appear in the ABB Bomem FTIR window Figure 4 6 ABB Bomem FTIR utility Figure 4 7 Detecting connected instruments If your spectrometer is not detected refer to Section 9 Troubleshooting...

Page 29: ...is a sample that has been spilled on the spectrometer refer to the Material Safety Data Sheet MSDS of the product for detailed information on collecting spills Make sure to dispose of collecting material cloths absorbent products containers etc in accordance with Federal State provincial and local regulations Do not perform any cleaning procedures if the Detector Module the Arid Zone telescopic tu...

Page 30: ...wheeled bin reproduced on the Product label is a clear reminder that the product must not be disposed with household waste It is the responsibility of the buyer to discard the spectrometer in accordance with Federal regional and local environmental regulation Do not store the spectrometer in an environment with condensing moisture and excessive dust Figure 5 1 Product label ...

Page 31: ...ns quality control laboratories pharmaceutical plants etc LED Identification Symbol LED State Description Power Solid Green Spectrometer is ON Status Flashing Green Spectrometer is warming up or calibration Solid Green Spectrometer is ready and running Solid Red Error detected Flashing Red No detector connected Network Solid or Blinking Green Spectrometer is connected to a Network or computer Flas...

Page 32: ...B3000 Series FTIR spectrometer depending on the type of connection you need Be sure to use the correct type of cable Both connectors connect into the Ethernet Port of the spectrometer located at the rear of the spectrometer Private connection A private direct connection from the spectrometer to the computer requires a crossover cable Connection through a Network A connection from the spectrometer ...

Page 33: ...nce it is designed with non hygroscopic materials However many compressors tend to let some oil mist enter the air that is being compressed Oil mist is not removed by moisture carbon dioxide scrubbing filters Therefore use dry oil free air or nitrogen only to purge the system Power Inlet Power cords are provided in accordance with the destination country ...

Page 34: ... left side tower Figure 6 2 Attenuator location When using accessories that reduce throughput for example an ATR a vial holder a powder sample etc you may remove the attenuator to increase Signal to Noise Ratio SNR The Arid Zone telescopic tube and the attenuator are screwed on the tower Refer to Figure 6 2 The value indicated on the attenuator is the throughput value i e the amount of residual en...

Page 35: ...the Detector module from the spectrometer The module is tightly fitted into the housing gently pull the module to remove it from the spectrometer Screws are easily inserted and tighten Do not use excessive force to set the screws in place otherwise spectrometer could be damaged The type of Detector module being installed into the spectrometer is automatically detected The Detector module can be re...

Page 36: ... fits tightly into the housing of the Detector module gently push the Detector module into place STEP 3 Set all 3 captive screws of the Detector module into place Do not overthighten Figure 7 2 Label location on Detector module After installing the Detector module check the LED statuses to make sure the spectrometer is ready for use Refer to Table 6 1 A delay may be required for temperature stabil...

Page 37: ...odule with caution use the non metallic parts to hold the Source module Ensure that equipment and any devices or power cords connected to it are properly grounded The grounding pin of the power connect must be present at all times If necessary have a certified electrician install a grounded wall outlet Protective earthing grounding must be active at all times The absence of grounding can lead to a...

Page 38: ...nt panel in place STEP 3 Slide down and remove the front panel from the spectrometer STEP 4 Unscrew with a 2 5 mm Hex driver the bracket holding the Source Electronic Board Figure 7 3 Front panel captive screws Do not discard the four screws they will be required to reinstall the front panel Figure 7 4 Source module Source control board and source ...

Page 39: ... into place STEP 3 Connect all two connectors and tighten the 3 captive screws holding the Source Module into place Do not overtighten STEP 4 Set the source control board installed on its bracket into place Refer to Figure 7 4 You do not need to cut the wires connecting the source control board to the source module The replacement kit includes the source and the source control board Connectors are...

Page 40: ...Installing the Source Module Section 7 Module Replacement 34 AA003700 01 rev G 2 0 This page has been left intentionally blank ...

