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PICARRO G2311-f User Manual
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PICARRO G2311-f User Manual

10hz co2/ ch4/h2o analyzer for eddy covariance flux
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G2311-f 10Hz CO
/ CH
/H
O
2
4
2
Analyzer for Eddy Covariance Flux
User Manual
Picarro, Inc.
3105 Patrick Henry Drive
Santa Clara, CA 95054, USA
Phone: +1 408 962 3900
www.picarro.com
Document Number 40020 Rev. D

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Summary of Contents for PICARRO G2311-f

  • Page 1 G2311-f 10Hz CO / CH Analyzer for Eddy Covariance Flux User Manual Picarro, Inc. 3105 Patrick Henry Drive Santa Clara, CA 95054, USA Phone: +1 408 962 3900 www.picarro.com Document Number 40020 Rev. D...
  • 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 ® Windows is a trademark of Microsoft Corporation ® Swagelok is a trademark of Swagelok Company Copyright © 2020 Picarro, Inc. All rights reserved G2311-f Analyzer User Manual P/N 40020-Rev D...
  • Page 4 +31 85 888 1650 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 P/N 40020-Rev D...
  • Page 5 Table of Contents PICARRO ANALYZER USER MANUAL................ 2 CONTACT INFORMATION .................... 4 TABLE OF CONTENTS ....................4 1. INTRODUCTION TO TECHNOLOGY ................ 8 1.1 Cavity Ring-Down Spectroscopy (CRDS) .............. 8 1.2 Relating Ring-Down Time to Absorption Intensity ..........9 1.3 Converting Absorption Intensity to Concentration ..........10 1.4 Spectral Precision and High Sensitivity Measurements ........
  • Page 6 11.3 Setup Tool ......................46 12. CALIBRATION ....................... 54 12.1 Method 1: Using the GUI to Calibrate ..............54 12.2 Method 2: Using the “Picarro Data Recalibration Tool” to Calibrate ....57 13. CAVITY RING-DOWN SPECTROMETER CONTROLLER ........59 14. TROUBLESHOOTING.................... 60 14.1 Power LED on Analyzer Does Not Illuminate .............
  • Page 7 ANALYZER ........................81 CONFIGURING OPTIONAL ANALOG SIGNAL OUTPUT ....86 E.1 Overview: ......................86 E.2 Configuration ....................... 87 SPECIFICATIONS ................88 F.1 Absolute Maximum Ratings ................. 88 F.2 Sample Gas Requirements .................. 88 G2311-f Analyzer User Manual P/N 40020-Rev D...
  • Page 8 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 9 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. G2311-f Analyzer User Manual P/N 40020-Rev D...
  • Page 10 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 11 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 12 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. P/N 40020-Rev D G2311-f Analyzer User Manual...
  • Page 13 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 G2311-f Analyzer User Manual P/N 40020-Rev D...
  • Page 14 Cavity Ring-Down Spectroscopy Graphical User Interface centimeters millimeters ” (as in 1/4”) Inches Methane Carbon Dioxide Water Hydrogen Sulfide Ammonia Hotbox Warm box Parts Per Million Parts Per Billion ‰ per mil °C degrees Celsius P/N 40020-Rev D G2311-f Analyzer User Manual...
  • Page 15 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 16 EN 60825-1:2014. Do not to open the enclosure where this label is placed; there are no user serviceable parts inside. WARNING The following Laser Safety Label is affixed to the outer cover of the analyzer. P/N 40020-Rev D G2311-f Analyzer User Manual...
  • Page 17 The following Laser Safety Label is affixed to the inside of the analyzer: 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 G2311-f Analyzer User Manual P/N 40020-Rev D...
  • Page 18 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 19 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. G2311-f Analyzer User Manual P/N 40020-Rev D...
  • Page 20 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. P/N 40020-Rev D G2311-f Analyzer User Manual...
  • Page 21 6. ANALYZER OVERVIEW 6.1 Intended Use The G2311-f Analyzer measures concentrations of CO O 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 CO monitoring applications.
  • Page 22 120 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 P/N 40020-Rev D G2311-f Analyzer User Manual...
  • Page 23 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. WARNING Do not attach electrical power to, or start the analyzer until after attaching and turning on the External Vacuum Pump.
  • Page 24 2. 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. P/N 40020-Rev D G2311-f Analyzer User Manual...
  • Page 25 7. 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 26 Figure 7: Orientation of ferrules and 2. Loosely connect the nut to the INLET on the back panel of the analyzer about a full turn, being careful not to let the ferrules fall out. P/N 40020-Rev D G2311-f Analyzer User Manual...
  • Page 27 3. Connect a monitor to one of the DVI monitor ports. The analyzer will detect the connection and adjust the resolution to match the monitor. 4. Connect the monitor to a power source. 5. Turn on power to the monitor. G2311-f Analyzer User Manual P/N 40020-Rev D...
  • Page 28 • Controller- Instrument diagnostics and service information • Picarro Mode Switcher- Restarts analyzer in different measurement mode. Most analyzer models are configured for one mode and may not include the Mode Switcher. (Figure 1). If the analyzer has multiple modes, this allows the user to switch between them easily.
