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LANDTEC GEM5000 Operating Manual

Gas analyzer
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GEM5000 Gas Analyzer

Operating Manual

QED Environmental Systems, Inc.
For Sales & Service Contact
2355 Bishop Circle West
Dexter, MI. 48130
Tel: (800) 624-2026
Fax :(734) 995-1170
Email: info@qedenv.com
2650 E. 40th Ave. • Denver, CO 80205
Phone 303-320-4764 • Fax 303-322-7242
Website:
www.landtecna.com
1-800-833-7958
www.geotechenv.com
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  • Page 1: Operating Manual

    GEM5000 Gas Analyzer Operating Manual QED Environmental Systems, Inc. For Sales & Service Contact 2355 Bishop Circle West Dexter, MI. 48130 Tel: (800) 624-2026 Fax :(734) 995-1170 Email: info@qedenv.com 2650 E. 40th Ave. • Denver, CO 80205 Phone 303-320-4764 • Fax 303-322-7242 Website: www.landtecna.com...

  • Page 2: Table Of Contents

    Safety instructions................... 5 Instructions for safe use ................... 6 MCERTS ......................8 CIRIA ......................8 3.0 THE GEM5000 GAS ANALYSER ................10 The GEM5000 ....................10 GEM5000 standard product ................10 GEM5000 OPTIONAL PRODUCTS AND ACCESSORIES ........11 Optional products ..................11 4.1.1...
  • Page 3 GEM5000 Gas Analyzer OMGEM5KN4.7.1 7.3.3 Device information ................... 29 7.3.4 Diagnostics ..................... 29 7.3.5 Navigation (optional) ................30 User settings ....................31 7.4.1 Operating language .................. 31 7.4.2 Units of measurement ................32 7.4.3 ID selection .................... 33 7.4.4 Routes ....................35 7.4.5...

  • Page 4: Manual Guidelines

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 Manual guidelines 1.1 Hazard warnings and safety symbols Information in this manual that may affect the safety of users and others is preceded by the warning symbol. Warning Caution - Failure to follow the correct information may result in physical injury which in some cases could be fatal.

  • Page 5: Introduction

    GEM5000 measures flow and gas concentrations. The GEM5000 measures flow and calculates the calorific values of the gas as well as being a useful tool for balancing the gas field. The GEM5000 gas analyzer may be used to monitor, calculate, adjust and record the flow at each monitoring point.

  • Page 6: Instructions For Safe Use

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 2.2 Instructions for safe use For ATEX and IECEx the 5000 series of gas analysers are certified to Hazardous Area Classification II 2G Ex ib IIA T1 Gb (Ta = -10ºC to +50ºC) It is vital instructions are followed closely. It is the responsibility of the operator to determine the protection concept and classification required for a particular application.
  • Page 7 GEM5000 Gas Analyzer OMGEM5KN4.7.1 from being adversely affected, thus ensuring that the type of protection is not compromised.  The relative pressure range is +/-500 mbar. Note, however, that the input pressure should not exceed +/- 500 mbar relative to atmospheric pressure and the output pressure should not exceed +/- 100 mbar relative to atmospheric pressure.

  • Page 8: Mcerts

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 2.3 MCERTS MCERTS is the UK Environment Agency's Monitoring Certification Scheme. The scheme provides a framework within which environmental measurements can be made in accordance with the Agency's quality requirements. The scheme covers a range of monitoring, sampling and inspection activities.

  • Page 9: The Gem5000

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 3.0 The GEM5000 Gas Analyzer 3.1 The GEM5000 The GEM5000 gas analyzer is designed to monitor landfill gas extraction systems. Benefits:  Allows balancing of gas extraction site.  Maximize power generation from site.  Field proven.

  • Page 10: The Gem5000 Gas Analyser

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 3.2 GEM5000 standard product Reference: Hard carry case In-line water trap tubing & filter Gas analyser instrument H2S filter (optional – if the compensated CO cell is fitted) 5000 series safety manual Mains battery charger and adaptors:...

  • Page 11: Gem5000 Optional Products And Accessories

    4.1.1 Pitot tube (optional) The GEM5000 gas analyzer enables the use of a pitot tube to aid accurate flow measurement. The pitot tube is used for gas extraction systems and the pressure readings are taken in mbar. High gas flow is calculated in the analyzer in m /hr (metres cubed per hour).

