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Gas Data GFM436 User Manual

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9ENG8008 GFM436 User Manual
Exported on
02/02/2024

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Summary of Contents for Gas Data GFM436

  • Page 1 9ENG8008 GFM436 User Manual Exported on 02/02/2024...

  • Page 2: Table Of Contents

    4.2 Spares List ..........................10 Safe Use of the GFM436 ..................12 5.1 Important Safety Related Points....................12 GFM436 Product Specification ................14 6.1 Introduction to the GFM436 Functions and Features .............14 6.2 GFM436 Instrument Specification....................16 6.3 Specialist Functionality ......................18 6.3.1 Lower Explosive Limit ............................. 18 6.3.2 Managing Hydrocarbons Using the Hexane Channel....................
  • Page 3 9ENG8008 GFM436 User Manual 7.4 View Readings ...........................35 7.5 Clock Display ..........................37 7.6 Connecting the Gas Sample Pipe .....................38 Gas Readings .......................41 8.1 Gas Display ..........................41 8.2 Gas Display Two ........................42 Pressure Readings....................44 9.1 Connecting the Gas Flow Pipe....................44 9.2 Taking a Static Pressure (SP) Measurement................46 10 Gas Velocity Readings ..................48...
  • Page 4 9ENG8008 GFM436 User Manual 15 GFM436 - Maintenance..................76 16 Appendix A – Velocity Flow Conversion Charts ..........77 17 Appendix B – Understanding Instruments For Use In Flammable Atmospheres .......................78 17.1 Hazardous areas classified by zones..................78 17.2 Different types of gas ........................78 17.3 Design and construction of intrinsically safe instruments for use in flammable...
  • Page 5 9ENG8008 GFM436 User Manual 20.1.3 IECEx: ..................................88 20.2 Notified body..........................89 20.3 Additional information ......................89 20.4 Signature ...........................90 20.5 UK DoC............................90 20.5.1 The Electromagnetic Compatibility Regulations 2016:..................91 20.5.2 Equipment and Protective Systems Intended for use in Potentially Explosive Atmospheres Regulations 2016:..................................

  • Page 6: Handheld Gas Analyser For Landfill

    9ENG8008 GFM436 User Manual 1 Handheld Gas Analyser for Landfill Gas Data Ltd. Unit D Earlplace Business Park Fletchamstead Highway Coventry CV4 9XL office@gasdata.co.uk +44 (0) 24 7630 3311 mailto:office@gasdata.co.uk https://gasdataltd.atlassian.net/wiki/spaces/IMSM/pages/528548839/Gas+Data+Contact+Information https://gasdataltd.atlassian.net/wiki/spaces/IMSM/pages/528548839/Gas+Data+Contact+Information Handheld Gas Analyser for Landfill- 6...

  • Page 7: Warnings

    9ENG8008 GFM436 User Manual WARNINGS The manufacturer reserves its right to update the contents of this manual, in line with the evolution of the product. Text and pictures in the manual are not binding. Copyright © 2023 All rights to translation, adaptation and reproduction by any process reserved in all countries. No part of this document may be copied, reproduced or transcribed without the written consent of the manufacturer.

  • Page 8: Gfm436

    9ENG8008 GFM436 User Manual GFM436 The GFM436 gas analyser is part of the GFM range, designed and manufactured by Gas Data Ltd. GFM436- 8...

  • Page 9: Gfm436 General Information

    4 GFM436 General Information 4.1 Introduction The Gas Data GFM436 handheld series of analysers is designed specifically for monitoring and analysing gas content of landfill, biogas and contaminated land sites. It measures the methane, oxygen and carbon dioxide content of site gases, gas pressure or vacuum, and gas velocity.

  • Page 10: Spares List

    9ENG8008 GFM436 User Manual 4.2 Spares List Category Description GD order code Spares GFM internal Filters 15mm 18811 GFM external Filters 25mm 18810 GFM external Filters 50mm 18818 GFM/Click! Sample Pipe Connector (Male Metal) 18812 Chrome Plate Brass Coupling 1/8" ID Hose St.Thru...
  • Page 11 9ENG8008 GFM436 User Manual Universal DC In-Car Multi Voltage Power Adaptor 21266 GFMxxx North America Charger Foot (Blue Bag) 22626 Accessories USB Download cable 16501 Brass Temperature Probe 16503 Leather cover 16781 GFM Vane Anemometer Probe 0.5 - 40m/s 16502...