  • Page 29 Figure 2 - Layout of the Picarro analyzer GUI, G2000 series. A full explanation of the GUI functions can be found in Section 10 Data will be saved automatically once the analyzer starts to produce data. The data in the GUI is the continuous real time read out from the analyzer. A user relevant subset of this data is stored in C:\Userdata\DataLog_User \YYYY\MM\DD, where Y=year, M=month, D=day.
  • Page 30 Figure 3 - 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 31 “Stop Instrument” icon in the Diagnostics folder on your CAUTION desktop. Figure 4 – Shutdown confirmation pop-up dialog G2311-f Analyzer User Manual P/N 40020-Rev D...
  • Page 32 If short power outages will be a routine operating environment, Picarro recommends use of a power conditioning and/or uninterrupted power supply that will work to prevent the more damaging operating system and software corruption problems that can occur with repeated crashes.
  • 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. G2311-f Analyzer User Manual P/N 40020-Rev D...
  • Page 34 10. LIST OF GUI FUNCTIONS 10.1 GUI Tools and Information The Picarro analyzer GUI has several buttons and features as labeled in Figure 1. Data Data windows windows Settings, Settings, tools and tools and help menus help menus Alarm Panel...
  • Page 35 See ‘Instrument Status’, below. Tools Menu This menu item has three entries: 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:...
  • Page 36 ‘View’ menu, the mean, standard deviation and slope of the data in the graph is dynamically calculated and indicated below the digital concentration readout. These numbers change to reflect statistics of whatever data is in the data window. P/N 40020-Rev D G2311-f Analyzer User Manual...
  • Page 37 These two menus enable selection of the data stream that is viewed in the data window. Data streams available on the GUI are gas concentrations, if ‘instrument Analysis’ (where instrument represents the system installed) is selected, or if “sensors” is selected, the analyzer’s optical cavity pressure G2311-f Analyzer User Manual P/N 40020-Rev D...
  • Page 38 This buffer is empty upon instrument startup, and can also be emptied by pressing the reset data buffer button in the lower-right-hand corner of the GUI. 10.14 Graph Zooming P/N 40020-Rev D G2311-f Analyzer User Manual...
  • Page 39 ‘View’ menu. 10.15 Switching Between Measurement Modes The “Picarro Mode Switcher” allows the user to operate the analyzer in various “Flux” modes or in the “High Precision” mode. Switching between measurement modes is accomplished with a few easy steps: 1.
  • Page 40 4. Confirm your selection when prompted by the confirmation dialog box: 5. The analyzer software will then re-start in the new measurement mode. There is no need to turn the vacuum pump off during this process. P/N 40020-Rev D G2311-f Analyzer User Manual...
  • Page 41 10.16 Explanation of Different Measurement Modes The G2311-f analyzer can switch between five measurement modes. The measurement modes are outlined in the table below. G2311-f Measurement Modes Measurement Mode Measured Gas Species Data Rate Gas Flow Rate Flux + CH...
  • Page 42 Final Note: If the user turns the system off or if a power failure causes the system to re-boot, the analyzer will re-start in the measurement mode in which it was NOTE last operating. P/N 40020-Rev D G2311-f Analyzer User Manual...
  • Page 43 There is a similar directory (C:\UserData\DataLog_Sync\...) which includes data that is evenly spaced in time at the data rate of the analyzer. File Deletion File deletion frequency and details can be modified in the file: C:\Picarro\G2000\AppConfig\Config\Archiver\Archiver.ini Data Directories G2311-f Analyzer User Manual P/N 40020-Rev D...
  • Page 44 C:\Picarro\G2000\Log\Archive\DataLog_Private \[year]\[month]\[day]\[hour] Current Data File The current data file can be found in C:\Picarro\G2000\Log\DataLogger\. Within this directory, there are subdirectories for DataLog_Private, DataLog_User, and DataLog_User_Sync. Similarly, the archive directory has subdirectories arranged by file type. The subdirectories are further organized by \[year]\[month]\[day]\[hour].
  • Page 45 StorageMode = FIFO First in first out. Specifies that old data is deleted first. • Quantum = 4 Generally should not be changed. Specifies the files be sorted by year\month\day\hour in the archived directory structure. G2311-f Analyzer User Manual P/N 40020-Rev D...
  • Page 46 Specifies how long to keep files prior to deletion. 11.3 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 47 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. G2311-f Analyzer User Manual P/N 40020-Rev D...
  • Page 48 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 49 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. G2311-f Analyzer User Manual P/N 40020-Rev D...
  • Page 50 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” P/N 40020-Rev D G2311-f Analyzer User Manual...
  • Page 51 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. G2311-f Analyzer User Manual P/N 40020-Rev D...
  • Page 52 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. P/N 40020-Rev D G2311-f Analyzer User Manual...
  • Page 53 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 54 Method 1. 12.1 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 55 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. G2311-f Analyzer User Manual...
