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ABB GLA131 Series Microportable Analyzers

User Manual

ABB PROPRIETARY INFORMATION

17

4

Features and Measurement Theory

The analyzer is a cavity-based spectroscopy instrument. The analyzer’s cavity
design enhances the absorption of laser light by the target gas molecule. This
enhancement improves the signal-to-noise ratio over conventional laser sensors
enabling trace gas measurement and sensitive monitoring. The type of gas the
analyzer can measure is based upon the laser wavelength used. There are various
models, each targeting gases that various industries monitor. All measurements
are real-time.

Main Features

The analyzer’s main features are:

Measurement and processing time up to 10 Hz

Reduced data cross-interference

Sensitivity up to ppb

Connection Ports

This section describes the connections shown in Figure 6. These connections vary
from analyzer to analyzer depending on the ordered configuration.

Figure 6: Connection Ports

Summary of Contents for GLA131 Series

Page 1: ...ber 2022 GLA131 Series Microportable Analyzers User Manual ABB Inc Measurement Analytics 3400 rue Pierre Ardouin Quebec Quebec G1P 0B2 Canada Tel 1 800 858 3847 North America Tel 1 418 877 2944 Worldwide Fax 1 418 877 2834 abb com analytical ...

Page 2: ...Text Formats and Warning Icons 12 Text Formats 12 Warning Icons 12 3 Product Specification 13 Environmental Requirements 16 4 Features and Measurement Theory 17 Main Features 17 Connection Ports 17 Gas Inlet and Outlet 18 Power 18 Data Interface 18 Plumbing Diagram 19 Services and Ports 19 5 User Interface Operation 21 Malware Protection 21 Set Up Communication 21 WiFi Setup 22 VNC Viewer User Int...

Page 3: ...IU 51 Service 57 Data Output Logging 58 Serial Logger 58 Modbus TCP 60 Security 66 User Management 67 Set ICOS Default Data 73 Analyzer Shutdown 74 6 Service 75 Basic Service Procedure 75 Spare Parts Maintenance and Accessories 75 Mirror Cleaning Kit 75 Spare Pump and Filters Kit 75 Spare Parts Kit 76 Sampling Kit 76 MicroGuard Accessory Kit 76 Power Accessories 76 Preventive Maintenance 77 Daily ...

Page 4: ... analyzer and electric shock Disclaimer This document contains product specifications and performance statements that may be in conflict with other ABB published literature such as product flyers and product catalogs All specifications product characteristics and performance statements included in this document are suggested specifications only In case of conflict between product characteristics i...

Page 5: ...ffiliates are not liable for damages and or losses related to such security breaches any unauthorized access interference intrusion leakage and or theft of data or information Patent The analyzer technology is protected by patents 7 468 797 6 839 140 6 795 190 6 694 067 Copyright 2022 ABB Inc All rights reserved No information contained in this document may be reproduced in any form in full or in ...

Page 6: ...ABB GLA131 Series Microportable Analyzers User Manual ABB PROPRIETARY INFORMATION 6 NOTE Be prepared to provide the serial number or sales order number of the analyzer ...

Page 7: ...e analyzer menu and data screens It also provides instructions to calibrate the analyzer to its traceable certified bottle gases adjust data sampling rates and data transfer through WiFi on the device that has established and secured a link with the analyzer Even though this user manual provides additional information on the hardware components and their particular functions it is recommended to h...

Page 8: ...lations chapter 1 sub chapter J WEEE Directive The analyzer is not subject to WEEE Directive 2002 96 EC Waste Electrical and Electronic Equipment or relevant national laws for example ElektroG in Germany The product must be disposed of at a specialized recycling facility Do not use municipal garbage collection points According to the WEEE Directive 2002 96 EC only products used in private applicat...

Page 9: ...te with the case cover open can injure personnel WARNING Bypassing the analyzer interlock switch to open the case cover during analyzer operations can cause serious bodily injury Even though the analyzer provides a second layer of protection such as a laser cover to prevent the user from the invisible laser beam or any secondary reflection from the laser on a reflective surface it is not recommend...

Page 10: ... mW The laser is enclosed and not accessible unless the lock is removed and the case cover is opened for servicing Laser warning labels are on the enclosure covering the laser Figure 2 Laser Radiation Labels and Magnetic Interlock Switch The analyzer laser is not field serviceable Should a laser fail in the field the analyzer must be shipped back to ABB for service repair The analyzer laser is equ...

