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PICARRO G2203 User Manual
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PICARRO G2203 User Manual

Analyzer for ch4/c2h2
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G2203 Analyzer for CH
/C
H
4
2
2
User Manual
Picarro, Inc.
3105 Patrick Henry Drive
Santa Clara, CA 95054, USA
Phone: +1 408 962 3900
www.picarro.com
Document Number 40016 Rev. E

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Summary of Contents for PICARRO G2203

  • Page 1 G2203 Analyzer for CH User Manual Picarro, Inc. 3105 Patrick Henry Drive Santa Clara, CA 95054, USA Phone: +1 408 962 3900 www.picarro.com Document Number 40016 Rev. E...
  • Page 2 NOTICES DISCLAIMER AND RESERVATION OF RIGHTS Picarro has prepared this manual solely for the information and use by its customers as a guide for the selection, installation, operation, and maintenance of the products described.
  • Page 3 Customer Service: Email: orders@picarro.com Phone: +1 408 962 3992 © 2020 Picarro, Inc. All rights reserved. 3105 Patrick Henry Drive Santa Clara, California, 95054USA Phone +1 408 962 3900 • Fax +1 408 962 3200 www.picarro.com G2203 Analyzer User Manual...
  • Page 4 7.3 Connecting to the Analyzer Inlet ............25 7.4 Setting Up a Monitor, Keyboard, and Mouse ......... 26 8. BASIC OPERATION 8.1 Startup ....................27 8.2 Shutdown Procedure ................29 8.3 In case of an Electrical Power Outage ..........30 P/N 40016-Rev E G2203 Analyzer User Manual...
  • Page 5 12.5 Setup Tool ................... 43 13. CALIBRATION 13.1 Method 1: Using the GUI to Calibrate ..........51 13.2 Method 2: Using the “Picarro Data Recalibration Tool” to Calibrate ..53 14. TROUBLESHOOTING 14.1 Power LED on Analyzer Does Not Illuminate ........55 14.2 User Interface Program Does Not Start ..........
  • Page 6 C.3 Setting up Solenoid Valves ..............69 C.4 Setting Up Rotary Selector Valve ............69 C.5 Valve Sequencer Software ..............70 C.6 Configuring a Valve Sequence ............. 70 C.7 Loading and Running a Saved Sequence ..........71 P/N 40016-Rev E G2203 Analyzer User Manual...
  • Page 7 Spectroscopy (CRDS), on the other hand, is one thousand to one million more times sensitive. In Picarro analyzers, light from a single-frequency laser enters a cavity where three mirrors reflect the laser light as seen in Figure 1. The light...
  • Page 8 A cavity containing gas that absorbs light will have a shorter ring- down time than an empty cavity. As the light circulates in a cavity with a gas sample, the molecular absorption by the gas results in a decrease of the light intensity. P/N 40016-Rev E G2203 Analyzer User Manual...
  • Page 9 Determining absorption intensity at a specific wavelength requires comparing the ring-down time of an empty cavity to the ring-down time of a cavity that contains gas. Picarro instruments gather measurements from an “empty” cavity by switching the light to wavelengths that are not absorbed by the target molecules.
  • Page 10 1.4 Spectral Precision and High Sensitivity Measurements Picarro analyzers contain two features that provide high spectral precision: ▪ Proprietary wavelength monitor (WLM) that measures the absolute laser wavelength to a precision that is a few orders of magnitude narrower than the spectral linewidth: Picarro’s patented...
  • Page 11 For precise pressure control, the cavity pressure is monitored using a high- linearity pressure transducer. The system computer uses this pressure data in a feedback loop to control proportional valves that adjust the inlet and outlet gas flow of the cavity. G2203 Analyzer User Manual P/N 40016-Rev E...
  • Page 12 LASER WARNING alerts you of a laser danger. WARNING CAUTION alerts you of a potential danger to equipment or to the user. CAUTION REMINDER is a helpful hint to procedures listed in the text. REMINDER P/N 40016-Rev E G2203 Analyzer User Manual...