  • Page 12: H 2 S Filter (Optional)

    4.1.7 GPS (optional) An optional GPS feature is available for the GEM5000 gas analyzer. It enables the site engineer to automatically locate borehole IDs using GPS satellite signal from predefined borehole IDs uploaded from LSGAM or set on the analyzer when out in the field prior to taking a reading.

  • Page 13: Gem5000 Instrument Features

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 GEM5000 Instrument Features 5.1 Physical characteristics of the instrument panel Front view: Reference: Main Gas Read Screen Soft-keys Backlight Key Menu Key Pump key LED Light On/Off Key Assistance key Enter Key Scroll up key Scroll down key Key 0 –...
  • Page 14 GEM5000 Gas Analyzer OMGEM5KN4.7.1 5.2 Analyzer features and keys Main Gas Read Screen Start and end screen when using the instrument. Soft-keys The function of the three ‘soft-keys’ on the front of the instrument panel is determined by menu options taken. Functions vary from screen to screen.

  • Page 15: Instrument Connection Points

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 Instrument connection points Top view: Ref: Connection Point: Function: Connector A Attach the USB cable for PC-to-analyzer connectivity. Inlet Port & Static Pressure Port Attach the sample tube to take a gas sample. (White port) Also used to measure the static pressure.

  • Page 16: General Operational Instructions

    General Operational Instructions 6.1 Switching the instrument on To switch on the analyzer, press and hold the ‘On/Off’ key. The Landtec logo will display followed by the instrument warm up. Following the instrument warm up, the ‘Date and Time’ screen is displayed prompting the technician to set the date and time and required format.

  • Page 17: Instrument Status Icons

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 6.3 Instrument status icons The following icons may be displayed on the instrument screen: Icon Description Icon Description Battery charge state Battery charge state Gives the operator an Indicates less than 2 hours of charge estimation of the battery remaining.

  • Page 18: Instrument Led Power States

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 6.4 Instrument LED power states When the instrument is powered on a LED power light is visible on the front of the analyzer, located above the ‘On/Off’ key. The following LED power light states are as...

  • Page 19: Instrument Main Gas Read Screen

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 6.7 Instrument main gas read screen The ‘Main Gas Read Screen’ is considered to be the normal operating screen and all operations are carried out from this starting point. The actual data shown on this display will depend on the version of the instrument and the options that have been selected.

  • Page 20: Cleaning Instructions

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 A full charge will take approximately 4 hours from a fully discharged battery. The battery charger is NOT covered by the Ex certification. Warning The battery must be charged only in a safe area. The battery charger is intelligent and will indicate when the unit is charging and charged.

  • Page 21: Memory

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 6.11 Memory The analyzer's memory is stored in a readings and configuration database. The analyzer will prompt when its memory is full, and you will not be able to store any further readings. Please download your readings via LSGAM or the Basic Download Software and then clear the memory.

  • Page 22: Operation Settings

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 7.2 Operation settings To access the ‘Operation settings’ menu, select the ‘Menu’ key on the front of the analyzer. The following menu is displayed: 7.2.1 Timers The timers function enables the operator to set standard purge times and set auto-power off if the unit is untouched for the period of time specified.

  • Page 23: Gas Check

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 7.2.2 Gas Check This option displays the ‘Gas Check’ menu and enables the operator to zero and span the gas channels on the instrument. Historical/previous gas checks data can also be viewed and factory settings can be restored.

  • Page 24: Set Alarms

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 3) Toggle through the reading by selecting ‘Key 4 – Scroll left’ and ‘Key 6 – Scroll right’ on the analyzer. Select ‘Key 2 – Page up’ and ‘Key 8 – Page down’ to page through the auxiliary channels listed.

  • Page 25: Adjust Flow Fail

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 2) Select ‘Key 4 – Set Alarms’ and the following menu is displayed: 3) Select the corresponding key to select the gas for which you wish to set an alarm/target trigger for, followed by ‘Key 1’ to change the trigger condition of an alarm.

  • Page 26: Technician Login

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 2) Select ‘Key 5 – Adjust Flow Fail’ and the following screen is displayed: 3) Manual adjustment of the flow fail is available via this option and can be carried out  with use of ‘Key 4 – Scroll left’ ( ) less sensitive and ‘Key 6 –...