Page 11: ...ally hazardous and may present a serious fire hazard if damaged defective or improperly used A fire may potentially occur in the following circumstances The battery has been fully discharged and is not recharged shortly afterwards Charging is attempted at temperatures below 0 C 32 F The battery is exposed to liquids especially salt water Operating or charging a battery damaged from dropping or fro...

Page 12: ...e in fields and button choices that you enter Warning Icons Table 2 shows and describes the warning icons used in this manual Table 2 Warning Icon Descriptions Icon Meaning NOTE or IMPORTANT Emphasizes facts and conditions important to analyzer operation WARNING or CAUTION WARNING Failure to comply may result in serious injury CAUTION Follow instructions carefully to avoid equipment damage or pers...

Page 13: ...ation Parameters Specification Physical Dimensions Length 34 7 cm 13 37 in x Width 29 5 cm 11 6 in x Height 14 8 cm 5 8 in see Figure 3 Physical Weight 6 1 kg 13 5 lb with internal battery Power Source Internal battery see Figure 5 External power supply battery charging Power Input 10 30 V DC or 110 240 V AC 35 watts GLA131 GGA 27 watts GLA131 GPC GLA131 MEA GLA131 CH4 120 W power supply charger i...

Page 14: ...ABB GLA131 Series Microportable Analyzers User Manual ABB PROPRIETARY INFORMATION 14 Figure 3 Analyzer Dimensions Figure 4 Analyzer Case Component Identification ...

Page 15: ...ABB GLA131 Series Microportable Analyzers User Manual ABB PROPRIETARY INFORMATION 15 Figure 5 Analyzer Replaceable Lithium Ion Polymer Battery ...

Page 16: ...nal Temperature1 4 C to 50 C 40 F to 122 F Relative Humidity Below the dew point for the area avoiding condensation on surfaces WARNING To prevent damage to the analyzer do not expose the analyzer to or use the analyzer in rain or snow CAUTION ABB does not endorse operation of any analyzer including MicroGuard not certified for operation in hazardous locations continuously in air that contains met...

Page 17: ...ce gas measurement and sensitive monitoring The type of gas the analyzer can measure is based upon the laser wavelength used There are various models each targeting gases that various industries monitor All measurements are real time Main Features The analyzer s main features are Measurement and processing time up to 10 Hz Reduced data cross interference Sensitivity up to ppb Connection Ports This...

Page 18: ...e the external power input harness There is also an optional battery charger ACC MICRO BC when extra batteries need to be charged outside the analyzer WARNING Do not use a battery other than the battery provided by ABB Data Interface USB ports Used to transfer data to a USB memory device or connect a USB keyboard and mouse Serial port 9 pin D sub For real time digital measurement output Video port...

Page 19: ...s the optional pressure controller which regulates the pressure to maintain a specific set point Before the gas travels through the optical cell to the pump it passes through an additional filter that is greater than 95 efficient at removing particles that are 0 01 µm diameter or larger Finally the gas passes through a second 5 µm screen filter before the pump as it exits through the waste OUT por...

Page 20: ...ION 20 Table 5 Ports and Services Port Service Function 22 tcp Secure Shell SSH Remote shell login 445 tcp SMB Version 2 or higher File sharing 2222 tcp Modbus TCP Data streaming option 5900 tcp TCP VNC Remote login 20002 tcp WebSocket WebSocket option full duplex over single TCP ...

Page 21: ...nication To establish communication and operate the analyzer the following options are available SSH For remote shell login Use your preferred SSH client for example Putty and log in using the IP address and SSH password Samba For sharing the data directory on the network Using the explorer navigate to IP ADDRESS lgrdata then log in with the Samba password VNC Viewer For remote login Data transfer...

Page 22: ...ork SSID marked on the analyzer label It should read GL MT300N V2 XXX where XXX is the variable Once selected enter the corresponding password key from the same label on the analyzer for access See Figure 8 Figure 8 Access WiFi 4 Log in a Open a Web browser Chrome Firefox is recommended b Visit http 192 168 8 1 You will be directed to the login page c Enter the default password 123456789 5 Change ...

Page 23: ...word in the New Password field The new password must be at least five characters long d Click Apply 6 Change the Wireless Key WiFi password a On the left side of the screen click WIRELESS see Figure 10 Figure 10 Wireless Settings Panel b Input the new WiFi password in the WiFi Key field The new password must be at least six characters long c Click Modify d Click Apply to save the changes see Figur...

