LANDTEC Geotech GEM2000 Series Operating Manual
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LANDTEC Geotech GEM2000 Series Operating Manual

Gas analysers
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GEM2000 Range Gas Analysers
Operating Manual
GEM2000 PLUS MC080126/00
Geotechnical Instruments (UK) Ltd
Sovereign House
Queensway
Leamington Spa
Warwickshire
CV31 3JR
England
Tel: +44 (0)1926 338111
Fax: +44 (0)1926 338110
Email: sales@geotech.co.uk
Website:
www.geotech.co.uk
© Copyright 2009 Geotechnical Instruments (UK) Limited

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  • Page 1 GEM2000 Range Gas Analysers Operating Manual GEM2000 PLUS MC080126/00 Geotechnical Instruments (UK) Ltd Sovereign House Queensway Leamington Spa Warwickshire CV31 3JR England Tel: +44 (0)1926 338111 Fax: +44 (0)1926 338110 Email: sales@geotech.co.uk Website: www.geotech.co.uk © Copyright 2009 Geotechnical Instruments (UK) Limited...
  • Page 2 GEM2000 Range Gas Analysers OMGEMN1.41 This page is intentionally left blank. Page 2 © Copyright 2009 Geotechnical Instruments (UK) Limited...

  • Page 3: Table Of Contents

    GEM2000 Range Gas Analysers OMGEMN1.41 Table of Contents MANUAL GUIDELINES..................7 Document History..................... 7 Safety Symbol ....................7 Notes ......................7 INTRODUCTION....................8 Safety Instructions ................... 8 Instructions for Safe Use – English Language ............9 MCERTS ......................9 3.0 THE GEM2000 RANGE GAS ANALYSERS ............. 10 The GEM2000 ....................
  • Page 4 GEM2000 Range Gas Analysers OMGEMN1.41 6.10.8 Mode of Operation.................. 27 6.10.9 Information Screen ................28 6.10.10 Operating Language ................28 6.10.11 Navigation..................29 6.10.12 Exit Menu ................... 29 TAKING READINGS..................30 Preliminary Checks Before Taking Readings (Best Practice) ........30 Update Site Data ....................
  • Page 5 GEM2000 Range Gas Analysers OMGEMN1.41 14.0 SAMPLE CERTIFICATE OF CALIBRATION............86 15.0 IMPORTANT NOTICE TO ALL CUSTOMERS ............ 88 16.0 DECLARATION OF CONFORMITY – ENGLISH LANGUAGE ......89 17.0 GEM2000 RANGE GLOSSARY OF TERMS ............90 18.0 APPENDICES – SAFETY INSTRUCTIONS ............97 18.1 Instructions for Safe Use –...
  • Page 6 GEM2000 Range Gas Analysers OMGEMN1.41 This page is intentionally left blank. Page 6 © Copyright 2009 Geotechnical Instruments (UK) Limited...

  • Page 7: Manual Guidelines

    GEM2000 Range Gas Analysers OMGEMN1.41 Manual Guidelines Document History Issued Issue Change Issue Date Control ID Reason for Change Apr 2010 OMGEMN 1.35 New Instructions Apr 2010 OMGEMN 1.41 New Instructions Safety Symbol Information in this manual that may affect the safety of users and others is preceded by the following symbol: Warning Failure to follow this information may result in physical injury which in some cases could...

  • Page 8: Introduction

    GEM2000 Range Gas Analysers OMGEMN1.41 Introduction This manual explains how to use the GEM2000 range of landfill gas analysers for the following model types: GEM2000 • • • • GEM2000 Plus • • • • There are a number of versions of the GEM2000 analyser, and several options. Where a section in the manual applies only to some of the versions, this is indicated in the section heading.

  • Page 9: Instructions For Safe Use - English Language

    GEM2000 Range Gas Analysers OMGEMN1.41 Instructions for Safe Use – English Language (Reference European ATEX Directive 94/9/EC, Annex II, 1.0.6.) The following instructions apply to equipment covered by certificate numbers Sira 06ATEX2202X: The equipment may be used with flammable gases and vapours with apparatus •...

  • Page 10: The Gem2000 Range Gas Analysers

    GEM2000 Range Gas Analysers OMGEMN1.41 3.0 The GEM2000 Range Gas Analysers The GEM2000 The GEM2000 is designed for gas extraction systems, flares and migration control systems. This unit allows standard landfill monitoring and, in the GEM mode, can display calorific gas content of a gas extraction system.

  • Page 11: The Gem2000 Plus

    GEM2000 Range Gas Analysers OMGEMN1.41 The GEM2000 Plus The GEM2000 Plus is designed to monitor landfill gas extraction systems. The GEM2000 Plus gives increased reliability for carbon monoxide (CO) readings. It retains the features of the field proven GEM2000. Benefits: Allows balancing of gas extraction site.

  • Page 12: Instrument Components - Standard Product

    GEM2000 Range Gas Analysers OMGEMN1.41 Instrument Components – Standard Product GEM2000 Plus Reference: Gas Analyser Instrument (Diagram shows GEM2000 Plus) GEM2000 Range Operating Manual In-line Water Trap Housing (tubing & filter) Temperature Probe (Optional) Gas Pod (Optional) S Filter (Optional) Mains Battery Charger Adaptors: Europe Australia...