  • Page 12: Safe Use Of The Gfm436

    9ENG8008 GFM436 User Manual 5 Safe Use of the GFM436 This instrument has been designed to operate in typical field environments where flammable gases may be present. All ‘Special Conditions for Safe Use’ as detailed on the ATEX, UKEX and IECEx certificates (see the appendices) must be adhered to.
  • Page 13 If in doubt about the suitability of this instrument for a particular application call the manufacturer for further advice. Safe Use of the GFM436- 13...

  • Page 14: Gfm436 Product Specification

    9ENG8008 GFM436 User Manual 6 GFM436 Product Specification 6.1 Introduction to the GFM436 Functions and Features The GGFM436 is an ATEX accredited hand-held gas analyser designed specifically for monitoring and analysing soil gas parameters in greenfield and brownfield (contaminated land) sites and landfill sites.
  • Page 15   To help conserve battery life, the GFM436 features an auto power off facility. It will switch itself off after 15 minutes if no keys are pressed or there is no USB communication activity. During unattended data logging, it can be set to shut itself down after taking a sample and turn itself back on to take the next sample.

  • Page 16: Gfm436 Instrument Specification

    9ENG8008 GFM436 User Manual including the time and date it was stored and a 32-character alphanumeric label. Using Gas Data's SiteMan5 program data and labels can be transferred to and from a PC via a USB connection cable. 6.2 GFM436 Instrument Specification General Ex.
  • Page 17 9ENG8008 GFM436 User Manual GFM436 Channels Channel Range Typical Accuracy Typical Response Methane 0 to 100% (0.1) 0.3% @ 5%, 3.0% @ 60%, 3.0% @ 100%   0 to 100% LEL (0.1) 4% LEL   Carbon Dioxide 0 to 100% (0.1) 0.3% @ 5%, 3.0% @ 40%,...

  • Page 18: Specialist Functionality

    With the GFM436 when and if the methane sensor shows an over-range signal or abnormally high methane value (a good indicator that other hydrocarbons are present in the borehole) the hexane value will remain valid and in range up to 2.000%.

  • Page 19: Pid Compensation Factor Prediction

    The built in PID Compensation factor in the GFM436 is a figure derived from extensive testing of the non-linear characteristics of this phenomenon and is displayed on the GFM instrument as a number between 1 and 10. This is...

  • Page 20: Third Party Approvals

    9ENG8008 GFM436 User Manual used to multiply the PID reading to give an accurate total hydrocarbon value in the borehole. This figure is accurate for the Ionscience Ltd Phocheck range of PIDs up to a value of 10 which occurs at approximately 9% methane in the borehole.

  • Page 21: In The Case

    9ENG8008 GFM436 User Manual • When the battery cover or inlet housing has been removed or unscrewed For full information and details see the chapter on safety and the appendix on ATEX, UKEX and IECEx Certification. 6.5 In the Case...
  • Page 22 9ENG8008 GFM436 User Manual GFM436 Product Specification- 22...

  • Page 23: Front Panel Control Layout

    9ENG8008 GFM436 User Manual 6.6 Front Panel Control Layout Charge indicator light can be in one of three states: • Solid red – in fast-charge mode (800mA). • Solid green – terminated fast-charge mode. • Alternating red & green – In an indeterminable state not suitable for charging (This is usually due to temperature issue.

  • Page 24: Gfm436 Connections

    9ENG8008 GFM436 User Manual 6.7 GFM436 Connections GFM436 Product Specification- 24...

  • Page 25: Optional Extra Accessories

    9ENG8008 GFM436 User Manual 6.8 Optional Extra Accessories Vane anemometer – Air velocity measuring device. Brass Temperature Probe – Gas line temperature Instructions and information can be found in the Gas measuring device. Instructions and information can be Velocity Readings chapter.
  • Page 26 9ENG8008 GFM436 User Manual In Car charger – additional power adapter, available Gas Cylinder and demand flow regulator – available for purchase on request. for User Calibration, see the User Calibration chapter. GFM436 Product Specification- 26...