  • Page 56 After the calibration is entered, it will take effect immediately after clicking “OK.” To return to the factory calibration, simply set the slope to 1 and the intercept to 0 for each species. P/N 40020-Rev D G2311-f Analyzer User Manual...
  • Page 57 12.2 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. The Picarro Data Recalibration (“Data Recal”) software can be found in the “Picarro Utilities”...
  • Page 58 You have now calibrated your analyzer. The next time you do any sample measurement, the measurements will be based on the new calibration setting. P/N 40020-Rev D G2311-f Analyzer User Manual...
  • Page 59 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, and spectroscopy in real time. This program has user-accessible functions, but cannot change anything related to analyzer functionality and is intended for diagnostics purposes only.
  • Page 60 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) 962-3990 or support@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 61 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. G2311-f Analyzer User Manual P/N 40020-Rev D...
  • Page 62 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 63 (about 1 full turn should be enough). Foam Retaining Nut 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. G2311-f Analyzer User Manual P/N 40020-Rev D...
  • Page 64 11/16” wrench here. Loosen 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 P/N 40020-Rev D G2311-f Analyzer User Manual...
  • Page 65 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 G2311-f Analyzer User Manual P/N 40020-Rev D...
  • Page 66 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. P/N 40020-Rev D G2311-f Analyzer User Manual...
  • Page 67 When shipping or relocating the analyzer, it is important to protect it from mechanical shocks. Failure to do so can compromise its performance. When shipping the analyzer, use its original CAUTION packaging only. G2311-f Analyzer User Manual P/N 40020-Rev D...
  • Page 68 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 69 Picarro. 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.
  • Page 70 RETURN PROCEDURE - Customers must obtain a Return Merchandise Authorization Number from Picarro, Inc. prior to returning units. Products being returned for repair must be shipped in their original shipping cartons to avoid damage.
  • Page 71 Programming Guide (included in pdf format on the installation CD). 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 automatically: 1.
  • Page 72 RFC2554. If such authentication is not needed, the key UseAuthentication is set to false. If this key is set to true, two additional P/N 40020-Rev D G2311-f Analyzer User Manual...
  • Page 73 Connections in the Control Panel. The values of the keys Username, Password and Number are used to make the connection. 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 G2311-f Analyzer User Manual P/N 40020-Rev D...
  • Page 74 [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 40020-Rev D G2311-f Analyzer User Manual...
  • Page 75 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. https://www.picarro.com/support/community...
  • Page 76 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 77 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 78 Different sequences can be created and saved in the software. Use the “Sequence File #” field to select which file the sequence will be saved to (0 to 10 are the available choices). Click the up/down arrows to select the desired number. P/N 40020-Rev D G2311-f Analyzer User Manual...
  • Page 79 Once the valve sequence has been programmed, it can be saved using the button “save valve sequence file”—it will be saved under the sequence file number selected. G2311-f Analyzer User Manual P/N 40020-Rev D...
  • Page 80 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 40020-Rev D G2311-f Analyzer User Manual...
  • Page 81 Flux modes. To switch to one of the Flux modes, click NOTE on the “Mode Switcher” icon in your desktop to switch between modes (see the G2311-f Analyzer User Manual P/N 40020-Rev D...
  • Page 82 “Switching Between measurement Modes” in this manual). See images below for more information. The window that will pop up after clicking on the Picarro Mode Switcher Icon in your desktop. Note that you can only integrate the peripheral device (GPS/Anemometer) to your analyzer when it is in one of the four Flux modes described above.
  • Page 83 4. Upon clicking “apply” in the previous window, the following window will pop up. Click “YES” to continue. This will re-start the analyzer. 5. Upon clicking “YES,” the following loading status window will pop up. Wait until the loading finishes. G2311-f Analyzer User Manual P/N 40020-Rev D...
  • Page 84 Select the data of peripheral device you want to visualize on the main GUI from the “Data Key” drop down menus. Visualizing the data of the peripheral device on the GUI P/N 40020-Rev D G2311-f Analyzer User Manual...
  • Page 85 (in this case, a GPS). An example of new data columns that appear in the normal data documents with the integration of a peripheral device. G2311-f Analyzer User Manual P/N 40020-Rev D...
  • Page 86 CONFIGURING OPTIONAL ANALOG SIGNAL OUTPUT E.1 Overview: 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. Two circular connectors, labeled ‘ANALOG 0-3’ and ‘ANALOG 4-7’ are present on the back face of the analyzer in (see Fig 1).
  • Page 87 Range 300 – 800 ppm CO2 Concentration 0-10V 1.5 – 3.5 ppm CH4 Concentration 0-10V 0 – 4 % H2O Concentration 0-10V 130 – 150 Torr Cavity Pressure 0-10V None None None None G2311-f Analyzer User Manual P/N 40020-Rev D...
  • Page 88 Non-condensing < 0.1 μm Particle free Consult the Compliance Certification for analyzer performance and performance specifications. Size specifications below are listed for standard instruments only and may differ for customized or OEM systems. P/N 40020-Rev D G2311-f Analyzer User Manual...