  • Page 13: Gem2000 Range Optional Products And Accessories

    GEM2000 Range Gas Analysers OMGEMN1.41 GEM2000 Range Optional Products and Accessories Optional Products The GEM2000 range has a number of optional products for purchase which enhance the usability and enable further analysis of data and reading information. Note: For more information on the features listed in this section please contact Sales at Geotech (UK) Limited on +44(0)1926 338111 or email Sales@geotech.co.uk.

  • Page 14: External Gas Pod (Optional)

    GEM2000 Range Gas Analysers OMGEMN1.41 4.1.5 External Gas Pod (Optional) The GEM2000 range has a range of gas pod attachments enabling the site engineer to safely monitor additional gases. The interchangeable electro-chemical sensors allow the user to enhance the capabilities of the analyser. The lightweight and strong aluminium pod construction ensures optimum performance.

  • Page 15: Event Log (Optional)

    GEM2000 Range Gas Analysers OMGEMN1.41 4.1.7.1 Event Log (Optional) The GEM2000 range incorporates the facility to log significant events performed on the analyser via the ‘Event Log’. This can be used as an aid to monitoring the use of the instrument and used as a diagnostic tool if there is a problem with the instrument.

  • Page 16: Instrument Accessory Products

    GEM2000 Range Gas Analysers OMGEMN1.41 Instrument Accessory Products Optional accessory and replacement parts may be purchased for the GEM2000 range from Geotechnical Instruments (UK) Limited direct. Please refer to the website www.geotech.co.uk for further details on pricing and how to order. Description Mfr Order Code...

  • Page 17: Gem2000 Range Instrument Features

    GEM2000 Range Gas Analysers OMGEMN1.41 GEM2000 Range Instrument Features Physical Characteristics of the Instrument Panel Front View: Reference: Main Gas Read Screen Key 2 – Scroll Up Key 4 – Scroll Left Key 8 – Scroll Down Key 0 - Backlight On/Off Key Key 6 –...

  • Page 18: Panel Key Functions

    GEM2000 Range Gas Analysers OMGEMN1.41 Panel Key Functions Front Panel: Keys Function Main Read Screen Start and end screen when using the instrument. Scroll Up Key Also ‘Key 2’. Press scroll up to view further information on the instrument read screen. Scroll Left Key Also ‘Key 4’.

  • Page 19: Instrument Connection Points

    GEM2000 Range Gas Analysers OMGEMN1.41 Instrument Connection Points Right Side View: Left Side View: Right Side View: Inlet Port & Static Pressure Port Attach the sample tube to this port to take a gas sample. Also used to measure the static pressure.

  • Page 20: General Operational Instructions

    GEM2000 Range Gas Analysers OMGEMN1.41 General Operational Instructions Switching the Instrument On To switch on the analyser, press and hold down the ‘On/Off’ key. A long beep will be emitted followed by the Geotech (UK) Limited logo display. The ‘power on self-test’ will then commence. Refer to the message ‘Self-test mode, please wait ….’...

  • Page 21: Keypad Lock

    GEM2000 Range Gas Analysers OMGEMN1.41 Keypad Lock Keypad lock avoids accidental key presses when carrying the analyser. 1) To lock the keypad, press and hold the ‘Backlight’ key for two seconds. Note: A message stating that the keypad is locked will be displayed at the bottom of the analyser read screen.

  • Page 22: Storage

    GEM2000 Range Gas Analysers OMGEMN1.41 Upon completion of the self-test a ‘Passcode Entry Screen’ will be displayed. At this point release the ‘Enter’ key. Enter the code ‘12345’ and press the ‘Enter’ key to confirm. After the passcode entry has been accepted the instrument’s serial number will be displayed along with the hours of operation and two options: 1-Cold Start •...

  • Page 23: Main Menu

    GEM2000 Range Gas Analysers OMGEMN1.41 Although unlikely, sudden shocks, high levels of electromagnetic interference or static discharge may cause memory corruption or loss. If this occurs the memory should be cleared and the calibration reset to factory settings before further use. To clear the memory, please refer to the Gas Analyser Manager operating manual.

  • Page 24: Update Site Data

    GEM2000 Range Gas Analysers OMGEMN1.41 The following screen is displayed: The zero transducer operation will be carried out when the ‘Enter’ key is pressed. Note: The static and differential pressures are used when the pitot tube and Orifice plate options are used to measure flow. When the ‘Enter’...

  • Page 25: View Data

    GEM2000 Range Gas Analysers OMGEMN1.41 press the ‘Enter’ key. The following screen is displayed: Select ‘Key 3’ to edit logging parameters. Enter the ‘Pump Running Time’ in seconds; this is the length of time you wish to run the pump to draw the sample, e.g. key in 30 then press the ‘Enter’ key to accept.

  • Page 26: Print Data

    GEM2000 Range Gas Analysers OMGEMN1.41 Select ‘Key 5’ to scroll to the next page to view different data for the same borehole ID until ‘Key 5 – First Page’ is displayed. Select ‘Key 1’ to exit. 6.10.5 Print Data This option is no longer available for the GEM2000 range. For further information please contact Sales at Geotech (UK) Limited on +44(0)1926 338111 or email sales@geotech.co.uk.

  • Page 27: Adjust Contrast

    GEM2000 Range Gas Analysers OMGEMN1.41 6.10.6 Adjust Contrast The GEM2000 range of instruments automatically adjusts the screen contrast to maintain a normal viewing contrast according to the current read-out temperature. From the ‘Main’ menu select ‘Key 8 – Scroll Down’ to highlight ‘Adjust Contrast’ and press the ‘Enter’...