  • Page 27: Gfm436 Operation

    9ENG8008 GFM436 User Manual 7 GFM436 Operation 7.1 Starting Up Press the Power Key to turn the instrument on. When turned on the instrument will take a few seconds to boot up. During this time a ‘loading’ banner will be displayed. After a few seconds, the instrument will show the display below: After booting up the instrument commences a warm-up period.

  • Page 28: Navigating The Screens

    9ENG8008 GFM436 User Manual 7.2 Navigating the screens Use the left or right navigation keys to move to the operation screens. Each operation screen, Gas, Pressure, Valve comment and Velocity & Temperature, has the following functions: • Run the pump/sample •...

  • Page 29: Reading The Displays

    9ENG8008 GFM436 User Manual Use the up and down navigation keys to scroll up and down on the display pages. The next sections will describe each operation that can be carried out on the instrument. For information on storing the data please the chapter on Storing Data.
  • Page 30 9ENG8008 GFM436 User Manual GFM436 Operation- 30...
  • Page 31 9ENG8008 GFM436 User Manual The Right Soft Key will toggle the pump/sample on and off, changing the readings. GFM436 Operation- 31...
  • Page 32 9ENG8008 GFM436 User Manual When the pump is running, the screen will display live readings being taken from the Gas Sample line or connected accessory. Pressing the Right soft key again will stop the pump/sample. When finished with the sample, turn off the pump and the last reading will latch and be displayed on the screen as shown below.
  • Page 33 9ENG8008 GFM436 User Manual These latched readings can be stored in the instruments non-volatile FLASH memory by pressing the left soft key. The menu shown below appears. GFM436 Operation- 33...
  • Page 34 9ENG8008 GFM436 User Manual For information on the Store function on this display, see the chapter on Storing Data. Pressing the middle soft key will open the menu shown below. GFM436 Operation- 34...

  • Page 35: View Readings

    9ENG8008 GFM436 User Manual The menu has the following functions: • Sample Point Setup - Setting up sample points for storing readings through creating an ID structure. Specific instructions for this can be found in the chapter on Sample Point Set Up.
  • Page 36 9ENG8008 GFM436 User Manual For instruction on understanding the ID structure, see the chapter on Data Storage ID Structure. GFM436 Operation- 36...

  • Page 37: Clock Display

    9ENG8008 GFM436 User Manual Once the required ID has been selected, scroll down to view the readings. Readings can be deleted by pressing the middle soft key. 7.5 Clock Display All stored readings are stamped with the date and time. To change the date or time of the instrument, navigate to the Menu and scroll down to “Set clock”...

  • Page 38: Connecting The Gas Sample Pipe

    9ENG8008 GFM436 User Manual Use the arrow keys to navigate to the desired field. Press the OK key to begin editing. Press the Up and Down arrows to change the field. Press the left soft key to save changes. 7.6 Connecting the Gas Sample Pipe To take a gas sample first connect the plastic sample pipe fitted with the filter to the 'Gas In' port at the top of the instrument.
  • Page 39 9ENG8008 GFM436 User Manual The Right Soft Key will toggle the pump on and off and will display “Start Pump” or the elapsed pump run time. When the elapsed time is displayed, pressing the soft key beneath will stop the pump.
  • Page 40 9ENG8008 GFM436 User Manual When the readings have stabilised press the Right Soft Key again to freeze the reading.   When the pump is stopped the values a “frozen” at the last measured value. Turn off the gas tap and remove the gas pipe.

  • Page 41: Gas Readings

    9ENG8008 GFM436 User Manual 8 Gas Readings 8.1 Gas Display The instrument will now be displaying the readings from the gas sample that has just been taken. This screen is the main display for viewing gas readings. In a standard configuration instrument, it shows CH4, CO2, O2, LEL, H2S, CO, C6H14 (Hex) and PID Cf.