  • Page 27: Device Settings

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 4) The operator will return to the ‘User settings’ menu.  Note: If no technicians are loaded via LSGAM, this section is skipped during start up and the ‘Technician ID’ icon is removed from the menu.

  • Page 28: Bluetooth

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 The operator may also change the default time zone. Selecting the ‘Key 4 Scroll- left’ or ‘Key 6 – Scroll right’ to move through the different time zones. Press the ‘Enter’ key to confirm your default setting.

  • Page 29: Device Information

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 7.3.3 Device information This option displays default instrument information and settings such as serial number, service due date, last zero calibration date and last span calibration date. Select the ‘Menu’ key on the front of the analyser to display the ‘Device Settings’...

  • Page 30: Navigation (Optional)

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 Select soft-key ‘Next’ to display the next screen, ‘Previous’ to return to the previous screen, or select soft-key ‘Exit’ to exit this screen and return to the ‘Device Settings’ menu.  Note: For further information please contact Technical Support at (800) 968- 2026 or email landtec_support@qedenv.com...

  • Page 31: User Settings

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 7.4 User settings To access the ‘User settings’ menu, select the ‘Menu’ key on the front of the analyzer to display the ‘Operating Settings’ menu followed by the soft-key to display ‘User Settings’ menu. The following menu is displayed: To exit the user settings menu select the soft-key ‘Exit’.

  • Page 32: Units Of Measurement

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 Set the required language for the gas analyser by selecting the appropriate function key. Choose from, on the first page: Key 1 English Key 2 Spanish Key 3 French Key 4 German Key 5 Italian Key 6...

  • Page 33: Id Selection

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 3) Select soft-key ‘Exit’ to exit this screen and return to the ‘User Settings’ menu. 7.4.3 ID selection The ID selection screen allows the operator to scroll through all IDs, including those uploaded from LSGAM and added directly onto the instrument, and then make a selection. Detailed...
  • Page 34 GEM5000 Gas Analyzer OMGEM5KN4.7.1 Soft keys: Left - Select 'No ID' and go to the purge/reading screen. Center - Enabled when there is a list of IDs, allowing the technician to dynamically filter the IDs displayed in the list. Right - Allows the technician to add a new ID to the instrument 'in the field'.

  • Page 35: Routes

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 7.4.4 Routes Using the optional LSGAM Software, you can upload a route. This is a predefined list of IDs that you can go through in an order. This feature is useful if you have a certain order to complete your IDS in.

  • Page 36: Adjust Volume

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 Selecting ‘Key 1’ allows the operator to configure the dimmer settings from ‘Auto Dim’ to ‘Auto Off’ in order to help preserve power consumption when data logging. This icon represents ‘Auto Dim’ – this enables the backlight idle timeout, which means the backlight will go dim after a specified period of inactivity.

  • Page 37: User Prompts

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 7.4.7 User Prompts This option enables the operator to either turn on or off the context-sensitive user prompts which are displayed during the gas sample process. The analyzer will have the user prompts on when it is first used, so if they are no required they can be switched off by selecting soft-key ‘6’...

  • Page 38: Taking Readings

    (GEM /GA) Step 2 Check the ‘Mode of Operation’ is Step 3 correct. Choose either GEM5000 for gas extraction monitoring analyzer or GA5000 for landfill gas Analyser analyzer. Change using ‘Special has correct time Actions’.

  • Page 39: Creating An Id

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 Inhaling hydrogen sulphide gas (H S) or other harmful gases can cause Warning death. It is the responsibility of the user to ensure that he/she is adequately trained in the safety aspects of using H S and other harmful gases.

  • Page 40: Change Screen Layout

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 8.2 Change screen layout Use key 2 to toggle between 2 different ways of viewing the gas reading screen: Default view You can use key 4 and key 6 to switch between the gases page and the pressure & flow page.

  • Page 41: Special Action

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 8.5 Special action This menu enables the operator to perform the additional following functions out of sequence if so desired. From the ‘Main Gas Read Screen’ select the soft-key ‘Special Action’ and the following menu is displayed: ...

  • Page 42: Configuration Of The Data Logging Option

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 8.5.1 Configuration of the data logging option 1) Connect the gas inlet (white port) to the sample point. The yellow exhaust hose can be vented a safe distance from the sample point; do NOT re-circulate back into the system.