Page 41: ...ll values are nominal Electrical Mechanical Data presented in the following tables are subject to change without prior notice Rated Line input 100 240 VAC 47 63 Hz Line voltage fluctuation Not to exceed 10 of the nominal line voltage Rated power consumption 65 W Enclosure Rugged all metal frame with integrated handles Overall dimensions 435 mm W x 280 mm D x 372 mm H Footprint 0 122 m2 1 3 ft 2 We...

Page 42: ...hin 5ºC Operating temperature range 10ºC to 35ºC Spectrometer specifications at 25ºC 5ºC Humidity range 5 to 80 non condensing Pollution degree 2 Altitude 2000 m maximum Pollution is any addition of foreign matter solid liquid or gaseous ionized gases that may produce a reduction of dielectric strength or surface resistivity Pollution degree 2 is normally only non conductive pollution However a te...

Page 43: ...37 Data Communications Optical Bench Lasers Ethernet 10 100 Mbps Direct connect or LAN Interferometer Mechanism High throughput double pivot Michelson fully jacketed Laser Solid state Beamsplitter Material ZnSe Laser type Wavelength Output Class VCSEL 760 nm 2 mW 3B invisible ...

Page 44: ...Lasers Section 8 Technical Information 38 AA003700 01 rev G 2 0 This page has been left intentionally blank ...

Page 45: ... troubleshooting procedures Always use the Lockout tag out procedure to power OFF the spectrometer Refer to Lockout Tag Out Procedure on page 10 Each time you perform a step of the flow chart refer to Table 9 2 to correct a situation reboot the system by closing and restarting the analyzer Upon powering up the analyzer all LEDS should light up for a period of 10 seconds ...

Page 46: ...l operation Status RED blinking No detector connected Replace or install detector module Refer to Detector Module Replacement on page 29 GREEN with Red short blinks Operation Error Check software health monitoring RED Internal Error Check software health monitoring OFF System is loading If after 1 min LED is still OFF check software health monitoring GREEN Blinking System is initializing or perfor...

Page 47: ...t connected or wrong type of cable Make sure the proper Network cable is used and connected to the Spectrometer and to a computer or a Network Solid GREEN Network connected but no communication with the computer or the Network Check computer and or network configurations Table 9 1 LED Troubleshooting table ...

Page 48: ...lems Contact ABB service Refer to the back cover of this manual Check if Network is active Check if Network is connected Try other Network cable Try other Network outlet Wait for How is the Status LED to finish initializing Blinking GREEN Solid RED Blinks Yes OFF GREEN Normal operation RED Blinking No detector GREEN Solid Solid or Blinking Check software Health monitoring OFF for more Not connecte...

Page 49: ...s service a Contamination Data Sheet fill out and sign the Contamination Data Sheet Do not forget to check the checkboxes of the Non contaminated Material Declaration section Then return the fully completed Declaration to ABB obtain the authorization from ABB personnel You must receive a Return Merchandise Authorization RMA prior to sending the analyzer back to ABB otherwise reception of analyzer ...

Page 50: ...Before sending a spectrometer to ABB inc Section 9 Troubleshooting 44 AA003700 01 rev G 2 0 This page has been left intentionally blank ...

Page 51: ...ficates of compliance CE Certificate AA003700 01 rev G 2 0 45 Appendix A Certificates of compliance CE Certificate For the latest CE declaration of conformity version contact ABB manufacturer Figure A 5 CE Certificate ...

Page 52: ...CB Test Certificate Appendix A Certificates of compliance 46 AA003700 01 rev G 2 0 CB Test Certificate Figure A 6 CB Test Certificate ...

Page 53: ...Appendix A Certificates of compliance TUV Certificate AA003700 01 rev G 2 0 47 TUV Certificate Figure A 7 TUV compliance certificate ...

Page 54: ...ons EN 61326 class A FCC 20780 parts 15 class A Radiated Immunity EN 61000 4 3 level 2 Perf criteria A ENV 50204 level 2 Perf criteria A Conducted Immunity EN 61000 4 6 level 2 Perf criteria A ESD Immunity EN 61000 4 2 level 2 Perf criteria B EFT Burst EN 61000 4 4 level 2 Perf criteria B Surge EN 61000 4 5 level 2 Perf criteria A Dips Interruptions CEI 61000 4 11 100 1 period Perf criteria A ...

