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GasCheck G
Instrument User Manual V2.4
Register
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extended Warranty.
Unrivalled Gas
Detection.
ionscience.com

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Summary of Contents for ion science GasCheck G 1

  • Page 1 GasCheck G Instrument User Manual V2.4 Register your instrument online to receive your extended Warranty. Unrivalled Gas Detection. ionscience.com...
  • Page 2 Register your instrument online for extended warranty Thank you for purchasing your Ion Science instrument. The standard warranty of your instrument can be extended to up to two years. To receive your extended warranty, you must register your instrument online within one month of purchase ( terms and conditions apply.)
  • Page 3: Eu Declaration Of Conformity

    EMC Requirements (Class B and General Immunity) Ion Science Ltd has sole responsibility, on the date this product accompanied by this declaration is placed on the market, the product conforms to all technical and regulatory requirements of the above listed directives.
  • Page 4: Table Of Contents

    GasCheck G Instrument User Manual V2.4 Contents EU Declaration of conformity ..............................3 Statements ..................................... 5 Safety ........................................5 Quality Assurance ....................................5 Responsibility of use....................................5 Disposal ......................................... 5 Calibration Facility ....................................5 Legal Notice ......................................5 Instrument description................................6 Packing list .....................................
  • Page 5: Statements

    "as is" and without any representation, term, condition or warranty of any kind, either express or implied. To the extent permitted by law, Ion Science shall not be liable to any person or entity for any loss or damage which may arise from the use of this manual.
  • Page 6: Instrument Description

    GasCheck G Instrument User Manual V2.4 Instrument description The GasCheck G is a range of portable hand held gas detector instruments predominantly used for detecting gas leaks and can detect almost all gases to varying degrees. Being a hand held instrument it is powered by standard AA size batteries and will accept both Alkaline and Nickel Metal Hydride (rechargeable) types.
  • Page 7: Packing List

    GasCheck G Instrument User Manual V2.4 Packing list Please remove all packing material and then check the content of the carry case against the list below before use. Should the instrument or any accessory appear damaged or missing then contact the instrument supplier for advice before use. Item Description Check...
  • Page 8: How Gascheck G Works

    GasCheck G Instrument User Manual V2.4 How GasCheck G works Thermal Conductivity All gases conduct heat but by varying amounts, if an object is heated and then the source of heat is removed, the object will eventually cool down to match ambient air temperature. This action occurs because the ambient air surrounding the object carries the excess heat into the surrounding atmosphere.
  • Page 9: Replacing Batteries

    GasCheck G Instrument User Manual V2.4 Replacing batteries Before using the GasCheck G instrument ensure the batteries are fitted correctly or ensure NiMH (rechargeable) batteries are fully charged before use. To fit or replace batteries you must first remove the battery cover from the rear of the instrument.
  • Page 10: Getting Started

    Gas that it has been calibrated with. A second screen then displays the instrument’s serial number, the instrument’s firmware version and Ion Science web address. A third screen appears to indicate the GasCheck G is Zeroing it's signal. Once the Zero routine is complete the instrument displays it's running screen and is ready for use.
  • Page 11: Instrument Main Menu

    GasCheck G Instrument User Manual V2.4 Instrument main menu Once the GasCheck G has run through its 'Start up' routine it will display its normal 'Running screen' used when locating gas leaks. Before using the instrument the various settings should be set and adjusted to suit the application. Pressing the 'Esc' key while viewing this 'Running screen'...
  • Page 12: Running Screen

    GasCheck G Instrument User Manual V2.4 Running screen GasCheck G displays the 'Running screen' whenever the instrument is being used to detect leaking gas, the illustration below outlines the various information and icons. Gas selection Sensitivity levels Sound indicator Battery status Gas measurement Backlight indicator Peak hold indicator...
  • Page 13: Functions

    GasCheck G Instrument User Manual V2.4 Functions The GasCheck G instruments have a variation of functionality, each of the functions listed below has a number to the right of the heading that indicates which function is included within each model:- GasCheck G1 = 1, GasCheck G2 = 2, GasCheck G3 = 3.
  • Page 14: Battery Selection