  • Page 42: Gas Display Two

    9ENG8008 GFM436 User Manual 8.2 Gas Display Two The second gas display show more analysis results from the gas being sampled. It is accessed by pressing the Right Arrow key. This display shows CH4, LEL, C6H14 (Hex) and PID Cf all on the same screen at the same time.
  • Page 43 9ENG8008 GFM436 User Manual When finished turn off the gas tap and remove the gas pipe.  IMPORTANT: Take great care when connecting the pipe to the gas tap to avoid gas leakage. Gas Readings- 43...

  • Page 44: Pressure Readings

    9 Pressure Readings 9.1 Connecting the Gas Flow Pipe The GFM436 will measure Flow, Peak Flow, DP and AP at the same time. This requires a connection to be made to the Flow in port as shown in the diagram above.
  • Page 45 9ENG8008 GFM436 User Manual Press the right soft key to stop sampling.  IMPORTANT: It is important to complete the zeroing in an environment where there is no flow or pressure and ensure that the end of the flow tube is not exposed to any external flows or pressures.

  • Page 46: Taking A Static Pressure (Sp) Measurement

    9ENG8008 GFM436 User Manual 9.2 Taking a Static Pressure (SP) Measurement Four readings are shown on screen and pressing the Up and Down Keys will scroll up and down to view the readings. Scroll down to use the SP (Static Pressure) function.
  • Page 47 9ENG8008 GFM436 User Manual Connect the open end of the gas flow tube to the gas tap or sample point on the pipework to be checked. Open the gas tap and press the Right Soft Key to begin sampling. The Right Soft Key will toggle the sampling process on and off.

  • Page 48: Gas Velocity Readings

    9ENG8008 GFM436 User Manual 10 Gas Velocity Readings 10.1 Gas Velocity Measurement with Optional Vane Anemometer Connect the vane anemometer to the Comms port at the top of the instrument. Locate a suitable gland or bung on the pipework and insert the anemometer.
  • Page 49 9ENG8008 GFM436 User Manual When the reading has stabilised, press the “Sample” key to retain the reading. The anemometer can now be removed from the pipe.  IMPORTANT: Take great care when inserting the anemometer to avoid gas leakage. ...

  • Page 50: Gas Temperature Readings

    11.2 DIP Meter Reading The DIP Level function on the GFM436 allows two DIP level readings - DIP1 and DIP2 - to be entered and stored for each location ID. ...
  • Page 51 9ENG8008 GFM436 User Manual  IMPORTANT: The DIP level will be saved on exiting the display but switching the instrument off without exiting the display may cause entered data to be lost. Gas Temperature Readings- 51...

  • Page 52: Storing Data

    9ENG8008 GFM436 User Manual 12 Storing Data This instrument has a built-in, non-volatile, FLASH memory which allows the user to save gas concentration, pressure, velocity and temperature readings at the time and date they are saved. The data is saved in a Comma Separated Value (CSV) format.

  • Page 53: Data Storage Id Structure

    9ENG8008 GFM436 User Manual Up to 3000 readings can be recorded on the instrument. Continuing to store readings this way will add them to device’s memory without an ID against them. It will save them against a time and date instead.
  • Page 54 9ENG8008 GFM436 User Manual If a reading is stored within ID1 under a certain name, then it is saved in the equivalent of a folder within the top level that is named that specific name. And so, if the reading is stored under an ID1 and an ID2 then it is the equivalent of being stored in a folder that is within a folder on a top level.
  • Page 55 9ENG8008 GFM436 User Manual The two diagrams below show examples of how a user may configure the IDs. The first example is a very simple set up. This may be used if the instrument has one user on one site.
  • Page 56 9ENG8008 GFM436 User Manual Storing Data - 56...

  • Page 57: Sample Point Setup

    9ENG8008 GFM436 User Manual Before you can start storing or logging readings you need to create a sample point, essentially a name or location information for your log. This is done using the Sample Point Setup function. 12.3 Sample Point Setup A sample point is the name given to the point at which the instrument draws a sample of gas from a main gas pipe.
  • Page 58 9ENG8008 GFM436 User Manual Storing Data - 58...
  • Page 59 9ENG8008 GFM436 User Manual When all the appropriate tiers have been given the correct names, scroll down using the arrow keys and select “Create sample point” using the OK key. This menu can also be used to delete sample points. Sample points are selected when storing data by pressing “OK”...
  • Page 60 9ENG8008 GFM436 User Manual Once the sample point is created, the display will read “ID Created”, unless the ID already exists in which case you will be notified when the display reads “ID already existed”. Storing Data - 60...