  • Page 43: Gem Analyser In Ga Mode

    GA5000 gas analyzer operating manual. 8.7 The gas flow measurement screen The GEM5000 gas analyzer enables gas and flow measurements to be recorded by using:  A flow device i.e. a PITOT tube, Orifice plate, Accu-Flo or anemometer.

  • Page 44: How To Use An Anemometer (Optional)

    OMGEM5KN4.7.1 8.8 How to use an anemometer (optional) The GEM5000 gas analyzer has the facility to attach an anemometer device enabling the site engineer to measure the flow of gas within an extraction system. The anemometer can be set to display two values; m/s (meters per second) and m /hr (metres cubed per hour).
  • Page 45 GEM5000 Gas Analyzer OMGEM5KN4.7.1 For example: Pipe OD Pipe ID Wall Thickness If you do not have any suitable monitoring points you will need to drill (tap of ¾” BSP pipe thread) a hole in the piping of between 25mm and 30mm in diameter to seat the conical fitting on the anemometer (which is roughly between 20mm to 34mm).
  • Page 46 GEM5000 Gas Analyzer OMGEM5KN4.7.1 Instructions for use: Attach the anemometer to ‘Connector C’ (refer to section 5.3 – Instrument connection points). Place the anemometer into the pipe (sample point) ready to take the reading. To take a flow measurement when using an anemometer, follow the instructions displayed on the analyzer.

  • Page 47: How To Use A Pitot Tube (Optional)

    OMGEM5KN4.7.1 8.9 How to use a pitot tube (optional) The GEM5000 gas analyzer enables the site engineer to take gas measurements using a pitot tube. The pitot tube is used for gas extraction systems and the pressure readings are taken in mbar. Gas flow is calculated in the analyzer in m /hr (metres cubed per hour).

  • Page 48: Cross Gas Effects On Chemical Cells

    Measurements of CO can be affected by two other gases that can be found in landfill gas – hydrogen and hydrogen sulphide. To reduce the effect of hydrogen, the GEM5000 analyzer uses a technique that is hydrogen compensated. Hydrogen compensation is achievable up to a level of around 2000ppm.

  • Page 49: Cross-Gas Effects On Methane, Carbon Dioxide And Oxygen

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 8.9.2 Cross-gas effects on methane, carbon dioxide and oxygen Methane is measured using dual beam infrared absorption. Analyzers are calibrated using certified methane mixtures and will give correct readings provided there are no other hydrocarbon gases present within the sample (e.g. ethane, propane, butane, etc.). If there are other hydrocarbons present, the methane reading will be elevated (never lower) than the actual methane concentration being monitored.
  • Page 50 GEM5000 Gas Analyzer OMGEM5KN4.7.1  Note: When onsite the site engineer must have an unmodified water trap assembly in addition to the modified water trap with a H S filter in order to take readings with and without a filter.

  • Page 51: How To Use A Temperature Probe (Optional)

    The temperature probe enables the site engineer to measure the temperature of the gas within a sample point. The GEM5000 gas analyzer uses the temperature of the gas to give more accurate flow measurement readings as part of the instrument calculation.

  • Page 52: How To Identify A Borehole Using The Gps Feature (Optional)

    OMGEM5KN4.7.1 8.12 How to identify a borehole using the GPS feature (optional) An optional GPS feature is available for the GEM5000 gas analyzer. It enables the site engineer to automatically locate borehole IDs using GPS satellite signal from predefined borehole IDs uploaded from LSGAM. The GPS reading data is stored for each measurement reading.
  • Page 53 GEM5000 Gas Analyzer OMGEM5KN4.7.1 If required, select soft-key ‘Options’ to go to the ‘Navigation Options’ menu and the following screen is displayed: Navigation options Key 1 Key 1 to toggle between ‘Meters’, ‘Feet’ or ‘Yards’ to define the unit of measurement.
  • Page 54 GEM5000 Gas Analyzer OMGEM5KN4.7.1 Changing the selected ID It is possible to change the currently selected ID (identified by green icon ) by pressing the 2 and 8 and keys to move the cursor up and down the list of visible Ids. To change the selection press Enter.

  • Page 55: Taking Gas And Flow Measurement

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 8.13 Taking gas and flow measurement If using GAM Select or Add Select Technician Select Set up GAM & Instrument Borehole Id and Air Purge START ID if required or soft-key press the ‘Enter’ UPLOAD to...