  • Page 28: Information Screen

    GEM2000 Range Gas Analysers OMGEMN1.41 Use the scroll keys to highlight the mode of operation required and press the ‘Enter’ key. Note: For operating instructions on how to use the GA2000 range mode of operation, please refer to the GA2000 Range Gas Analysers operating manual.

  • Page 29: Navigation

    GEM2000 Range Gas Analysers OMGEMN1.41 6.10.11 Navigation This option enables the user to switch on and off the ‘GPS Navigation’ screen. From the ‘Main’ menu select ‘Key 8 – Scroll Down’ to highlight ‘Navigation’ and press the ‘Enter’ key. Select ‘Key 8 – Scroll Down’ to highlight ‘Navigation On’ or ‘Navigation Off’ and press the ‘Enter’...

  • Page 30: Taking Readings

    GEM2000 Range Gas Analysers OMGEMN1.41 Taking Readings Preliminary Checks Before Taking Readings (Best Practice) Prior to use, it is good practice to ensure that: All necessary ID codes and Step 1 readings have been uploaded from GAM to the analyser. Check the ‘Mode of Operation’...

  • Page 31: Update Site Data

    GEM2000 Range Gas Analysers OMGEMN1.41 Inhaling hydrogen sulphide gas can cause death. It is the responsibility Warning of the user to ensure that he/she is adequately trained in the safety aspects of using H S. In particular, where hazardous gases are being used the gas exhausted from the analyser must be piped to an area where it is safe to discharge the gas.

  • Page 32: The Gas Flow Measurement Screen

    GEM2000 Range Gas Analysers OMGEMN1.41 The Gas Flow Measurement Screen The GEM2000 range gas analysers enable gas and flow measurements to be recorded by using the following methods: An anemometer. • • • • A pitot tube. • • • • An Orifice plate.

  • Page 33: How To Use An Anemometer (Optional)

    GEM2000 Range Gas Analysers OMGEMN1.41 How to Use an Anemometer (Optional) Anemometer Battery Pack The GEM2000 range 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 34 GEM2000 Range Gas Analysers OMGEMN1.41 Note: When the anemometer is not in use the conical fitting should be placed over the probe to protect it. The anemometer must fit centrally (the conical fitting must be set on the probe to half the pipe ID before insertion).
  • Page 35 GEM2000 Range Gas Analysers OMGEMN1.41 Anemometer Cleaning Instructions: General Handling Tips: Protect the probes against severe vibration. • • • • Do not kink the connector cable (risk of cable breakage). • • • • Never allow hard objects to contact rotating impellers. •...

  • Page 36: How To Use A Pitot Tube (Optional)

    GEM2000 Range Gas Analysers OMGEMN1.41 How to Use a Pitot Tube (Optional) The GEM2000 range of analysers 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.

  • Page 37: Cross Gas Effects On Chemical Cells

    GEM2000 Range Gas Analysers OMGEMN1.41 How to Use an H S Filter (Optional) 7.6.1 Cross Gas Effects on Chemical Cells Measurements of CO are important in landfill management. The Plus version of the analyser incorporates an improved CO measurement. Normal measurements of CO can be affected by two other gases that can be found in landfill gas –...

  • Page 38: Cross-Gas Effects On Methane, Carbon Dioxide And Oxygen

    GEM2000 Range Gas Analysers OMGEMN1.41 GEM2000 Interfering Gas Applied Chemical <3/~300* <-20 <40 Cell <0.5 ~-20 ~0.1 *after internal filter depleted. Note Other gases could cause cross-gas effects. If you suspect a cross sensitivity problem please contact the Technical Support Team at Geotech (UK) Limited on +44(0)1926 338111.
  • Page 39 GEM2000 Range Gas Analysers OMGEMN1.41 Instructions for Use: The following diagram shows how to modify the standard water trap and sample tubing to fit the H S filter. Standard Water Trap and Sample Tubing Standard Water Trap and Sample Tubing Standard Water Trap and Sample Tubing Standard Water Trap and Sample Tubing Cut the...
  • Page 40 GEM2000 Range Gas Analysers OMGEMN1.41 Fitting an H S Filter When Using a Pitot Tube: Attach Attach Attach Attach Sample Sample Sample Sample Tube Tube Tube Tube Top to Top to Top to Top to Bottom Bottom Bottom Bottom Water Water Water Water...

  • Page 41: How To Use A Temperature Probe (Optional)

    GEM2000 Range Gas Analysers OMGEMN1.41 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 GEM2000 range uses the temperature of the gas to give more accurate flow measurement readings.

  • Page 42: How To Use A Gas Pod (Optional)

    GEM2000 Range Gas Analysers OMGEMN1.41 How to Use a Gas Pod (Optional) The gas pod enables the site engineer to measure additional gases which are not measured as standard by the analyser i.e. SO (sulphur dioxide) or extended ranges of gases i.e.

  • Page 43: How To Use The Gps Feature (Optional)

    GEM2000 Range Gas Analysers OMGEMN1.41 How to Use the GPS Feature (Optional) The GPS feature is available on all models of the GEM2000 range. It enables the site engineer to automatically locate borehole IDs via GPS satellite signal from predefined borehole IDs uploaded from Gas Analyser Manager.
  • Page 44 GEM2000 Range Gas Analysers OMGEMN1.41 If no ID is required ‘Key 5’ to ‘Select no ID’ and then ‘Key 1’ to exit tracking. Once the operator selects a borehole ID the ‘GPS Navigation’ screen is displayed. Direction to Direction to Direction to Direction to the target...
  • Page 45 GEM2000 Range Gas Analysers OMGEMN1.41 Use the tracking display to locate the borehole. Before entering the GPS Navigation Screen for the first Warning time the following health and safety message will be displayed. “Please be aware of the terrain when using this screen. You are responsible for your own safety whilst walking on- site!”...
  • Page 46 GEM2000 Range Gas Analysers OMGEMN1.41 Change Distance Units Distance measurement in metres or feet. Display Scale Auto Auto is the default setting for rescaling the navigation screen. Display Scale Up Rescale the navigation screen up by value specified. Display Scale Down Rescale the navigation screen down by the specified value.