Page 24: ...analyzer and the interface The analyzer uses VNC Viewer by RealVNC Limited for communication between the user and the analyzer VNC Viewer shown in Figure 12 can be downloaded from Play Store for Android devices App Store Apple OS devices or directly from the RealVNC Internet site for PC or Mac installation Figure 12 Play Store VNC Viewer Once VNC Viewer is downloaded and installed on the tablet ce...

Page 25: ...stalled VNC application to establish communication with the analyzer using VNC 1 Tap or click on the VNC application to execute it The screen shown in Figure 14 appears Figure 14 VNC Get Started Screen 2 Tap or click GOT IT 3 When VNC cannot determine the source server from its database it displays a No connections message as shown in Figure 15 Tap or click the symbol ...

Page 26: ...26 Figure 15 No Connections 4 The New connection screen appears Enter the Address parameter of the New connection Wireless IP on the analyzer label as shown in Figure 16 5 Enter the name of the device to be connected under Name The Name parameter shown in Figure 16 is only an example ...

Page 27: ...FORMATION 27 Figure 16 New Connection Server Analyzer Address 6 Tap or click CREATE to create the VNC communication network 7 Enter the password for the VNC Viewer to the analyzer lgrvnc see Figure 17 NOTE This is the default password for VNC and can be changed by the user ...

Page 28: ...r Manual ABB PROPRIETARY INFORMATION 28 Figure 17 VNC Network Password Screen 8 Select CONNECT The VNC application displays an informational message indicating the VNC attempt at connection see Figure 18 Figure 18 VNC Attempting Connection Screen ...

Page 29: ...ton 2 For initial login use the default Linux credentials for the username and password see Figure 20 as follows User lgr Password 3456789 WARNING If you change and forget this password you will not be able to recover it without a factory restore NOTE There is only one Linux account Figure 20 Login Dialog Box 3 Click Login Security Button Once logged in the Security button also lets you do the fol...

Page 30: ...sts the default passwords Table 6 Default Passwords lgr 3456789 ssh 3456789 samba lgrsmb vnc lgrvnc Wireless Key goodlife Wireless Router Admin Password 123456789 To change a user password perform the following 1 Click the Security button The dialog box shown in Figure 21 appears Figure 21 Security Dialog Box After Login 2 Click Change Password The Change Password dialog box appears ...

Page 31: ...ange Password WARNING If you forget the new password it is not recoverable WARNING The lgr password is the same for SSH If you change the lgr password the SSH password also changes Add New User NOTE Only users belonging to the Admin and Service groups can add new users To add a new user perform the following 1 Click the Security button The dialog box shown in Figure 21 appears 2 Click Add User The...

Page 32: ...op down menu Admin Service or User 7 Click Add New User If you try to add a user and are in the User group instead of the Admin or Service group the following dialog box appears and you must cancel the action Figure 24 Permission Denied Log Out To log out of the system click the Security button then click Log Out Control Bar The Control Bar see Figure 25 lets you select the type of information to ...

Page 33: ... based strictly on gas concentration measurements Sample gas is measured in parts per million ppm The resolution unit auto adjusts Figure 26 shows an example of a GLA131 GGA numeric readout of the last measurements of CH4 H2O CO2 CH4 Dry and CO2 Dry in parts per million ppm The displayed numeric readout may vary depending on the analyzer type In addition the analyzer color coded operational status...

Page 34: ...ortion of the Spectrum display which lets you toggle between the two lasers Laser 1 also referred to as laser A displays CH4 and H2O peaks Figure 27 Laser 2 also referred to as laser B displays the CO2 peak Figure 28 The measured concentrations are shown in parts per million ppm on the bottom of the Spectrum display Figure 27 Spectrum Display Screen for Laser 1 Figure 28 Spectrum Display Screen fo...

Page 35: ... mirrors or supporting electronics board This information is helpful when contacting ABB service about the issue Timechart Display The Timechart display see Figure 29 provides the absorption in ppm or ppb of the sample gas measured The black line represents the trace of measured concentrations at a customizable interval rate Figure 29 Timechart Display Refresh in the Timechart display see Figure 3...

