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LANDTEC GEM2000 Operation Manual

Gas analyzer & extraction monitor
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Summary of Contents for LANDTEC GEM2000

  • Page 1 Complimentary Reference Material This PDF has been made available as a complimentary service for you to assist in evaluating this model for your testing requirements. TMG offers a wide range of test equipment solutions, from renting short to long term, buying refurbished and purchasing new. Financing options, such as Financial Rental, and Leasing are also available on application.
  • Page 2 GEM2000 GEM2000 Plus GAS ANALYZER & EXTRACTION MONITOR OPERATION MANUAL Serial Numbers 10000 and up...
  • Page 3 Making copies of any part of this book for any purpose other than your own personal use is a violation of United States copyright laws. LANDTEC and GEM are registered with the U.S. Patent and Trademark Office. For further information contact: LANDTEC North America 850 S.

  • Page 4: Table Of Contents

    The LANDTEC System Gas Analyzer Manager User Interface allows for easy access and navigation to various utilities to use the LANDTEC portable instrument on a day to day basis. The following is a general description of the user interface....................10 ....................
  • Page 5 ROSS FFECTS 5.6.1 Methane, Carbon Dioxide and Oxygen...................37 5.6.2 S, CO and other Optional Gas Pods...................38 5.6.3 GEM2000 Plus Internal Electrochemical Cells for Measuring H S and CO......38 TAKING EXTRACTION WELL READINGS (GEM MODE)............. 39 ........................39 RELIMINARY HECKS .........................39 PDATE (GEM M ) ................39...
  • Page 6 GEM2000 & GEM2000 Plus Operation Manual SERVICE & MAINTENANCE....................47 ......................... 47 ACTORY ERVICE ......................48 ACTORY ERVICE ACILITIES ........................48 AINTENANCE TECHNICAL SPECIFICATIONS ..................49 10.1 ........................... 49 HYSICAL 10.2 ........................... 49 ENERAL 10.3 .......................... 49 OWER SUPPLY 10.4 ..........................49 ANGES 10.5...

  • Page 8: Introduction

    If there is a change in elevation, the hard case may not open until the pressure relief valve is opened to equalize internal pressure. When shipping a GEM2000 / GEM2000 Plus back to LANDTEC for calibration or service, always ship it in the hard case to protect unit from damage.

  • Page 9: General Operational Features

    GEM2000 & GEM2000 Plus Operation Manual 2 General Operational Features 2.1 Physical Characteristics of the GEM2000 / GEM2000 Plus 2.2 Storage Do not keep the instrument in the trunk of a car or shed because it may be exposed to temperature extremes.

  • Page 10: Battery/Charging

    The battery used in the GEM2000 / GEM2000 Plus is a Nickel Metal Hydride manufactured as an e n c a p s u l a t e d p a c k f r o m s i x i n d i v i d u a l c e l l s . T h i s t y p e o f b a t t e r y i s n o t s o s u s c e p t i b l e t o “ me mo r y e f f e c t s ” a s Nickel Cadmium batteries, although it is not recommended that the unit be given short-term charges.

  • Page 11: Warm-Up Self Test

    (e.g. 01 - User cal data, CH reading or channel out of specification, 02 - User cal data, CO reading out of specification). If any other Warnings or Errors are displayed, contact a LANDTEC Authorized Service Facility for further information. Page 4...

  • Page 12: Service Information Screen

    GEM2000 & GEM2000 Plus Operation Manual 2.9 Service Information Screen Upon self-test completion, the GEM2000 / GEM2000 Plus will display service information including when the next manufacturers service is due, what type of service agreement the instrument is under (if applicable), and when the last factory gas check was performed.

  • Page 13: Optional Gas Pods

    GEM2000 & GEM2000 Plus Operation Manual 2.12 Optional Gas Pods Optional Gas Pods are available for use with the GEM2000 / GEM2000 Plus. These pods are available in seven different gases with eight different PPM ranges. Connection to the instrument is made via the data port and exhaust port.

  • Page 14: Recover Readings

    2.13.3 Print Readings This function is best performed using an appropriate RS232 cable (included with new instruments, also available from LANDTEC) and the LSGAM software. See section 3.12 Downloading Readings for more detail. 2.14 RF Interference The gas sensors, especially the Methane sensor, are sensitive to RF interference.