  • Page 61: Logging Setup

    9ENG8008 GFM436 User Manual 12.4 Logging Setup The instrument has a built-in ‘Unattended Data Logging’ facility. This allows the instrument to be programmed to carry out repeated samples over a defined period. To access the Logging Setup Screen, press the Middle Soft Key (‘Menu’) from any of the measurement display screens.
  • Page 62 9ENG8008 GFM436 User Manual Logging Setup is a menu for setting up unattended data logging parameters. The parameters can be found on the list on screen. They are accessed by scrolling up and down with the arrow keys and pressing the OK key to edit.

  • Page 63: Pump Time

    9ENG8008 GFM436 User Manual 12.4.1 Pump Time This parameter determines the length of time the pump will run for a while before the gas analysis values are captured, also known as sample time. This is a pre-set list of values to select from - 90 seconds, 2 minutes, 3 minutes, or 4 minutes.

  • Page 64: Total Logs

    9ENG8008 GFM436 User Manual A selection of 10 minutes, for example, will result in the instrument storing a result every 10 minutes. The instrument will use the Pump Time parameter as it calculates its timings. For example, if a pump time of 2 minutes and a period of 15 minutes is selected then the pump will be off for 13 minutes, then will operate for 2 minutes so the results are stored every 15 minutes.

  • Page 65: Logging Display

    9ENG8008 GFM436 User Manual Pressing OK when this parameter is highlighted will toggle this setting. When all the parameters have been selected, press ‘Exit’ to return to the Gas Display screen, and the logging sequence will be saved. 12.5 Logging Display The Logging Display shows the total number of samples to be taken in the log, ‘Total Logs’, and the number of...
  • Page 66 9ENG8008 GFM436 User Manual of total logs, readings will be saved against the time and date and under any ID number combinations selected at the start. After each sample, a pop-up box will appear saying “Reading stored” and then an indication of the remaining memory on the device.

  • Page 67: Logging Setup

    9ENG8008 GFM436 User Manual A popup saying ‘WARNING Switching Off May Interrupt Sampling’ will be shown when the instrument wakes itself as manually switching the instrument on or off during logging may interrupt sampling or cause a log to be missed or not taken.

  • Page 68: User Calibration

    9ENG8008 GFM436 User Manual 13 User Calibration Calibration of this instrument involves the use of pressurised cylinders of test gases. A cylinder of the appropriate gas at the specified concentration needs to be connected to the ‘Gas In’ port at the top of the instrument with the valve open when calibrating a point.
  • Page 69 9ENG8008 GFM436 User Manual  The use of pressurised cylinders of test gases may produce hazards including the following: • High pressure gas leakage • Release of flammable gas mixtures • Release of toxic gas mixtures Always follow the safety guide lines given by your test gas cylinder supplier.
  • Page 70 9ENG8008 GFM436 User Manual From here, the gas to be calibrated should be selected using the up and down arrows and then the OK key. Only one gas may be calibrated at a time. Be sure to select the correct calibration option of the four available. This can be done by scrolling with the up and down arrows once the gas has been selected.
  • Page 71 9ENG8008 GFM436 User Manual Calibrate low range point A calibration of the instrument at a low reading, typically around 5% (different low rangers per gas). This is done to improve the accuracy of readings at the lower end of the possible range.
  • Page 72 9ENG8008 GFM436 User Manual The zero Cal point requires a gas known to have 0.0% of the measured gas for the specific gas channel being calibrated. The low and high range Cal points will depend on the specific gas channel being calibrated and is...
  • Page 73 9ENG8008 GFM436 User Manual User Calibration- 73...
  • Page 74 9ENG8008 GFM436 User Manual  NOTE: Only attempt to calibrate a point if the current gas reading is within +/- 5% of the indicated calibration point. If the Middle Soft Key, labelled ‘Calibrate’, does not appear this means that it is currently not possible to calibrate the desired point.