Page 36: ... time analyzer operational status The status uses traffic light color indication Green indicates no problem Yellow indicates the analyzer is out of spec or maintenance is soon required Red indicates there is a problem and maintenance is immediately required Error messages for each alarm can be displayed by selecting the relevant alarm button After the button is selected a pop up window appears dis...

Page 37: ...ABB GLA131 Series Microportable Analyzers User Manual ABB PROPRIETARY INFORMATION 37 Figure 31 Alarm Status Display GLA131 GPC ...

Page 38: ...ABB GLA131 Series Microportable Analyzers User Manual ABB PROPRIETARY INFORMATION 38 Figure 32 Alarm Status Display GLA131 GGA Table 7 describes the analyzer alarm status ...

Page 39: ...ontrol range contact customer support Alarm Signal Power A B Laser A and or B power has degraded contact customer support Alarm Maintenance Maintenance is needed on system now Warning Data Health A B Laser A and or B goodness of fit is poor Warning Pressure Pressure is noisy Warning HD Space Disk space is low Warning Mirror Health A B Mirror health is degrading clean mirrors soon Warning Linelock ...

Page 40: ...io buttons select the rate at which data are acquired It is recommended to set the data acquisition rate between 1 Hz and 10 Hz All data sampled are written into the data file and plotted on the time chart Longer averaging periods or equivalently slower data acquisition rates yield better measurement precision than shorter averaging periods Use the Plot every Nth fit radio button to automatically ...

Page 41: ...is automatically created every 24 hours to keep data file sizes manageable Standard Data File Data files are written in text ASCII format and contain labeled columns displaying Timestamp of each recorded measurement Gas concentration Cell pressure Torr Cell temperature Celsius Ambient temperature Celsius Ringdown time microseconds The format can be changed in the Time Files menu of the Setup panel...

Page 42: ...ansfer menu Figure 35 2 Insert a USB storage device into the USB port on the side panel of the analyzer 3 Click the Mount USB button Figure 35 Figure 35 File Transfer Menu Local Hard Drive Left Pane and USB Flash Drive Right Pane 4 Transfer data files from the analyzer SSD to a USB storage device by dragging and dropping the files from the hard drive pane to the USB device pane Use the left mouse ...

Page 43: ...essage may result in loss of data 6 Click Close to exit the File Transfer menu Directory Types in Local Hard Drive The analyzer SSD contains two types of directories Daily Archive Daily Directory The local hard drive Figure 35 creates a daily folder containing new data files for each day that the analyzer operates To access the data files for a specific date double click the folder Each file from ...

Page 44: ...n archived folder containing zipped files organized by date Figure 37 To access the archived files double click the Archive folder Figure 35 Each file is a single zipped txt file using the following convention YYYY MM DD zip Each zipped file contains the data files for the day that the analyzer operated Examples of files in the archive directory are shown in Figure 37 ...

Page 45: ...ORMATION 45 Figure 37 Archive Directory File Transfer Error Screen The File Transfer Error screen Figure 38 displays when The USB key does not have enough storage space The device is not recognized Try again with a correctly inserted USB device Figure 38 File Transfer Error ...

Page 46: ...d file format Calibration Single point calibration using a known reference standard Laser Adjust Manually fine tune laser wavelength for goodness of fit GOF if necessary MIU Configure the optional Multi Port Inlet Unit Service Technicians can check on the analyzer status Serial Logger Change how data reported at the RS 232 port are configured Refer to the Serial Logger section Modbus Logger View t...

Page 47: ...t the format of data files Contents may vary depending on analyzer types Figure 40 Time Files Menu Local Time Zone The Local Time Zone menu lets you adjust the current local time zone by selecting an option from the drop down selection box Clock The Clock menu lets you manually adjust the current time and date settings File Output The File Output menu lets you adjust the timestamp format of the da...

Page 48: ...mm ss sss About The About section displays analyzer specific information such as the Current software build date Code version IP address Analyzer serial number Calibration WARNING It is not recommended for inexperienced users to perform a calibration without first contacting technical support Click the Calibration tab to access the Calibration screen This screen provides the tools to calibrate the...

Page 49: ...on for the gas type using the arrow keys in the traceable certified bottle gas menu below the Calibrate box 4 Click Start to start the calibration 5 Repeat Step 2 through 4 for all gases measured by the analyzer 6 After the calibration is complete click OK The analyzer then resumes its normal measurement mode 7 Click Close to exit the Calibration screen Figure 41 Calibration Tab Laser Adjust Click...