  • Page 47: Gem2000 Range Gps Feature - Best Practice

    GEM2000 Range Gas Analysers OMGEMN1.41 7.9.1 GEM2000 Range GPS Feature – Best Practice The following process outlines the recommended best practice when taking readings using the GPS feature. Note: For more information on taking gas and flow measurement readings, please refer to the process diagrams for ‘Taking Gas and Flow Measurements’.

  • Page 48: Taking Gas And Flow Measurement Processes - Best Practice

    GEM2000 Range Gas Analysers OMGEMN1.41 7.10 Taking Gas and Flow Measurement Processes – Best Practice Tips When Taking a Measurement: A prompt is displayed to ensure all tubes are disconnected, as a clean air purge will • • • • automatically be carried out at this point to ensure the previous sample is purged from the analyser.

  • Page 49: Taking Gas And Flow Measurement With Borehole Id

    GEM2000 Range Gas Analysers OMGEMN1.41 7.10.1 Taking Gas and Flow Measurement with Borehole ID GAS & FLOW MEASUREMENT WITH BOREHOLE ID (GEM2000 & GEM2000 Plus - Best Practice) Set-up GAM & Update Site Instrument Select Technician START UPLOAD to Questions if warm up ID if required analyser...

  • Page 50: Taking Gas And Flow Measurement Manual

    GEM2000 Range Gas Analysers OMGEMN1.41 7.10.2 Taking Gas and Flow Measurement Manual MANUAL GAS & FLOW MEASUREMENT (GEM2000 & GEM2000 Plus - Best Practice) Main Gas Press the pump Instrument Run a clean air START Read Screen key to stop the warm up purge (no pipes) (STEP 2)

  • Page 51: Calibration

    GEM2000 Range Gas Analysers OMGEMN1.41 Calibration Calibration Introduction The GEM2000 range of gas analysers are carefully calibrated at manufacture and when returned for service. However, it is sometimes desirable to be able to carry out a calibration process between services. This section outlines the correct procedures to enable the site engineer to field calibrate the gas analyser.

  • Page 52: Calibration Set-Up

    GEM2000 Range Gas Analysers OMGEMN1.41 CO 100ppm Calibration gas for CO 1000ppm Calibration gas for H compensated CO These are for general use but other gas concentrations can be used. Note: The above gases and most other gas concentrations can be supplied by Geotech (UK) Limited.

  • Page 53: Calibration Equipment

    GEM2000 Range Gas Analysers OMGEMN1.41 Calibration Equipment The diagram below displays the regulator and tubing equipment for user calibration: Certified calibration gas in 58 litre gas canisters is supplied with the Geotech • • • • calibration kit. Please refer to the Geotech website www.geotech.co.uk for further information.

  • Page 54: Calibration Mixture Processes - Best Practice

    GEM2000 Range Gas Analysers OMGEMN1.41 displayed in line ‘b’ are the span calibration gas levels that will need to be set to the concentration of the calibration gas. Note: Certain gas channels may not be active and will be shown as ‘N/A’. Ensure the unit is stabilised at its working temperature before performing any of the calibration operations.

  • Page 55: Low Level Calibration - Mixture 1

    GEM2000 Range Gas Analysers OMGEMN1.41 8.6.1 Low Level Calibration - Mixture 1 Mixture 1 - CH 5%, CO 5%, O (Air CH 0%, O 20.8%) Run the pump START Key 3 Target Go on to the (no pipes) Main menu select Concentration set gas Step 3 Zero All...
  • Page 56 GEM2000 Range Gas Analysers OMGEMN1.41 Instructions for Use - Mixture 1: When using the gas mixture 1 to perform a full user calibration of the gas analyser it is advisable to follow this sequence of operations. It is probably easiest at this point to set the span values of the different gases that will be used to calibrate the instrument.
  • Page 57 GEM2000 Range Gas Analysers OMGEMN1.41 Step 8 Attach the flow regulator with gas mixture 1 Step 9 Attach the regulator to the inlet port and turn on gas. Do not run the pump. Step 10 Allow the gas to flow through the unit for approximately two minutes or until reading stabilises.

  • Page 58: Span Multi Gas

    GEM2000 Range Gas Analysers OMGEMN1.41 Step 16 Calibrate O with Air Process @20.8% Calibration equipment is not required to perform this operation. Step 17 Remove gas source if attached. Step 18 From the ‘Check Calibration’ screen: Press to edit target concentrations. Scroll using and press to select O...