Page 55: ...strument s behavior Contact our service department for any questions regarding the availability of firmware updates The firmware can be updated with the ABB Bomem FTIR utility Firmware Update The Ethernet connection allows easy update of the instrument s firmware The update is done via the ABB Bomem FTIR utility STEP 1 Click Start Settings Control Panel and double click on the ABB Bomem FTIR icon ...

Page 56: ...presence of analyzers A message indicating that the utility is detecting the presence of analyzers will appear Then a list of all the analyzers present on the Network will appear in the ABB Bomem FTIR window STEP 3 In the ABB Bomem FTIR dialog box select your instrument and click on Update Firmware Figure B 2 ABB Bomem FTIR dialog box ...

Page 57: ...pload dialog box select Select File browse to locate and to select the updated firmware STEP 5 Click OK to launch the updating process This may take up to 5 minutes At the end you will get a message that the instrument is rebooting Figure B 3 Selecting update file Figure B 4 Uploading firmware ...

Page 58: ...Firmware Update Appendix B Firmware Update 52 AA003700 01 rev G 2 0 STEP 6 The update will conclude with the confirmation screen Figure B 5 Firmware updated confirmation dialog box ...

Page 59: ...ngth of the light beam through the sample In an FTIR Absorbance is not measured directly but is derived via the negative logarithm of the ratio of sample spectrum divided by background spectrum Figure C 1 shows a series of six absorbance spectra of pure Toluene recorded with a variable path length liquid cell The pathlength settings are 1000 μm 750 μm 500 μm 250 uμm 100 μm and 33 μm for highest to...

Page 60: ...is further reduced to 0 1 It is expected that the absorbance vs pathlength will be quite linear for a small absorbance range from example from 0 to 0 3 A As absorbance range increases the linearity becomes increasingly challenging With an FTIR spectra are recorded as raw spectra first that are converted to transmittance by dividing by an open beam reference spectrum In the raw spectra normally the...

Page 61: ...itical at high absorbance the evaluation of photometric linearity is done specifically at the peaks of high absorbance bands where the transmittance is expected to be near zero Simply attenuating the IR beam over the full spectral range such that transmittance is near zero at all wavelength the blocked beam case is a redundant test since an FTIR does not show any stray spectral response when the s...

Page 62: ...hat have absorbance greater than 4 less than 0 01 transmittance while many parts of the spectrum are quite transparent Linearity test performance When testing an FTIR with a Polystyrene film the 6 highly absorbing bands should show close to zero transmittance A satisfactory performance would indicate a residual transmittance of less than 0 1 It would permit quite linear performance over the absorb...

Page 63: ...c linearity may be unsatisfactory for demanding wide absorbance range measurements The open beam linearity is quite satisfactory for a limited absorbance range from 0 to 1 A For a wider range of absorbance measurements it is recommended to use the supplied attenuator grid The attenuator grid is supplied and installed on each new MB3000 For all general purpose measurements it is best to use the att...

Page 64: ...mount of light from one wavelength region can be found in another wavelength region This appears as stray light because when the transmittance at some wavelengths is expected to be zero there may appear some residual intensity due to this mixing from other wavelengths When the light modulated by the interferometer passes through the sample on its way to the detector some of the light may be reflec...

Page 65: ...ated For example the source elements are placed at an angle so that reflection is sent beside the interferometer The detector optics is also designed to send reflected light beside the interferometer When measuring a sample that might have reflective surfaces that are placed perpendicular to the sample beam there is a chance to reflect modulated light of the sample such as a liquid cell window bac...

Page 66: ...ulated stray light by spectral band selection The MB3000 mid IR FTIR has a spectral response starting at about 500 cm 1 The double modulated stray light can start to occur only at 1000 cm 1 and higher By the same principle if highly linear absorbance response over a wide absorbance range is desired say in the 2000 to 2500 cm 1 region then double modulated stray light can be eliminated completely f...