Page 50: ...set between absorption peaks and target lines for laser A top plot and laser B bottom plot Both lasers require adjustment To manually adjust the laser wavelength 1 Click the Setup button on the Control Bar Figure 25 2 Select the Laser Adjust tab at the top of the screen Figure 42 3 Select the Disable Laser Frequency Lock checkbox to allow manual control of the laser 4 Adjust the Laser A Voltage us...

Page 51: ...t line Figure 43 Absorption Peaks Centered Correctly on Target Lines MIU The optional Multi Port Inlet Unit MIU 8 is an ABB accessory that allows automated control of 8 inlet ports The MIU 8 directs samples of multiple unknown gases and multiple reference gases through a series of inlet ports and digitally controlled valves directly into the inlet port of the analyzer The MIU menu Figure 44 contro...

Page 52: ...ABB GLA131 Series Microportable Analyzers User Manual ABB PROPRIETARY INFORMATION 52 Figure 44 Control Menu for MIU Figure 45 shows the front panel of the eight port MIU Figure 45 MIU Front Panel ...

Page 53: ... the back panel of the MIU The outlet port connects to the gas inlet on the analyzer The MIU is shipped with one each of these accessories Control cable connects the analyzer to the MIU Power cable powers the MIU inch x 6 foot Teflon tube connects the outlet port of the MIU to the inlet port of the analyzer Figure 46 MIU Back Panel Set Up the MIU Connect the Components 1 Connect the provided power...

Page 54: ...3 3 4 4 5 5 6 6 7 7 8 8 9 Ground 3 Connect a inch Teflon tube from your gas source into one of the numbered inlet ports Repeat for multiple gases 4 When connecting the tubing push the tube into the port until you feel a click to avoid leaks in the seal 5 Connect the provided inch x 6 foot Teflon tube from the MIU outlet port to the Inlet port of the analyzer 6 Turn on the power switch on the back ...

Page 55: ...p of the Setup menu selection bar Figure 44 Figure 48 shows the Gas Manifold Control screen for the MIU not yet enabled Figure 48 Gas Manifold Control Screen for MIU Disabled 3 Check the MIU Enable box to activate the MIU setup menu 4 Populate the unknown gas valve sequence a Valve The current valve being sampled corresponds to the port number on the MIU b Seconds How long the analyzer should samp...

Page 56: ...current valve being referenced Corresponds to the port number on the MIU b Seconds How long the analyzer should reference the gas in seconds c Description Input a short text description associated with the reference gas connected to that valve 6 If you wish to run your reference gases first check the Start with reference gas valve sequence box 7 Use the arrow scroll bar to select the number of tim...

Page 57: ...ter window of the Control Bar Figure 50 The description is o Displayed on the parameter window of the Control Bar during analysis Figure 50 o Saved to a data file Figure 50 Control Bar Showing MIU Information 10 When sampling is complete disable the MIU by returning to the MIU screen then uncheck the MIU Enable box Figure 48 Service ABB trained field service engineers monitor the performance of th...

Page 58: ...rs User Manual ABB PROPRIETARY INFORMATION 58 Figure 51 Service Screen Data Output Logging Serial Logger Click the Serial Logger tab to access the Serial Logger menu in which you can change how data reported at the RS 232 port are configured ...

Page 59: ...rs OPT DATALOG Option Select which serial port s are available to stream data ICOS ANEMOMETER or MAVLINK Check the adjacent box to activate the port uncheck to de activate Serial Port Settings Use the MAVLINK ANEMOMETER and OUTPUT tabs to configure the selected serial port s that stream data Figure 52 shows the Serial Logger menu with the OUTPUT tab selected NOTE The OUTPUT tab corresponds to the ...

Page 60: ...data into the correct format for data output Raw data displays the raw data output from the device on the selected serial port Parsed Debug This panel displays the serial data stream Enable live debug check this box to enable the data stream from the port If unchecked no data appear in the table Clean debug click to clear the table of data Go to the table bottom check this box to scroll to the bot...

Page 61: ...ms and measurement o Show alarms check this box to display alarms If unchecked alarms are not displayed o Show measurements check this box to display Modbus measurements If unchecked measurements are not displayed Click Save at the bottom of the screen or Restore to return the configuration to the default setting Register Ordering The following describes the data order in the Modbus registers for ...