  • Page 59: Low Level Calibration - Mixture 2

    GEM2000 Range Gas Analysers OMGEMN1.41 8.6.2 Low Level Calibration - Mixture 2 © Copyright 2009 Geotechnical Instruments (UK) Limited Page 59...
  • Page 60 GEM2000 Range Gas Analysers OMGEMN1.41 Instructions for Use - Mixture 2: When using the gas mixture 2 to perform a full user calibration of the gas analyser it is advisable to follow this sequence of operations. It is probably easiest at this point to set the span values of the different gases that will be used to calibrate the instrument.
  • Page 61 GEM2000 Range Gas Analysers OMGEMN1.41 can not be zeroed with air, but mixture 2 can be used. The methane and carbon dioxide can be calibrated with gas mixture 2 at the same time. Step 8 Attach the flow regulator with gas mixture 2. Step 9 Attach the regulator to the inlet port and turn on gas.
  • Page 62 GEM2000 Range Gas Analysers OMGEMN1.41 Step 16 Go on to the Calibrate O with Air Process with Mixture 1@20.8% Calibration equipment is not required to perform this operation. Step 17 Remove gas source if attached. Step 18 Press to switch on pump. Allow the pump to run for approximately two minutes or until reading stabilises;...

  • Page 63: High Level Calibration - Mixture 3

    GEM2000 Range Gas Analysers OMGEMN1.41 8.6.3 High Level Calibration - Mixture 3 Mixture 3 - CH 60% CO 40% O (Air CH 0%, O 20.8%) Key 3 Target Run the pump Go on to the Main menu Concentration set (no pipes) START Step 1 select Field...
  • Page 64 GEM2000 Range Gas Analysers OMGEMN1.41 Instructions for Use - Mixture 3: If the analyser were required to be calibrated with better accuracy 60% CH 40% CO , gas mixture 3 would be recommended and it is advisable to follow this sequence of operations. It is probably easiest at this point to set the span values of the different gases that will be used to calibrate the instrument.
  • Page 65 GEM2000 Range Gas Analysers OMGEMN1.41 Unlike zeroing the methane or auxiliary channels, the oxygen channel can not be zeroed with air, mixture 3 must be used. The methane and carbon dioxide can be calibrated with gas mixture 3 at the same time. Step 8 Attach the flow regulator with mixture 3 Step 9...
  • Page 66 GEM2000 Range Gas Analysers OMGEMN1.41 Step 16 Go on to the Calibrate O with Air Process @20.8% Calibration equipment is not required to perform this operation. Step 17 Remove gas source if attached. Step 18 Press to switch on pump. Allow the pump to run for approximately two minutes or until reading stabilises;...

  • Page 67: Calibration Of Co - Mixture 100Ppm

    GEM2000 Range Gas Analysers OMGEMN1.41 8.6.4 Calibration of CO – Mixture 100ppm (GEM2000) Run the pump Key 3 Target Main menu Go on to the (no pipes) Concentration set Step 3 Zero CO START Step 1 select Field Step 4 Step 2 Clean Air Purge gas mixture CO...
  • Page 68 GEM2000 Range Gas Analysers OMGEMN1.41 Enter the appropriate value for the highlighted channel then press When using CO gas mixture, set CO at 100ppm. Step 3 Go on to the Zero CO Process For this zeroing operation none of the calibration equipment is required. Remove gas source if attached.

  • Page 69: Calibration Of H Compensated Co - Mixture Co 100Ppm H 1000Ppm

    GEM2000 Range Gas Analysers OMGEMN1.41 8.6.5 Calibration of H Compensated CO – Mixture CO 100ppm H 1000ppm (GEM2000 PLUS) START Key 3 Target Run the pump Main menu Go on to the Step 1 Concentration set (no pipes) select Field Step 2 Step 3 Zero Channels...
  • Page 70 GEM2000 Range Gas Analysers OMGEMN1.41 Step 1 From the ‘Main Gas Read Screen’ select ‘Menu’. Select ‘Key 1’ from the menu and use ‘Key 8 - Scroll Down’ to select ‘Field Calibration’. From the ‘Check Calibration’ screen select ‘Key 3’ to edit target concentrations.
  • Page 71 GEM2000 Range Gas Analysers OMGEMN1.41 Step 9 Go on to the Calibrate CO Process Always ensure that the CO channel has been zeroed before performing the CO calibration operation. Step 10 Attach the flow regulator with 100ppm CO mixture. Do not run the pump. Step 11 Attach the regulator to the inlet port.

  • Page 72: Confirm Calibration

    GEM2000 Range Gas Analysers OMGEMN1.41 Confirm Calibration This feature allows the operator to store the accuracy of the instrument in the event log. 8.7.1 Confirm Multi-Gas The ‘Span Multi-gas’ option must only be used when the calibration gas being used is a combination of CH , CO and O...

  • Page 73: Factory Settings

    GEM2000 Range Gas Analysers OMGEMN1.41 Step 2 From the ‘Check Calibration’ screen: Scroll using and press to select required gas channel. Enter the appropriate value for the highlighted channel then press Repeat for other channels. Step 3 Attach the flow regulator with target gas. Do not run the pump.

  • Page 74: Calibration Record

    GEM2000 Range Gas Analysers OMGEMN1.41 8.10 Calibration Record The GEM2000 range has the facility to log user calibrations in an ‘Event Log’ which is accessible to the user via the optional product Gas Analyser Manager. This can be used as an aid to ensuring that gas measurements are valid and accurate.

  • Page 75: Problem Solving

    GEM2000 Range Gas Analysers OMGEMN1.41 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 Geotech (UK) Limited on +44(0)1926 338111 or email technical@geotech.co.uk. Warning and Error Display When switched on the instrument will perform a pre-determined self-test sequence taking approximately 15 seconds.