  • Page 75: Auto Turn Off

    9ENG8008 GFM436 User Manual 14 Auto Turn Off To help prolong the time between charges, the instrument will automatically turn off after 15 minutes of inactivity. This does not occur whilst the instrument is connected to the mains supply. Auto Turn Off- 75...

  • Page 76: Gfm436 - Maintenance

    9ENG8008 GFM436 User Manual 15 GFM436 - Maintenance As the instrument is an ATEX, UKEX and IECEx rated, precision instrument of analysis, it is very important to maintain its good condition for both safety and performance. The instrument requires annual servicing, the date for which is displayed on the opening screen. The following conditions must be met and are essential to the instrument’s functionality and reliability:...

  • Page 77: Appendix A - Velocity Flow Conversion Charts

    9ENG8008 GFM436 User Manual 16 Appendix A – Velocity Flow Conversion Charts The following chart is included to enable the operator to make quick and easy conversions from velocity measurements provided by the vane anemometer to flow rates. The formula for calculating the conversion is:...

  • Page 78: Appendix B - Understanding Instruments For Use In Flammable Atmospheres

    9ENG8008 GFM436 User Manual 17 Appendix B – Understanding Instruments For Use In Flammable Atmospheres 17.1 Hazardous areas classified by zones There are three zones defined to guide users as to the necessary precautions which should be taken when working in potentially flammable atmospheres: Zone 0 - An area in which an explosive gas/air mixture is continuously present, or present for long periods.

  • Page 79: Design And Construction Of Intrinsically Safe Instruments For Use In Flammable Atmospheres

    9ENG8008 GFM436 User Manual Methane Least easily ignited  NOTE: This instrument is suitable for use in flammable atmospheres caused by the presence of gases in Group I, Group IIa and Group IIb. 17.3 Design and construction of intrinsically safe instruments for use in flammable atmospheres The technique of intrinsically safe design and construction is defined in the standard BS EN 60079-11:2012.

  • Page 80: Testing And Certification

    9ENG8008 GFM436 User Manual The higher the T class the lower the temperature. Different gases will be ignited at different temperatures. Some examples are given below. MINIMUM Required T class Acetylene Hydrogen Ethylene Carbon monoxide Hydrogen sulphide Ammonia Propane Methane ...

  • Page 81: Appendix C - Vane Anemometer

    9ENG8008 GFM436 User Manual 18 Appendix C – Vane Anemometer  NOTE: Anemometers do not form part of the ATEX, UKEX or IECEx certification of this instrument. Contact the manufacturer for further advice on the safe use of these probes.

  • Page 82: Response Time

    9ENG8008 GFM436 User Manual 18.4 Response time 18.4.1 Response Time of electronics: When connected to supply (on/off): immediate Time to reach 63 % of end value: 424 ms 18.4.2 Response Time of Vanes: Increase of flow: 1.0 sec. Decrease of flow: 8.0 sec.

  • Page 83: General Handling Tips

    9ENG8008 GFM436 User Manual 18.5.1 General handling tips • Protect the probes against severe vibration • Do not kink the connector cable (risk of cable break) • Never allow hard objects to contact rotating impellers • Always carry out probe cleaning according to the cleaning instructions •...

  • Page 84: Cable, Extension Rod, Case

    9ENG8008 GFM436 User Manual Carefully swish the top part of the impeller back and forth in clean, pure benzene for approx. 10 min. Then swish the top part of the impeller back and forth in clean kerosene for approx. 1 min to re-lubricate the impeller bearings.

  • Page 85: Snap Head

    9ENG8008 GFM436 User Manual 18.5.4 Snap Head The snap head fixing system renders it very simple to fit a new impeller to the flow probe: this saves costly non- productive time and in the event of damage to the snap-head enables the operator to have the probe back in service in a matter of seconds by simply changing the snap-head.

  • Page 86: Appendix D - Warranty Policy

    9ENG8008 GFM436 User Manual 19 Appendix D – Warranty Policy This instrument is guaranteed, to the original end user or purchaser, against defects in materials and workmanship for a period of one year from the date of shipment to the user. During this period, the manufacturer will repair or replace defective parts on an exchange basis.