  • Page 56: Calibration

    9.2 Frequency of calibration – best practice The GEM5000 gas analyzers can be checked against a known concentration of gas, to give confidence that the analyzer is operating as expected at the time and conditions in which it is being used.

  • Page 57: Calibration Gases

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 The confidence required will be driven by the site specific / user requirements. When undertaking the monitoring with an understanding of the history of the gas levels of that site, a calibration check could be triggered if the readings measured are different to what is expected.

  • Page 58: Calibration Equipment

    The regulator supplied with the calibration kit is pre-set for flow and pressure rates that are factory set.  If you are using a non Landtec supplied regulator, please ensure that it does not supply any greater than 200 mbar pressure. Page 58 of 70...

  • Page 59: Gas Analyser

    OMGEM5KN4.7.1 9.6 Gas analyzer For the GEM5000 gas analyzer the calibration options can be found by selecting the ‘Menu’ key followed by soft-key ‘Operation Settings’. Select ‘Key 2 – Gas Check’ then follow the instructions on the analyzer screen by selecting ‘Key 2 – Gas Check’.

  • Page 60: Gas Check In Fresh Air

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 9.7.1 Gas Check in fresh air Switch on the Main Gas Read instrument and Select key 2 Select key 1 START Screen select the ‘Gas Check’ ‘Gas check’ complete the ‘Menu’ key instrument warm up. Select ‘Fresh Air’ by using...

  • Page 61: Calibration - Mixtures 1, 2, & 3

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 9.7.2 Calibration – mixtures 1, 2, & 3 Switch on the Main Gas Read instrument and Select key 2 START Screen select the complete the ‘Gas check ’ ‘Menu’ key instrument warm up. Press Connect the flow Select correct gas mixture: ‘Enter’...

  • Page 62: Restore To Factory

    Gas Check menu. Calibration history The GEM5000 gas analyzer logs user calibrations in ‘History’ application. This can be used as an aid to ensuring that gas measurements are valid and accurate. Both good and failed calibration results are recorded for each channel calibrated.

  • Page 63: Problem Solving

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 10.0 Problem Solving This section outlines various warning and error messages which the operator may receive during general operation of the instrument. For further assistance please contact Technical Support at (800) 968-2026 or email landtec_support@qedenv.com 11.0...

  • Page 64: Service

    QED recommends a service and recalibration every 12 months. The GEM5000 range is ATEX certified for use in potentially explosive areas. As such it should be serviced only by qualified engineers. Failure to observe this will result in the warranty becoming invalid and could invalidate the ATEX certification.

  • Page 65: Warranty Policy

    GEM5000 Gas Analyzer OMGEM5KN4.7.1 13.0 Warranty policy This instrument is guaranteed, to the original end user purchaser, against defect in materials and workmanship for a period of 3 years from the date of the shipment to the user. During this period QED will repair or replace defective parts on an exchange basis.

  • Page 66: Glossary Of Terms

    The GEM5000 analyzer can be set to convert into a flow. See also flow measurement. ATEX certification The GEM5000 is ATEX certified to zone 1 & 2 areas above ground not in mines. Auxiliary channel This refers to the channels where external devices will be connected or displayed.
  • Page 67 GEM5000 Gas Analyzer OMGEM5KN4.7.1 Carbon monoxide Carbon dioxide Data logging Data logging enables the operator to leave the analyzer unattended to take samples at predetermined intervals for a set period of time Download Terminology used for the movement of data from the analyzer to the LSGAM application on the PC.
  • Page 68 GEM5000 Gas Analyzer OMGEM5KN4.7.1 Gas channels The gases that are analyzed by the instrument. Gas velocity The positional rate of change of the gas. Measured using the optional anemometer. General warnings Displayed throughout the documentation with a warning symbol. Warning information may affect the safety of operators.
  • Page 69 The internal component used to measure the relative pressure. Residual N The calculation for the residual N used on the latest version of the GEM5000 platform is as follows: Residual N = Balance – (O % x 3.76) Where, Balance = 100% - (CH % + CO %) and 3.76 is the ratio of O...
  • Page 70 GEM5000 Gas Analyzer OMGEM5KN4.7.1 Upload Terminology used for the movement of data from the PC via LSGAM software application to the analyzer. Volume flow rate The volume of a gas that passes through a given surface per unit of time e.g. m...

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