  • Page 15: The Landtec System Gas Analyzer Manager Software

    GEM2000 & GEM2000 Plus Operation Manual 3 The LANDTEC System Gas Analyzer Manager Software 3.1 Configuration Options The GEM2000 and LANDTEC System Gas Analyzer Manager (LSGAM) software can be utilized in a number of ways:  Configured for operation with the LANDTEC System online service;...

  • Page 16: Start Up

    There will also be a GAM log icon, shown below, that will be created on your desk top during installation. 3.3.2 Start Up Starting LSGAM can be easily done by doing one of the following: Double-Click on the Desktop icon. OR - go to; Start  All Programs  LANDTEC  LANDTEC System Gas Analyzer Manager Page 9...

  • Page 17: Navigation

    3.3.3 Navigation The LANDTEC System Gas Analyzer Manager User Interface allows for easy access and navigation to various utilities to use the LANDTEC portable instrument on a day to day basis. The following is a general description of the user interface.

  • Page 18: Connect The Gem2000 With The Rs-232 Download Cable To Your Computer

    GEM2000 & GEM2000 Plus Operation Manual 1. Connect the GEM2000 with the RS-232 Download Cable to your Computer 2. Instrument must be powered ON and in the Gas Reading screen 3. Launch the LSGAM software by clicking on the icon on your desktop This is the first screen you will see when starting the program.

  • Page 19: Create A Project / Select A Project

    An ID represents a physical sampling point in the field. An ID can be allocated to field components such as extraction wellheads, gas transmission lines, or passive monitoring probes. LSGAM allows users to configure an ID for each sampling point in order to obtain accurate readings with LANDTEC portable Page 12...

  • Page 20: Creating Comments

    There are several ways to input IDs to the Project. The following describes each process: Creating new IDs with LSGAM To create a new ID using the LANDTEC System Gas Analyzer Manager, Right Click on the left ID pane beneath your active project and select the Add New ID option.
  • Page 21  Sample Port: A sample point along a gas transmission line that may require a flow rate.  Probe: A passive gas migration monitoring probe that does not require a flow rate. The GEM2000 calculates flow rate values specific to each device type (listed above). The available flow devices programmed in GEM mode are listed below.
  • Page 22 Orifice Diameter: The field for orifice bore diameter is available for all Orifice Plate flow devices. Pump Run Time: Indicates the duration the GEM2000 pump will run while sampling for the selected Allows the user to enter general information for the device.

  • Page 23: Ids From Datafield Cs 3.2X

    GEM2000 & GEM2000 Plus Operation Manual Users may select up to 8 comments that will be available to the technician to select from when storing a reading with the GEM2000. Alphanumeric questions prompt the user to enter a comment on the instrument consisting of letters and numbers.

  • Page 24: Ids Already In The Instrument

    I mp o r t I D s … option from the Project menu. Select an ID file generated by DataField CS v3.2.x. 3.6.1 IDS ALREADY IN THE INSTRUMENT: To create a Project based on the information in the GEM2000, select Create a new project from the data in my instrument. Page 17...
  • Page 25 GEM2000 & GEM2000 Plus Operation Manual Creating a Device ID that does not measure flow Example- Probe or Sample Port If there is no flow device you will choose User Input. When choosing the User Input option you will need to enter the appropriate pipe inside diameter and pump run time.

  • Page 26: Creating Your Site Questions

    GEM2000 & GEM2000 Plus Operation Manual 3.7 Creating your site questions After sending site questions to your instrument they must be updated each time you use the GEM. This is done by going to the menu selection in the GEM and choosing [Update Site Data] The options for questions are Alphanumeric –Numeric –Multiple or Single comment selection.
  • Page 27 GEM2000 & GEM2000 Plus Operation Manual Example of Numeric Question You may use Multiple or Single Comment selections Using the Comments that were created for this project Page 20...
  • Page 28 GEM2000 & GEM2000 Plus Operation Manual These Site Questions may be used again with another project by selecting the Create New Project and create new project with comments and site questions from current project. The project will be created and the IDs, Comments, and Site Questions that exist in the instrument will be applied to the new project.
  • Page 29 GEM2000 & GEM2000 Plus Operation Manual Placing the mouse cursor over a specific device ID will show detailed information about that ID. To edit a Device ID, right click on the desired device and select Edit Device ID. To delete an existing ID, right click on the desired device and select Delete Selected Device ID(s).