  • Page 76: User Calibration Trouble Shooting

    GEM2000 Range Gas Analysers OMGEMN1.41 Under and Over Range Codes If a reading is under range (i.e. below zero) it will be displayed with ‘less than’ chevrons << ). This can occur if a channel has been incorrectly calibrated. If a reading is over range (i.e. above the maximum allowed reading) it will be displayed >>...

  • Page 77: Service

    GEM2000 Range Gas Analysers OMGEMN1.41 10.0 Service The GEM2000 range analyser should be regularly serviced to ensure correct and accurate operation. Geotech (UK) Limited recommends a service and recalibration every 6 months. The GEM2000 range is ATEX certified for use in potentially explosive areas. As such it should be serviced only by qualified engineers.

  • Page 78: Warranty Policy

    GEM2000 Range Gas Analysers OMGEMN1.41 11.0 Warranty Policy This instrument is guaranteed, to the original end user purchaser, against defect in materials and workmanship for a period of 12 months from the date of the shipment to the user. During this period Geotechnical Instruments (UK) Limited will repair or replace defective parts on an exchange basis.

  • Page 79: Technical Specifications

    GEM2000 Range Gas Analysers OMGEMN1.41 12.0 Technical Specifications 12.1 GEM2000 Technical Specification GEM2000 Technical Specification POWER SUPPLY Rechargeable Nickel Metal Hydride battery pack containing six 4AH cells Battery type (not user replaceable) Battery life Typical use 10 hours from fully charged Battery lifetime Up to 1000 charge/discharge cycles Battery charger...
  • Page 80 GEM2000 Range Gas Analysers OMGEMN1.41 PUMP Flow 550ml/min typically Flow fail point -200mbar Vacuum- User Settable* Maximum vacuum restart -375mbar approximately with flow rate of approx 80ml/min ENVIRONMENTAL CONDITIONS Operating temperature range 0° C – 40 ºC Relative humidity 0 – 95% non condensing Case seal IP65 Barometric pressure...

  • Page 81: Gem2000 Plus Technical Specification

    GEM2000 Range Gas Analysers OMGEMN1.41 12.2 GEM2000 Plus Technical Specification GEM2000 Plus Technical Specification POWER SUPPLY Rechargeable Nickel Metal Hydride battery pack containing six 4AH cells (not Battery type user replaceable) Battery life Typical use 10 hours from fully charged Battery lifetime Up to 1000 charge/discharge cycles Battery charger...
  • Page 82 GEM2000 Range Gas Analysers OMGEMN1.41 FACILITIES Temperature measurement -10° C to +75 ºC with optional probe Temperature accuracy ±1.0 ºC with optional probe Visual and audible alarm User selectable CO2, CH4 and O2 alarm levels* Communications Via USB lead to 7 pin Lemo connector* Relative pressure ±500 mbar from calibration pressure ±4mbar typically (should be zeroed before reading) to ±15mbar max...

  • Page 83: Event Log

    GEM2000 Range Gas Analysers OMGEMN1.41 13.0 Event Log The following events are recorded in the instrument’s event log. The event log can only be downloaded using the additional Gas Analyser Manager. Please refer to the GAM operating manual for further details. Event Description Event Data...
  • Page 84 GEM2000 Range Gas Analysers OMGEMN1.41 Readings uploaded to instrument Mode(GA, GEM),No of readings IDs downloaded from instrument Mode(GA,GEM),No of readings IDs uploaded to instrument Mode(GA,GEM),No of readings Technician login Technician ID Auto-purge Seconds Power Off Auto Purge Seconds Warning over-pressurised Pressure Reading Keyboard locked 1=Locked and 0=Unlocked...
  • Page 85 GEM2000 Range Gas Analysers OMGEMN1.41 Low flow warning Target Value, Gas Reading Battery low warning (<20%) Reading memory nearly full warning Variable(s) in RAM out-of-range / corrupt Clock invalid / corrupt Service overdue Secondary sensor reads error at start-up Channel No. Chemical cell reads error at start-up Cell Type Primary sensor reads error at start-up...

  • Page 86: Sample Certificate Of Calibration

    GEM2000 Range Gas Analysers OMGEMN1.41 14.0 Sample Certificate of Calibration This is a sample certificate of calibration supplied at the time of purchase and updated when the instrument is serviced. Page 86 © Copyright 2009 Geotechnical Instruments (UK) Limited...
  • Page 87 GEM2000 Range Gas Analysers OMGEMN1.41 © Copyright 2009 Geotechnical Instruments (UK) Limited Page 87...

  • Page 88: Important Notice To All Customers

    GEM2000 Range Gas Analysers OMGEMN1.41 15.0 Important Notice to All Customers WEEE COMPLIANT The wheelie bin symbol now displayed on equipment supplied by Geotechnical Instruments (UK) Limited signifies that the apparatus must not be disposed of through the normal municipal waste stream but through a registered recycling scheme. The Waste Electrical and Electronic Equipment directive (WEEE) makes producers responsible from July 1 2007 in meeting their obligations, with the fundamental aim of reducing the...

  • Page 89: Declaration Of Conformity - English Language

    GEM2000 Range Gas Analysers OMGEMN1.41 16.0 Declaration of Conformity – English Language Products • GA2000/GA2000 Plus - Landfill Gas Analyser • GEM2000/GEM2000 Plus - Landfill Gas Analyser and Extraction Monitor Geotechnical Instruments (UK) Limited declares that the item(s) described above are in compliance with the following standards: ATEX Directive 94/9/EC SIRA Certification Service...