    GasCheck G Instrument User Manual V2.4 GasCheck G Zero's its reading at switch on, therefore the Custom calibration routine only has one stage. Also see the ‘Calibration’ section of this manual. Battery selection The GasCheck G will operate using AA size batteries in either Alkaline (non rechargeable) or Nickel Metal Hydride (Rechargeable).
  • Page 15: Gas Selection

    If the gas to be detected does not appear in the instruments internal gas table then one of the five 'Gas Groups' can be selected. 'Gas Groups' have a variation of sensitivities. (Group 1 being high sensitivity through to Group 5 being low sensitivity) Contact Ion Science Ltd for advice.
  • Page 16 GasCheck G model To upgrade a GasCheck G simply purchase an upgrade code from Ion Science Ltd, enter the 12 digit number in the upgrade screen using the UP, DOWN, ENTER and Esc keys. Once all 12 digits are entered correctly the instrument will automatically switch off.
  • Page 17: Using Gascheck G

    GasCheck G Instrument User Manual V2.4 Using GasCheck G The GasCheck G instrument WARNING: Before switching the GasCheck G on, ensure the ambient air is clean as the instrument automatically Zero's the sensor at switch on. After the instrument has run through it's start up routine, adjust the instrument settings to the desired levels.
  • Page 18: Probe Options

    Ensure safety guidelines are adhered to when using compressed air. (Ion Science Ltd takes no responsibility for injury or damage caused by misuse of compressed air equipment) Unrivalled Gas Detection.
  • Page 19: Detecting Leaks

    GasCheck G Instrument User Manual V2.4 Detecting leaks Over view Hold the GasCheck G in one hand and draw the instrument probe along the area to be checked at approximately 25mm per second. When a leak is detected retrace the route of the probe at a slower rate until the leak is located.
  • Page 20: Calibration

    Calibration Over view The GasCheck G has two selectable calibration settings; Factory and Custom. 'Factory Calibration' is carried out at Ion Science Ltd/ Authorised Service Centres during the instruments manufacture and during annual calibration, it can be selected and used but can not be changed.
  • Page 21: Calibration Procedure Using 'Cc/Sec' Units

    GasCheck G Instrument User Manual V2.4 Avoid bending the inner probe as this will affect the GasCheck G's accuracy. GasCheck G can detect changes in Humidity and Carbon dioxide, therefore avoid breathing on the probe. Avoid pressurizing the sample bag as this will cause significant errors in reading. Calibration procedure using 'cc/sec' units Please read this entire procedure before proceeding with this calibration routine.
  • Page 22: Instrument Specifications

    GasCheck G Instrument User Manual V2.4 Instrument specifications Operating temperature 0 to 50 °C 32 to 122 °F Storage temperature -25 to 70 °C -13 to 158 °F Instrument case Polyurethane Dimensions L.390 x W.60 x H.50 mm L15.35” x W2.35” x 2.0 “ Weight 0.45 kg 1.0 lb.
  • Page 23 GasCheck G Instrument User Manual V2.4 Accessory Item Number CalCheck A-21500 (specifying gas, leak rate and pressure) 0.0005 cc/sec Helium A-21500 Calibration kit Unrivalled Gas Detection. ionscience.com Page 23 of 26...
  • Page 24: Instrument Warranty And Service

    Full details, along with a copy of our Warranty Statement can be found by visiting: www.ionscience.com Service At Ion Science we recommend that all of our gas detection instruments be returned for service and factory calibration once every 12 months.
  • Page 25: Contact Details

    GasCheck G Instrument User Manual V2.4 Contact details UK Head Office US Corporate HQ German Office Ion Science Ltd Ion Science Inc Ion Science Messtechnik GMBH The Hive, Butts Lane 4153 Bluebonnet Drive, Stafford Laubach 30 Fowlmere Texas Metmann-Neandertal Cambridgeshire...
  • Page 26: Manual Log

    GasCheck G Instrument User Manual V2.4 Manual log Manual Version Amendment Date updated Instrument PC Software Firmware GasCheck G V1.4 Gas Table Update 16/7/08 V1.31 GasCheck G V1.5 Instrument Update 22/8/08 V1.31 GasCheck G V1.6 BSEN 61326 – 1997 to BSEN 23/9/08 V1.31 61326 –...

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