Page 62: ...Epoch Time each process variable occupies two holding registers to represent a floating point value Both registers must be read to properly return the process variable of interest Table 10 lists analyzer process variables registers and bit assignments Table 10 Analyzer Process Variables Variable Register Data Format Epoch Time ms 040000 Lease Significant Bit LSB 040001 040002 040003 Most Significa...

Page 63: ... 040018 LSB 040019 MSB CO2 d_ppm 040020 LSB 040021 MSB CO2 d_ppm_sd 040022 LSB 040023 MSB GasP_torr 040024 LSB 040025 MSB GasP_torr_sd 040026 LSB 040027 MSB GasT_C 040028 LSB 040029 MSB GasT_C_sd 040030 LSB 040031 MSB AmbT_C 040032 LSB 040033 MSB AmbT_C_sd 040034 LSB 040035 MSB RD0_us 040036 LSB 040037 MSB RD0_us_sd 040038 LSB 040039 MSB ...

Page 64: ...41 MSB RD1_us_sd 040042 LSB 040043 MSB Gnd 040044 LSB 040045 MSB Gnd_sd 040046 LSB 040047 MSB LTC0_v 040048 LSB 040049 MSB LTC0_v_sd 040050 LSB 040051 MSB LTC1_v 040052 LSB 040053 MSB LTC1_v_sd 040054 LSB 040055 MSB Batt_v 040056 LSB 040057 MSB Batt_v_sd 040058 LSB 040059 MSB BATT_PERCENT 040060 LSB 040061 MSB BATT_PERCENT_sd 040062 LSB ...

Page 65: ...r health alarms are stored in the coil registers and follow the standard ABB system health ordering Each alarm type consists of two coil registers the first for a warning state and the second for an alarm state The order for alarms is shown in Table 11 Table 11 System Warning and Alarm Coil Register Configuration Health Event Warning Register Alarm Register Description Reserved 00000 00001 Reserve...

Page 66: ...sition is outside of control range Signal Power A 00020 00021 Laser A power has degraded Signal Power B 00022 00023 Laser B power has degraded Cyclic Redundancy Check No cyclic redundancy check CRC is included in the returned data frame because error checking functionality is provided by the TCP IP encapsulation Security Click Setup on the Control Bar then click the Security tab to access the Secu...

Page 67: ... SSH password Change the Samba Share password Add and delete users and assign to groups Change VNC Server Password To change the VNC server password perform the following 1 From the Setup screen click the Security tab 2 Click Remote Login VNC The dialog box shown in Figure 56 appears NOTE The VNC server is disabled by default because transfer via VNC is not secured However authentication credentia...

Page 68: ...ng the connection to the VNC Server will not be encrypted Figure 57 VNC Server Warning Message 4 To proceed click Yes The VNC server is enabled and you can connect to the analyzer via the VNC interface You can also disable the connection see Figure 58 Figure 58 VNC Server Enabled 5 Click Change VNC Password The Change VNC Password dialog box appears ...

Page 69: ...word To change the SSH password perform the following 1 From the Setup screen click the Security tab 2 Click Secure Shell Transfer SSH The Change SSH Password dialog box appears Figure 60 Change SSH Password Dialog Box 3 Enter the current SSH password in the Current Password field The default SSH password is 3456789 NOTE The SSH password is the same as the lgr password If you change the SSH passwo...

Page 70: ...ata The Change Samba Password dialog box appears Figure 61 Change Samba Password Dialog Box 3 Enter the lgr Password The default lgr password is 3456789 4 Enter the new password in the New Samba Password field 5 Re enter the new password in the Confirm New Password field 6 Click Change Password Manage User Accounts User Levels The analyzer is shipped with one Admin user lgr which cannot be deleted...

Page 71: ...up Exit Setup Panels Time Files Calibration Laser Adjust MIU Analog Output Serial Logger Service Bluetooth Daemon Security Security Panel Change VNC password Change SSH password Change Samba password User account management Clean ICOS data decommission Changeable Read Only Not Accessible The lgr user and users belonging to the Admin and Service groups can add new users and delete users using the G...

Page 72: ...lick the Security tab 2 Click Group User Account The Users dialog box shown in Figure 62 appears Figure 62 Group User Dialog Box 3 Click Add User The Add User dialog box shown in Figure 23 appears 4 Enter a username in the User Name field 5 Enter a password in the Password field 6 Re enter the new password in the Confirm Password field 7 Select a group from the Group Name drop down menu Admin Serv...