  • Page 90: Gem2000 Range Glossary Of Terms

    GEM2000 Range Gas Analysers OMGEMN1.41 17.0 GEM2000 Range Glossary of Terms Operational errors are prefixed on the analyser Analyser error messages by the word ERROR followed by an error code. Refer to the list of standard error codes for more information.
  • Page 91 GEM2000 Range Gas Analysers OMGEMN1.41 Process used to clear out gas from the sample Clean air purge tube and analyser prior to taking a new reading. Carbon monoxide Carbon dioxide A cold start should only be carried out to correct Cold start an instrument if no other course of action has proved successful.
  • Page 92 GEM2000 Range Gas Analysers OMGEMN1.41 External device used to measure gas. The External gas pod GEM2000 can read an external gas pod providing that it does not have the two internal chemical cells fitted. The GEM2000 Plus has the facility to read an external gas pod in addition to the internal chemical cells fitted.
  • Page 93 GEM2000 Range Gas Analysers OMGEMN1.41 Organic compound consisting of only hydrogen Hydro-carbons and carbon. An error made by the user during ‘field Incorrect user calibration calibration’. This can be reversed by using the ‘factory settings’ option. Port located on the top right hand side of the Inlet port analyser to which the sample tube is attached.
  • Page 94 GEM2000 Range Gas Analysers OMGEMN1.41 The MCERTS product certification scheme provides for the certification of products according to Environment Agency performance standards, based on relevant CEN, ISO and national standards. MCERTS certified instruments have been tested by an independent body to ensure that they meet certain performance requirements.
  • Page 95 GEM2000 Range Gas Analysers OMGEMN1.41 Quick Release Coupler QRC connectors Reading ID The user definable identification tag allocated to a sample point. The pressure at the sample point ‘relative’ to Relative pressure atmospheric (barometric) pressure. The internal component used to measure the Relative pressure transducer relative pressure.
  • Page 96 GEM2000 Range Gas Analysers OMGEMN1.41 These questions are defined via the GAM software. Upload Terminology used for the movement of data from the PC GAM software application to the analyser. The facility for performing a ‘field calibration’. User calibration Mock keyboard found on the GEM2000 analyser. Virtual keyboard This is used for manual entry of additional comments or observations.

  • Page 97: Appendices - Safety Instructions

    GEM2000 Range Gas Analysers OMGEMN1.41 18.0 Appendices – Safety Instructions 18.1 Instructions for Safe Use – Italian Language Istruzioni per un uso sicuro Istruzioni specifiche per le installazioni in aree pericolose (Vedere la direttiva europea ATEX 94/9/EC, Allegato II, 1.0.6.) Le seguenti istruzioni valgono per le apparecchiature coperte dai numeri di certificato Sira 06ATEX2202X: L'apparecchiatura va usata con gas e vapori infiammabili con il gruppo di...
  • Page 98 GEM2000 Range Gas Analysers OMGEMN1.41 Il GEM2000/GEM2000 Plus/GEM2000/GEM2000Plus può essere usato Avvertenza per misurare i gas che fuoriescono dalle discariche e da altre fonti, come descritto in questo manuale. L'inalazione di questi gas potrebbe essere pericolosa per la salute e, in alcuni casi, fatale. È responsabilità...
  • Page 99 GEM2000 Range Gas Analysers OMGEMN1.41 Accessori che non possono essere usati in un'atmosfera potenzialmente esplosiva. I seguenti accessori non vengono trattati dalla valutazione Ex dello strumento e non sono certificati per l'uso in un'atmosfera potenzialmente esplosiva. Tutti i serbatoi di gas Rilevatore dell'anemometro Serbatoio di flusso esterno Taratura...
  • Page 100 GEM2000 Range Gas Analysers OMGEMN1.41 Filtro dell'acqua in Va regolarmente controllato per verificare la presenza di ostruzioni linea o danni e, se necessario, sostituito. Lo strumento non viene mai utilizzato senza il filtro dell'acqua in linea, in quanto questo potrebbe far sì che l'acqua penetri nello strumento. Filtro Il filtro antiparticolato si trova sul fondo dello strumento e vi si può...
  • Page 101 GEM2000 Range Gas Analysers OMGEMN1.41 Dichiarazione di conformità EC • GA2000/GA2000 Plus - Analizzatore gas Landfill Prodotti • GEM2000/GEM2000 Plus - Analizzatore gas e monitor di estrazione Landfill Geotechnical Instruments (UK) Limited dichiara che gli elementi sopra descritti sono conformi ai seguenti standard: Direttiva ATEX 94/9/EC Assistenza certificazione SIRA Ente certificatore...