  • Page 87: Appendix E - Declarations Of Conformity

    This declaration of conformity is issued under the sole responsibility of the manufacturer. The GFM family of instruments are hand-held gas analysers. The models covered by this declaration are the GFM226, GFM406, GFM426, GFM436, GFM526 and GFM610. 20.1.1 The Electromagnetic Compatibility Directive 2014/30/EU:...

  • Page 88: Atex Directive 2014/34/Eu

    9ENG8008 GFM436 User Manual 20.1.2 ATEX Directive 2014/34/EU: I hereby certify that the apparatus described above conforms with the protection requirements of Council Directive 2014/34/EU on the approximation of the laws of the Member States generally concerning equipment and protective systems intended for use in potentially explosive atmospheres, based on the requirements of the following harmonized standards.

  • Page 89: Notified Body

    9ENG8008 GFM436 User Manual The equipment is marked   ib IIB T1 Gb IECEx certificate number IECEx ITS 21.0004X. 20.2 Notified body Notified Body responsible for the ATEX certificate: Intertek Italia S.p.A. via Miglioli, Notified Body number 2575 2/A - 20063 Cernusco sul Naviglio...

  • Page 90: Signature

    Yes Product conforms to the ATEX Directive and IECEx. N/R Product is not required to conform to the ATEX Directive and IECEx. 20.4 Signature Signed for and on behalf of Gas Data Ltd, Coventry, UK. Responsible Person: Graham Sanders Managing Director 09/10/2023 20.5 UK DoC...

  • Page 91: The Electromagnetic Compatibility Regulations 2016

    This declaration of conformity is issued under the sole responsibility of the manufacturer. The GFM family of instruments are hand-held gas analysers. The models covered by this declaration are the GFM226, GFM406, GFM426, GFM436, GFM526 and GFM610. 20.5.1 The Electromagnetic Compatibility Regulations 2016:...

  • Page 92: Equipment And Protective Systems Intended For Use In Potentially Explosive Atmospheres Regulations 2016

    9ENG8008 GFM436 User Manual 20.5.2 Equipment and Protective Systems Intended for use in Potentially Explosive Atmospheres Regulations 2016: I hereby certify that the apparatus described above conforms with the protection requirements of the Equipment and Protective Systems Intended for use in Potentially Explosive Atmospheres Regulations 2016, based on the requirements of the following harmonized standards.

  • Page 93: Signature

    Yes Product conforms to the UKEX Directive N/R Product is not required to conform to the UKEX Directive. 20.8 Signature Signed for and on behalf of Gas Data Ltd, Coventry, UK. Responsible Person: Appendix E – Declarations of Conformity- 93...
  • Page 94 9ENG8008 GFM436 User Manual Graham Sanders Managing Director 09/10/2023 Appendix E – Declarations of Conformity- 94...

  • Page 95: Appendix F - Atex, Ukex And Iecex Certificate

    9ENG8008 GFM436 User Manual 21 Appendix F – ATEX, UKEX and IECEx Certificate The first page of each ATEX, UKEX and IECEx Certificate can be seen in the paper copy of this manual. Full versions are available in the online version of this manual, or by request from the manufacturer.
  • Page 96 9ENG8008 GFM436 User Manual Appendix F – ATEX, UKEX and IECEx Certificate- 96...
  • Page 97 9ENG8008 GFM436 User Manual Appendix F – ATEX, UKEX and IECEx Certificate- 97...

  • Page 98: Appendix G - Non-Ex Safety Critical Information

    9ENG8008 GFM436 User Manual 22 Appendix G – Non-EX Safety Critical Information The power supply provided with this product accepts 100-240V AC, 50-60 Hz, 200-400mA. Its output is 9V DC, 2000mA. The power supply must not be exposed to moisture or liquids. During charging the charger is considered a disconnect device and must remain accessible at all times.

  • Page 99: Appendix H - Three Letter Codes

    9ENG8008 GFM436 User Manual 23 Appendix H - Three Letter Codes The GFM can display a number of three letter codes in the upper right corner of the display. Where relevant these have already been mentioned in the manual. The full list is given here for convenience.

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