  • Page 13 Cavity Ring-Down Spectroscopy Graphical User Interface centimeters millimeters ” (as in 1/4”) Inches Acetylene Methane Water Ammonia Carbon Dioxide Hotbox Warm box Parts Per Million Parts Per Billion ‰ per mil °C degrees Celsius G2203 Analyzer User Manual P/N 40016-Rev E...
  • Page 14 4. SAFETY 4.1 General Safety CDRH Certification This Picarro Analyzer complies with 21 CFR Chapter 1, sub-chapter J, and is classified as a Class 1 laser system when all panels and covers are on. CE Certification This Picarro Analyzer complies with the European standards and the instrument is affixed with a CE label.
  • Page 15 WARNING laser safe service area using appropriate laser-safety glasses. The following Laser Safety Label is affixed to the inside of the analyzer: G2203 Analyzer User Manual P/N 40016-Rev E...
  • Page 16 Figure 4: Laser Safety Label Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure. WARNING P/N 40016-Rev E G2203 Analyzer User Manual...
  • Page 17 5. UNPACKING THE ANALYZER 5.1 Inspect the Shipping Boxes Picarro products are inspected and tested before leaving the factory. Their packing containers have been designed to keep the equipment safe from damage during transit. Inspect the condition of the boxes upon arrival. The larger box includes the analyzer and most of the accessories.
  • Page 18 For External Solenoid Valves Nut (1) and Ferrules (2) For connecting input line to analyzer INPUT Document Packet (1) Includes this manual, certificate of compliance, and Windows License. USB Flash Drive Contains backup software. P/N 40016-Rev E G2203 Analyzer User Manual...
  • Page 19 A/C Power A power cable with connectors appropriate to your Cable (1) country is provided. Vacuum Hose (1) Hose to connect the pump to the analyzer. Pump Manual (1) Detailed instructions for pump. G2203 Analyzer User Manual P/N 40016-Rev E...
  • Page 20 6. ANALYZER OVERVIEW 6.1 Intended Use The G2203 Analyzer measures concentrations of CH precisely using Picarro’s patented Cavity Ring-Down Spectroscopy (CRDS) technology. The analyzer can be deployed in a lab or in the field, allowing in-situ analysis for both trace and ambient amounts of CH monitoring applications.
  • Page 21 120 W (Analyzer), 150 W (Pump) Steady-state operation Mains Supply Voltage ±10% of the nominal voltage Fluctuation Minimum Rated Circuit 10 A @115 VAC Amperage 5 A @230 VAC Liquid Ingress Protection None G2203 Analyzer User Manual P/N 40016-Rev E...
  • Page 22 7. INSTALLATION This section describes the setup and installation of the Picarro Analyzer. Please read and understand this section thoroughly before proceeding with the installation. Using this analyzer in a manner not specified by Picarro may result in damage to the analyzer and render it unsafe to operate.
  • Page 23 Place the Analyzer on a bench top or flat surface. Place the External Vacuum Pump near-by or on the floor. Don’t push the analyzer into position yet, there are cables to be installed on the back panel. G2203 Analyzer User Manual P/N 40016-Rev E...
  • Page 24 Connect the analyzer to a power source using the supplied AC power cable. Use the AC power cables supplied with the analyzer or a similarly rated cable. Check with Picarro technical support if you have questions about power cable replacement. An inadequately rated power cable can result CAUTION in equipment damage.
  • Page 25 WARNING Making a New Connection: When using new tubing, follow these steps. Place the two ferrules inside the nut as shown. Figure 7: Orientation of ferrules and G2203 Analyzer User Manual P/N 40016-Rev E...
  • Page 26 Connect a monitor to one of the DVI monitor ports. The analyzer will detect the connection and adjust the resolution to match the monitor. Connect the monitor to a power source. Turn on power to the monitor. P/N 40016-Rev E G2203 Analyzer User Manual...
  • Page 27 Graphical User Interface (GUI). The GUI will look like the image below. A full explanation of the GUI functions can be found in Section 11. Example layout of the Picarro analyzer GUI, G2000 series. The heading of the window may be different depending on the type of the analyzer.
  • Page 28 Overview generalized schematic of Picarro analyzer system hardware, software, and data file generation. The samples A, B, and C are introduced into the analyzer sequentially by a sampling module, if present. The sampling module could be a set of customer- supplied valves, a valve manifold, a discrete sampling module, or other device.