Page 67: ...eries For example the position of the water vapor line near 7300 cm 1 is 0 15 cm 1 lower for the MB3600 than for the FTLA for identical spectral response of liquid samples Technical background The MB3000 Series includes a solid state laser in place of the He Ne laser in order to reduce maintenance and improve the spectrometer life span ABB already have many years experience of using solid state la...

Page 68: ...oal is to calibrate the solid state lasers to the same accuracy or better than the He Ne laser The best way to do this is to measure a known spectral line and adjust the laser wavelength in software such that the measured line falls on its exact wavelength For this a built in cell with a reference vapor and a separate source and detector is used The wavelength of the laser is stable for an extende...

Page 69: ...focus where the source is located A first conjugate image of the source collimator focus is produced at the output focusing mirror of the MB3000 interferometer Its image size is twice the image size at the source focus Ratio of source collimator focal length to output focusing mirror focal length is 1 to 2 A second conjugate image of the source focus is produced at the sample compartment IR beam f...

Page 70: ...fine absorption lines indicate the presence of water vapor At a resolution of 1 cm 1 two individual water vapor spectral lines have been identified for calibration verification These are the lines at 1918 cm 1 for mid IR and 7300 cm 1 for Near IR Table 10 Location Magnification Size limit FOV limit source focal plane 1 1x 2 5 mm partial limiting output focal plane 2 3 1 mm partial limiting sample ...

Page 71: ...e beamsplitter The optical path difference is greatest along the optical axis As light beams are angularly inclined to the optical axis the optical path difference for the same mirror displacement diminishes as the cosine of the angle A pinhole mask placed centered in the sample beam permits selecting an IR beam parallel to the optical axis For this configuration the measured frequency of the wate...

Page 72: ...his is the case for the MB3000 where the output J stop limits the illumination to a circle The quartz halogen lamp of the MB3600 is not quite wide enough to provide circular symmetric illumination through the output J stop and hence the illumination distribution is no longer rectangular Figure 2 shows the illumination distribution as a function of frequency for figure 1 The mean frequency for the ...

Page 73: ...ing accessories on frequency A common example of a beam restricting accessory is the vial sampling accessory used with the MB3600 In order to achieve a uniform optical path through the curved walls of small glass vials the IR beam is restricted by means of a 1mm wide vertical slit in the vial sampling accessory This changes the illumination distribution and hence the frequency Figure E 2 Illuminat...

Page 74: ...cy Appendix E FTIR Frequency scale calibration 68 AA003700 01 rev G 2 0 calibration Figure 3 shows the accessory slit superimposed on the IR beam as restricted by the system as in Figure 1 Figure E 3 Illumination distribution with vial sampling accessory ...

Page 75: ...ncy will be higher than the average frequency because of the strong skew in the curve Calibration Transfer between FTLA2000 and MB3000 systems In the FTLA systems there is no J stop in the focal plane of an output focusing mirror As a result the illumination is further away from circular symmetric and the illumination distribution as a function of frequency is more skew for the open beam case than...

Page 76: ...FTLA2000 and MB3000 systemsAppendix E FTIR Frequency scale calibration 70 AA003700 01 rev G 2 0 Figure E 5 Illumination distribution for the FTLA2000 160 Figure E 6 illumination distribution as a function of frequency for figure 5 ...

Page 77: ...he FTLA to the MB3600 slightly different values for the water vapor frequency calibration are required The difference in frequency can be determined by means of the reproducibility test with Toluene which will require different water vapor frequency assignments to provide the best match Similarly for the vial sampling accessory the effective illumination distribution is not the same between the FT...

Page 78: ...n transferring calibrations from an FTLA to an MB3600 there is a need for redefining the measured calibration frequency for the water vapor calibration test The redefinition of the water vapor frequency requires a change in interpolation as well as a change in frequency assignment to insure that discrete spectral data points align with data points from other spectra The redefinition of frequency i...

Page 79: ...ed Trademark of ABB Trademark of ABB For America 1 800 HELP 365 email ftirservice us abb com For North America 1 800 858 3847 For all other countries 1 418 877 2944 email ftirsupport ca abb com Analytical Business 585 Charest Blvd East suite 300 Québec Québec G1K 9H4 Canada http www mb3000ftir com ...

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