  • Page 30: Sending Ids To The Instrument

    GEM2000 & GEM2000 Plus Operation Manual Deleted IDs are displayed with a line through the information on the screen. To restore a deleted ID, right click on the ID and click Restore Selected Device ID(s). 3.8 Sending IDs to the instrument Once IDs have been created in the project, they must be uploaded to the instrument.
  • Page 31 GEM2000 & GEM2000 Plus Operation Manual Once you have dragged the list or any selection of IDs to the instrument side, the line will change where you have the arrow and the circle will become a box. Upon releasing the mouse key your IDs will be in the instrument list. Now select Send to Instrument button.

  • Page 32: Clearing Id S From Your Instrument Or Deleting A Project

    GEM2000 & GEM2000 Plus Operation Manual 3.8.1 Clearing ID s from your instrument or Deleting a Project In current instrument contents when selecting the Clear ID List option it will draw lines through the IDS. You then need to select Send to Instrument. This will clear all IDs from the GEM in both the GEM and GA mode.

  • Page 33: Instrument Settings

    GEM2000 & GEM2000 Plus Operation Manual 3.9 Instrument Settings The LANDTEC System Gas Analyzer Manager software allows users to change many of the operational settings of the instrument. To view and change the available settings click on the Instrument Configuration tab.

  • Page 34: Data Logging

    GEM2000 & GEM2000 Plus Operation Manual The Alarm Settings options control the activation and deactivation of the audible alarms in the GEM2000 instrument. Audible alarms can be configured for CH , CO , or O parameters. Each parameter can be configured with a Low Trigger and/or High Trigger for the alarm.

  • Page 35: Set Date/Time In The Instrument

    GEM2000 & GEM2000 Plus Operation Manual Date Use the calendar options to select the desired date. Time Use the up and down controls to select the desired hour and minutes. 3.9.1 Set Date/Time in the instrument Click the Set Date/Time button to apply the settings to the instrument 3.10 Misc Options...

  • Page 36: Units Of Measurement

    This section of the Operation Manual reviews the process of downloading and storing readings from the instrument. To view your downloaded readings from the instrument, select the Readings tab of the LANDTEC System Gas Analyzer Manager software.
  • Page 37 GEM2000 & GEM2000 Plus Operation Manual When the instrument is initially detected by the LSGAM software, the readings are automatically downloaded from the instrument, placed in the Readings tab table, and stored in your project previously set up on your computer.
  • Page 38 GEM2000 & GEM2000 Plus Operation Manual To export readings to a file, click the Export Readings button. This will open the Export Readings to CSV screen. This interface provides several options described below. To add or remove a single reading from export, click on a checkbox in the leftmost column.

  • Page 39: General Operations Menu

    4.5 View Data The view data allows the user to see the readings that are in the GEM2000 / GEM2000 Plus memory. Often the amount of data stored is more than can be displayed adequately on one screen so pressing the ...

  • Page 40: Field Calibration

    Additionally, in the case of a zeroing function, ensure only certified gas or ambient air is used and no connection is made to a probe or wellhead fitting. The calibration cylinders sold by LANDTEC have a volume of 17 liters. The regulator, sold by same, is set to 0.5 liters per minute and 15 psig maximum. A normal field calibration usually requires the gas to be running for about two minutes.

  • Page 41: Information Screen

    GEM2000 & GEM2000 Plus Operation Manual 4.9 Information Screen The information screen will automatically display the following information: Software Version- Date Serial Number-GM00000 Date Format- USA Language- American Communication- 1920014 4.10 Exit Menu The Exit Menu simply exits the main menu screen and returns to the gas reading screen.

  • Page 42: Taking Probe Readings (Ga Mode)

    Methane. The GEM2000 / GEM2000 Plus instrument may be configured as a Gas A n a l y z e r ( G A mo d e ) f o r s a mp l i n g p r o b e s . T o a c c e s s t h i s f u n c t i o n f r o m t h e g a s r e a d s c r e e n p r e s s ‘ ’...

  • Page 43: Taking Readings -Without Id

    GEM2000 & GEM2000 Plus Operation Manual a u t o ma t i c a l l y h i g h l i g h t e d . T o c o n f i r m s e l e c t i o n , p r e s s t h e ‘  ’ k e y . T h e d i s p l a y ma y b e t o g g l e d t o display any relevant ID information available;...

  • Page 44: Temperature Probe Reading

    Communication Socket, the temperature will be displayed in the read gas levels screen and recorded with all other data. The temperature probe is part of the GEM2000 UL certification and is therefore certified for use under the same conditions as the instrument.