  • Page 29 FOR G2xxxx ANALYZERS: If you have trouble turning off the analyzer software, do not kill the process(es) in the task manager; rather, double-click on the "Stop Instrument" icon in the CAUTION Diagnostics folder on your desktop. G2203 Analyzer User Manual P/N 40016-Rev E...
  • Page 30 If the power to the analyzer is cut-off for any reason, the analyzer will cease operation. However, when the power is reapplied, the analyzer will restart automatically. The Picarro software tools will also properly close out previous files and open new files for data collection so that previously collected data, instrument diagnostics, and other parameters recorded up to the time of power outage are retained.
  • Page 31 (such as individual gas bags) or measure from multiple locations. Picarro Mode Switcher: When clicked, you will be led to a window which will allow you to switch between various measurement modes. You can also use this window to start the analyzer.
  • Page 32 (typically 12VDC <1A max). It is important to electrically isolate the solenoid valves from the CAUTION analyzer’s ground to avoid electrical interference which could compromise the analyzer’s accuracy. P/N 40016-Rev E G2203 Analyzer User Manual...
  • Page 33 Pressure Stabilizing/Locked The valve control system begins to allow flow through the analyzer and stabilizes the pressure inside the cavity. Measuring This is the normal mode of operation after startup has completed. G2203 Analyzer User Manual P/N 40016-Rev E...
  • Page 34 11. LIST OF GUI FUNCTIONS The Picarro analyzer GUI has useful features. See below for more information. Layout of the Picarro analyzer GUI, G2000 series. The heading of the window may be different depending on the type of the analyzer.
  • Page 35 Tools Menu This menu item has three entries: 1. User Calibration: Opens the user calibration window (default password is “picarro”). The password can be reset in the QuickGui.ini file in the instrument directory: “C:\Picarro\G2000\AppConfig \Config\QuickGUI\” under the section: 2. [Authorization] UserCalPassword = Picarro Show/Hide Valve 3.
  • Page 36 “File Management”. In addition, the user can record a separate data log file. Press this button if you would like the instrument to start recording a separate data file. A dialog box will P/N 40016-Rev E G2203 Analyzer User Manual...
  • Page 37 4 digits of precision or “auto”. The currently selected precision is displayed during operation. This does not affect the precision of the saved data in the data log files or results files. G2203 Analyzer User Manual P/N 40016-Rev E...
  • Page 38 ‘View’ menu. 11.13 Cavity Ring-Down Spectrometer Controller On your desktop, there is an icon labeled “Picarro Controller.” Clicking on this icon will open up a useful diagnostics panel (see image below), allowing the user to see the analyzer’s internal temperatures, pressure,...
  • Page 39 Cavity Ring-Down Spectrometer Controller Window G2203 Analyzer User Manual P/N 40016-Rev E...
  • Page 40 Naming Convention: See example below. ▪ CFHADS2007-20111222-000131-DataLog_User.dat ▪ CFHADS: Instrument Serial Number ▪ 20111222: Year, Month, date of when file was started. ▪ 000131: Hour, Minute, second of when file was started (Using a 24 hour clock). P/N 40016-Rev E G2203 Analyzer User Manual...
  • Page 41 This information is generally not useful to the user, but it can be useful for diagnostic purposes. For more information, please contact Picarro. Location: C:\Picarro\G2000\Log\Archive\DataLog_Private\Year\Month\Day G2203 Analyzer User Manual P/N 40016-Rev E...
  • Page 42 The analyzer can automatically compress (zip) and archive old files as mentioned above. This operation is controlled by the ini file: C:\Picarro\G2000\ AppConfig\Config\Archiver\Archiver.ini. For each file type, there are various items along with some recommended default settings which may vary by file type: •...
  • Page 43 Specifies how long to keep files prior to deletion. 12.5 Setup Tool In the desktop folder called Picarro Utilities, the Setup Tool can be launched by double clicking on its icon. The tool allows the user to configure data file saving details, including which data elements are written to data files, digital data output (via serial port or TCP/IP), remote data delivery (via email), and general GUI properties.