Page 73: ... are in the User group instead of the Admin or Service group a dialog box Figure 24 appears and you must cancel the action Set ICOS Default Data The Set ICOS Default Data feature removes all measurement data and created users and disables the VNC server This feature may be applicable when the analyzer is decommissioned or released from active service This feature requires the lgr user Linux accoun...

Page 74: ...inux password is 3456789 4 Click Clear Data The message shown in Figure 64 appears Figure 64 Clear ICOS Data Message 5 Click Yes Analyzer Shutdown To properly shut down the analyzer perform a soft shutdown by first selecting Exit on the Control Bar When the dialog box appears with the question Do you wish to shutdown see Figure 65 click OK Figure 65 Shutdown Dialog Box ...

Page 75: ... the analyzer itself must be performed only by certified service personnel trained on servicing this instrument User adjustments inside the analyzer are not necessary or recommended by the manufacturer Basic Service Procedure WARNING Only ABB certified maintenance personnel may unlock and open the analyzer housing or perform internal maintenance Before servicing the analyzer perform the following ...

Page 76: ...Guard Accessory Kit Part number ACC MICROGUARD Turns a Microportable into a MicroGuard Portable Gas Leak Detection System Contact factory Power Accessories Battery part number ACC MICRO B Dockstation battery charger ACC MICRO BC Microportable external battery charger part number ACC MICRO BC Power supply brick part number ACC MICRO AC External battery case part number ACC DCMICRO NOTE No battery i...

Page 77: ...uld be indicative of dirty mirrors Log the analyzer pressure Any decrease in pressure could be indicative of an obstruction in the flow system An increase in pressure could be indicative of a leak in the system or a pump failure Every 3 6 days Check the laser offset and adjust if necessary Figure 42 and Figure 43 Recommended Maintenance The recommended maintenance is ICOS mirror cleaning Inline pa...

Page 78: ...gure 66 Current Disk Space Available Should the analyzer shut down without a soft shutdown the operating software may get corrupted and make the analyzer non functional You can monitor the internal lithium ion battery energy level by checking the Control Bar The lithium ion battery contains a protective PCB to prevent over charging and over discharge to prevent damage to the battery The lithium io...

Page 79: ...igure 4 3 Unplug the battery connector 4 Holding the battery in place unscrew the captive Phillips screw securing the battery faceplate 5 Rotate the faceplate downward 6 Remove the battery from the case ensuring not to damage other components 7 Inspect the new battery for damage or bulging 8 Place the new battery inside the faceplate and rotate the faceplate up 9 Secure the faceplate to the batter...

Page 80: ...e at auto parts stores Battery input fuse automotive 5 A 32 V DC blade ATO ATC color tan see Figure 68 Power input fuse automotive 10 A 32 V DC blade ATO ATC color red see Figure 69 Figure 68 5 A Fuse Figure 69 10 A Fuse To replace a fuse 1 Power down the analyzer 2 Disconnect the analyzer Swagelok inlet and outlet exhaust gas lines 3 Disconnect the analyzer power plug 4 Move the analyzer to a tab...

Page 81: ...rtable Analyzers User Manual ABB PROPRIETARY INFORMATION 81 Figure 70 Analyzer Fuse Locations 7 Remove the fuse from the fuse fixture Pull the cover off then slide the fuse out Figure 71 shows the fuses with the covers removed ...

Page 82: ...e 71 Fuses with Fuse Covers Removed 8 Insert the new fuse into the fuse fixture then attach the fuse cover 9 Close the analyzer case cover 10 Move the analyzer back to the original location 11 Re connect the analyzer power plug 12 Re connect the inlet and outlet exhaust lines to the analyzer ...

Page 83: ...e shape function of the transition at frequency v In this case Equation 2 𝝓 𝒗 𝒅𝒗 𝟏 If the laser line width is much narrower than the width of the absorption feature high resolution absorption spectra may be recorded by tuning the laser wavelength over the probed feature Integration of the measured spectra with the measured values of Gas temperature Gas pressure Path length Line strength of the pro...

Page 84: ... the effective optical path length is 2 500 m 8 202 ft Because the path length depends only on optical losses in the cavity and not on a unique beam trajectory such as conventional multi pass cells or cavity ringdown systems the optical alignment is very robust to allow reliable operation in the field The effective optical path length is determined routinely by simply switching the laser off and m...

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