  • Page 45: S, Co And Other Optional Gas Pods

    5.6.3 GEM2000 Plus Internal Electrochemical Cells for Measuring H S and CO The GEM2000 Plus employs two internal electrochemical cells to measure Hydrogen Sulfide (H S) and Carbon Monoxide (CO). Electrochemical cells which measure CO are typically susceptible to cross gas...

  • Page 46: Taking Extraction Well Readings (Gem Mode)

    Accu-Flo wellheads, orifice plates or pitot tubes. The GEM2000 / GEM2000 Plus may be configured as a Gas Extraction Monitor (GEM mode) for the purpose of sampling wells and obtaining flow measurements. To access this function from the gas r e a d s c r e e n p r e s s ‘...
  • Page 47 GEM2000 & GEM2000 Plus Operation Manual previous sample from the instrument. Purge time may be set via LSGAM (default is 30 seconds). Once t h e ‘  ’ k e y i s p r e s s e d , p u r g e w i l l b e g i n a n d t h e R e a d G a s L e v e l s s c r e e n w i l l b e d i s p l a y e d u p o n c o mp l e t i o n .

  • Page 48: Field Operations

    GEM2000 & GEM2000 Plus Operation Manual 7 Field Operations 7.1 Landfill Gas Generation A brief overview of the theory of landfill gas generation and Methane recovery follows. Initially, when decomposable refuse is placed into a solid waste landfill, the refuse is entrained with air from the surrounding atmosphere.

  • Page 49: Controlling By Wellhead Valve Position

    GEM2000 & GEM2000 Plus Operation Manual 7.3.1 Controlling by Wellhead Valve Position Unless the valve handle is calibrated for a given flow rate, this method is unreliable. The position of the valve handle alone does not provide sufficient information about the well to control it. It is useful to note the relative position of the valve, and essential to know which valves are fully open or fully closed.

  • Page 50: Well Field Monitoring

     Ambient air temperature  Static pressure (PS) (from GEM2000 or magnehelic) or other device(anemometer/velometer)  Velocity head (P or PT) (from GEM2000 or pitot tube and magnehelic)  Wellhead gas flow (from GEM2000, or pitot tube & magnehelic, or anemometer/velometer) ...

  • Page 51: Well Field Adjustment Criteria

    GEM2000 & GEM2000 Plus Operation Manual Line vacuums and gas quality may be taken at key points along the main gas collection header and at subordinate branches. This helps to identify locations of poor performance, excessive pressure drop, or leakage.

  • Page 52: Establishing Target Flows

    GEM2000 & GEM2000 Plus Operation Manual 7.8 Establishing Target Flows The goal is to establish a target flow which will likely produce the best possible Methane quality and minimum Oxygen levels while maximizing the recovery of landfill gas. Typically, small adjustments are made in flow to achieve and maintain quality objectives.

  • Page 53: Troubleshooting

    GEM2000 & GEM2000 Plus Operation Manual 8 Troubleshooting Problem Corrective Action/Reason Unit does not turn on or operation is erratic Battery charge is too low-recharge batteries. Unit is too hot - cool down unit and try again. Contact Factory Service.

  • Page 54: Service & Maintenance

    9.1 Factory Service LANDTEC is the ONLY authorized service center f o r t h e G E M™2 0 0 0 / G E M™2 0 0 0 P l u s instruments. Factory service includes but is not limited to the following;...

  • Page 55: Factory Service Facilities

    GEM2000 & GEM2000 Plus Operation Manual 9.2 Factory Service Facilities LANDTEC North America 850 S. Via Lata, Suite 112 Colton, CA 92324 Tel: 800-821-0496 or +1-909-783-3636 Web: www.ces-landtec.com LANDTEC Europe Formerly Geotechnical Instruments Sovereign House Queensway Leamington Spa, Warwickshire CV31 3JR,...

  • Page 56: Technical Specifications

    GEM2000 & GEM2000 Plus Operation Manual 10 Technical Specifications 10.1 Physical Weight 4.4 lbs. L 2 . 4 8 ” x W 7 . 4 8 ’ ’ x D 9 . 9 2 ” . Size Case material Anti-static ABS.

  • Page 57: Pump

    GEM2000 & GEM2000 Plus Operation Manual Range 0-70% to specification, 0-100% reading. 0-40% to specification, 0-100% reading. 0-25% CO (in Plus Instruments) 0-2000ppm S (in Plus Instruments) 0-500ppm 10.5 Pump Typical flow 300 cc/min. Flow fail point 50 cc/min approximately.

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