  • Page 44 Total User Log Storage Size (GB): Specifies the size of storage allowed for User Data (Recent Data). After making the appropriate edits, click “Apply” to put changes into effect and then “Exit” to close the window. P/N 40016-Rev E G2203 Analyzer User Manual...
  • Page 45 After making the appropriate edits, click “Apply” to put changes into effect and then “Exit” to close the window. See below to learn more about Serial Communication in Picarro Analyzer, and also see “External Valve Sequencer” section of this manual to learn more about valve sequencer.
  • Page 46 Subject: subject line of the email. Data Directory: Location of the data you want email. After making the appropriate edits, click “Apply” to put changes into effect and then “Exit” to close the window. P/N 40016-Rev E G2203 Analyzer User Manual...
  • Page 47 3. Click “Apply” to put changes into effect and then “Exit” to close the window. You should now be able to access the “Show/Hide Valve Sequencer GUI” menu from the main GUI under “Tools” G2203 Analyzer User Manual P/N 40016-Rev E...
  • Page 48 G2311-f analyzers). To output data, the Command Interface needs to be sent commands to. After making the appropriate edits, click “Apply” to put changes into effect and then “Exit” to close the window. P/N 40016-Rev E G2203 Analyzer User Manual...
  • Page 49 Data Streaming outputs data continuously, whereas the Command Interface needs commands to output data. After making the appropriate edits, click “Apply” to put changes into effect and then “Exit” to close the window. G2203 Analyzer User Manual P/N 40016-Rev E...
  • Page 50 Customizing Analog Output Channels The Picarro analyzer may be optionally configured with an Electrical Interface Card (EIC) that provides up to 8 analog signals available to the user for monitoring various measurements results and analyzer parameters. The ELECTRICAL INTERFACE tab allows you to customize each analog output channel.
  • Page 51 Method 1. 13.1 Method 1: Using the GUI to Calibrate Since the Picarro Analyzer is extremely linear, it is only necessary to use three calibration standards to calibrate each gas or isotopic species (two points define the calibration line and a third intermediate point is used for verification).
  • Page 52 Calibration values are input into the software by selecting the “User Calibration” from the Tools menu and entering the slope and intercept for each species. This is a password-protected function, with the default password “picarro” and can be changed by modifying an *.ini file as previously described. User Calibration Window...
  • Page 53 To return to the factory calibration, simply set the slope to 1 and the intercept to 0 for each species. 13.2 Method 2: Using the “Picarro Data Recalibration Tool” to Calibrate This tool can be used after you have performed the calibration measurements of standards with your Picarro analyzer.
  • Page 54 After clicking on “Apply New Cal” in the previous window, the window on the left will pop up. The default user Calibration Password is “Picarro.” Click “OK” to continue. Take note that this action cannot be undone from the “Picarro Data Recalibration Window,”...
  • Page 55 The corresponding step-by-step procedures provide resolution in most cases. If, after attempting these procedures, the problem remains unresolved, please contact Picarro Customer Service at (408) 962-3900 or techsupport@picarro.com. 14.1 Power LED on Analyzer Does Not Illuminate Context: Turning on the analyzer by momentarily depressing its front panel power switch should apply power.
  • Page 56 2. If the computer does not respond to the mouse, hold down the power switch on the front panel for a few seconds until the computer and the instrument turn off. After another few seconds, restart the analyzer by momentarily depressing the power button. P/N 40016-Rev E G2203 Analyzer User Manual...
  • Page 57 Particulate Filter: There are two in-line, sub-micron particulate filters before the measurement cavity. The first is user-replaceable and replacement filters can be purchased from Picarro and installed by the user. It is important to NEVER remove the filter that is directly attached to the cavity.
  • Page 58 Foam Retaining covering filter Bulkhead Retaining Nut loosened 4. Slide the filter cover (with foam on top and side) towards the right side of the analyzer to remove it. P/N 40016-Rev E G2203 Analyzer User Manual...
  • Page 59 Loosen here. this nut Filter cover removed 6. Slide the filter and bulkhead slightly towards the back of the analyzer and lift out. Filter and bulkhead slid slightly towards back of DAS G2203 Analyzer User Manual P/N 40016-Rev E...