  • Page 102: Instructions For Safe Use - German Language

    GEM2000 Range Gas Analysers OMGEMN1.41 18.2 Instructions for Safe Use – German Language Anweisungen für den sicheren Gebrauch Anweisungen für Installationen in Gefahrenbereichen (Referenz: Europäische ATEX-Richtlinie 94/9/EG, Anhang II, 1.0.6) Die folgenden Anweisungen gelten für Geräte, die durch die Zertifikatsnummern Sira 06ATEX2202X abgedeckt sind: Das Gerät kann mit brennbaren Gasen und Dämpfen mit Gerätegruppe IIA und •...
  • Page 103 GEM2000 Range Gas Analysers OMGEMN1.41 Der GEM2000/GEM2000 Plus/GEM2000/GEM2000Plus kann – wie in Warnung diesem Handbuch beschrieben – zur Messung der Gasentwicklung an Mülldeponien sowie an anderen Quellen eingesetzt werden. Das Einatmen dieser Gase kann gesundheitsschädlich und in manchen Fällen tödlich sein. Es liegt in der Verantwortung des Benutzers, dafür zu sorgen, dass er hinsichtlich der Sicherheitsaspekte der eingesetzten Gase angemessen geschult wird und dass geeignete Prozeduren eingehalten...
  • Page 104 GEM2000 Range Gas Analysers OMGEMN1.41 Zubehör, das in einem explosionsgefährdeten Bereich nicht eingesetzt werden darf. Das folgende Zubehör ist von der Ex-Einstufung des Instruments nicht abgedeckt und damit für den Einsatz in einem explosionsgefährdeten Bereich nicht zertifiziert. Alle Gaskapseln Anemometer-Fühler Externer Durchsatzfühler Kalibrierung Auslassöffnung...
  • Page 105 GEM2000 Range Gas Analysers OMGEMN1.41 Zwischengeschalteter Er sollte regelmäßig auf Hindernisse oder Beschädigung Wasserfilter überprüft Bedarf ausgewechselt werden. Instrument sollte niemals ohne den zwischengeschalteten Wasserfilter betrieben werden, da andernfalls Wasser in das Instrument eintreten kann. Partikelfilter Partikelfilter befindet sich Unterseite Instruments und ist durch Entfernen des Kunststoffstopfens zu erreichen.
  • Page 106 GEM2000 Range Gas Analysers OMGEMN1.41 EG-Konformitätserklärung • GA2000/GA2000 Plus – Gasanalysator für Mülldeponien Produkte • GEM2000/GEM2000 Plus – Gasanalysator für Mülldeponien und Extraktionsüberwachungsgerät Geotechnical Instruments (UK) Limited. erklärt, dass der/die oben genannten Artikel mit den folgenden Normen konform sind: ATEX-Richtlinie 94/9/EG SIRA Certification Service Zertifizierungsbehörde 0518...

  • Page 107: Instructions For Safe Use - French Language

    GEM2000 Range Gas Analysers OMGEMN1.41 18.3 Instructions for Safe Use – French Language Instructions pour une utilisation sûre Instructions spécifiques pour les installations dans des emplacements dangereux (Référence Directive européenne ATEX 94/9/CE, Annexe II, 1.0.6.) Les instructions suivantes s’appliquent au matériel couvert par le numéro de certificat Sira 06ATEX2202X : •...
  • Page 108 GEM2000 Range Gas Analysers OMGEMN1.41 Le GEM2000/GEM2000 Plus/GEM2000/GEM2000Plus peut être utilisé pour mesurer les gaz émis par les sites d’enfouissement et autres Avertissement sources, comme décrit dans le présent manuel. L’inhalation de ces gaz peut être dangereuse, voire mortelle dans certains cas. L’utilisateur doit veiller à...
  • Page 109 GEM2000 Range Gas Analysers OMGEMN1.41 Les accessoires suivants ne sont pas couverts par la certification Ex de l’appareil et ne sont donc pas certifiés pour une utilisation en atmosphères potentiellement explosives. Sondes de gaz Sonde d’anémomètre Sonde de débit Etalonnage Orifice d’évacuation Avertissement Lors de l’étalonnage de l’analyseur de gaz, le gaz peut être...

  • Page 110: Instructions For Safe Use - Spanish Language

    GEM2000 Range Gas Analysers OMGEMN1.41 l’appareil ; ôter l’obturateur en plastique pour y accéder. Remplacer tout filtre contaminé. Ne jamais utiliser l’appareil sans le filtre. Veiller à ne pas trop serrer l‘obturateur – un serrage à main est suffisant. Tuyau d’échantillonnage Toujours s'assurer que les tuyaux d'échantillonnage ne sont ni contaminés ni abîmés.
  • Page 111 GEM2000 Range Gas Analysers OMGEMN1.41 Instrucciones para la utilización segura Instrucciones Específicas para Instalaciones en Áreas de Peligro (Directiva Europea de Referencia ATEX 94/9/EC, Anexo II, 1.0.6.) Las siguientes instrucciones son aplicables para los equipos cubiertos por los certificados Sira Nº 06ATEX2202X: El equipo puede utilizarse con vapores y gases inflamables con aparatos del grupo •...
  • Page 112 GEM2000 Range Gas Analysers OMGEMN1.41 GEM2000/GEM2000 Plus/GEM2000/GEM2000Plus pueden Advertencia utilizarse para medir gases en vertederos y otras fuentes, como se describe en este manual. La inhalación de estos gases puede ser nociva para la salud y en algunos casos puede resultar fatal. Es responsabilidad del usuario asegurar que él/ella esté...
  • Page 113 GEM2000 Range Gas Analysers OMGEMN1.41 Todos los gas pods Sonda del anemómetro Pod de flujo externo Calibración Terminal de escape Advertencia Cuando se está calibrando el analizador de gas, hay dos posibles salidas del gas: mediante la forma usual por el terminal de escape del analizador o en los casos de ”...
  • Page 114 GEM2000 Range Gas Analysers OMGEMN1.41 volver a poner el tapón asegúrese de no apretarlo demasiado, el apriete con los dedos es suficiente. Tubos para muestras Asegúrese de que los tubos para muestras no estén contaminados ni dañados. Conectores QRC Compruebe periódicamente que las juntas tóricas de los conectores de gas QRC no estén dañadas.

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Geotech gem2000 plusGeotech gem2000

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