  • Page 60 The arrow on the filter needs to point away from the bulkhead fitting. 2. Using the 9/16” and 11/16” wrenches, reposition the filter and bulkhead fitting, and reattach to the tube section. New filter attached to bulkhead fitting P/N 40016-Rev E G2203 Analyzer User Manual...
  • Page 61 5. With the 1.5mm hex driver, reattach the analyzer top with 3 screws on each side. 15.4 Cleaning Clean the outside of the analyzer with a clean dry cloth. Only certified service technicians should access or clean the inside of the analyzer. G2203 Analyzer User Manual P/N 40016-Rev E...
  • Page 62 Product specifications for twelve (12) months from shipment. This warranty is the only warranty made by Picarro with respect to its Products and no person is authorized to bind Picarro for any obligations or liabilities beyond this warranty in connection with its Products.
  • Page 63 The following warranty conditions shall apply to all Picarro, Inc. products unless amended by a written instrument signed by a duly authorized officer of Picarro: ADJUSTMENT – No electrical, mechanical or optical adjustments to the product(s) are permitted. PARTS AND LABOR - New or factory-built replacements for defective parts will be supplied for twelve (12) months from date of shipment of the product.
  • Page 64 Programming Guide (included in pdf format on the installation CD) and Section 12.5 of this manual. This command set may also be used across a TCP/IP interface through an Ethernet connection. Please contact Picarro for further details. A.2 Remote Data Access Configuration Using the RemoteAccess.ini file, the analyzer can be configured to...
  • Page 65 RFC2554. If such authentication is not needed, the key UseAuthentication is set to false. If this key is set to true, two additional keys Username and Password must also be specified for the e-mail account. G2203 Analyzer User Manual P/N 40016-Rev E...
  • Page 66 Example of “RemoteAccess.ini” File [LOGGING] Logfile=c:/temp/RemoteAccessLog [NTP] Server1=time-a.nist.gov Server2=time-b.nist.gov Server3=time-a.timefreq.bldrdoc.gov Server4=time-b.timefreq.bldrdoc.gov Server5=time-c.timefreq.bldrdoc.gov Server6=time.nist.gov Server7=time-nw.nist.gov UpdateClock=1 [DIALUP] ConnectionName=Picarro Dialup Access Username=user Password=password Number=14085551212 [EMAIL] Server=smtp.servername.org Directory=c:/picarro/mailbox From=instrument@picarro.com To1=recipient1@site1.com To2=recipient2@site2.com Subject=CRDS data from Silverstone instrument UseAuthentication=0 P/N 40016-Rev E G2203 Analyzer User Manual...
  • Page 67 In the graph window, you can select any of the data columns in the file, autoscale, zoom, hide/show points, and calculate statistics of data within the graph window. If you have any questions, please contact Picarro or refer to Picarro Community for more information. http://www.picarro.com/community/...
  • Page 68 The Picarro valve sequencer window appears as below: External Valve Sequencer GUI C.1 Introduction The Picarro analyzer can control two types of valves: 1. Solenoid valve(s): DC voltage powered valve with normally open (NO) and normally closed (NC) positions. These can be either 2-way or 3- way valves.
  • Page 69 C.2 Default Configuration For all models of Picarro analyzers the rotary valve control is disabled in the factory default setting. The solenoid valve control, however, are ready to use by default for all solenoid valve connectors. C.3 Setting up Solenoid Valves Up to six solenoid valves can be controlled by the Valve Sequencer software.
  • Page 70 Create the number of desired steps in the sequence by clicking the up/down arrow for “steps”. P/N 40016-Rev E G2203 Analyzer User Manual...
  • Page 71 If enabled, the sequence will continue to run after the “close sequencer window” button is pressed. If desired, the valve sequence can be forwarded to the next step of the sequence by pressing the “run next step” button. To stop the sequencer G2203 Analyzer User Manual P/N 40016-Rev E...
  • Page 72 These codes can be used as event timing flags. For example, if no solenoid valves are present, the codes will be recorded regardless of whether a valve is connected or not. P/N 40016-Rev E G2203 Analyzer User Manual...