GasClam - Shawcity LTD
Contents
1. GASCLAM MANUAL lon Science Ltd Software Connecting The GasClam is connected to a computer using the supplied cable via the communication port on top of the GasClam and a serial port If the computer does not have a serial port use a standard USB Serial converter You can either connect the unit before or after starting the software If the software is opened before the GasClam is attached the screen appears as below In this mode the options available are to view data see later or to close the application English Close Last Reading Stored Methane Carbon Dioxide Oxygen On Line Status Battery status Samples Remaining Sample Count Hydrogen Sulphide Sampling Every End Date Carbon Monoxide Serial Number COM port Borehole Pressure Vent Mode Volatile Organic Compound Status Atmospheric Pressure Temperature Water Level Salamander Version 5 4 25 After the GasClam is connected the screen will update similar to below with the device ID displayed Eid English Pa Last Reading Stored Volatile Organic Compound G as C am D Hydrogen Sulphide Other Tests Carbon Monoxide On Line Status 13 05 2010 13 30 01 Battery status 2 50 V quem 5 Oxygen Samples Remaining 64993 Samples Taken 7 Methane Sampling Every 60 min End Date Carbon Dioxide Serial Number 000001 11 09 COM port COM6 Borehole Pressure Vent Mode Close Status n o Sat Atmospheric P2. NO so 50 ppm NO will read lt 5 ppm 400 ppm H 20 C will read lt 60 ppm 400 ppm CH will read lt 25 Single H2S sensor 5 ppm NO will read approx 1 ppm on the H2S Channel 50 ppm NO will read lt 5 ppm on the H2S Channel 20 ppm SO will read lt 4 ppm on the H2S channel 400 ppm CO will read lt 4 ppm on the H2S channel 10 ppm Cl will read lt 25 ppm on the H2S channel Methane Methane is measured using an infrared detector tuned in to C H bonds The sensor is calibrated using certified methane calibration gas and will give accurate readings providing no other C H compounds are present If additional hydrocarbons are present they will contribute to the reading Carbon Dioxide Carbon Dioxide is measured using an infrared sensor tuned in to C O There are no other gasses commonly found in the subsurface that adsorb infrared radiation at this wavelength so the reading will not typically suffer from cross sensitivity 5 Carbon Dioxide Sensor When sampling concentrations up to 5 the sensor will read 90 of the real value after one sample typically this will be within error of the sensor For example if you are sampling every hour and the real concentration changes from 0 2 5 in 1 hour which is unlikely the senor will read approximately 2 25 In reality if low concentrations are present they will change much more gradually than this i e Real Conc CO2 Measured concentration A AA OOOO 2 CA 09 within erro
3. gcl CSV gce service centres for trouble shooting This is the file format to read within the GasClam software This file contains all the recorded parameters and can be used to view and plot the data in excel This file contains information on the settings and performance of the GasClam This is used by Note Downloading can be carried out only with explosion proof device with corresponding input output parameters or with unit out of hazardous Unrivalled Detection www ionscience com Page 21 of 50 GASCLAM MANUAL lon Science Ltd Software Viewing Data The data viewer is accessed via the View Data navigation button on the main screen Selecting file for display To open a file click either the or the open button this allows you to browse through your computers folders Data Display Options There are 5 types of data that can be viewed Sampling Data Start Stop Data Calibration Data Error Messages and Eeprom These are accessed using the tabs l0 x ViewDataNew Filename C Users Public Documents Chamber GasClam Dual sensor test GasClam 14 14 4 2010 13h30m42s GEL E Open Graph Back Sampling Data Start Stop Data Calibrations Data Eror Messages Eeprom Unrivalled Detection Page 22 of 50 www ionscience com GASCLAM MANUAL lon Science Ltd Software Sampling data To display the sampled data click the Sampling data button The following parameters are displ
4. 07 2012 7 11 248 5 4 33 How to prevent water from entering updated Packing list updated Optimising GasClam performance updated Errors up dated Bump Test Updated User serviceable part updated Part numbers updated Technical Specs updated Changes updated in version 2 1 GasClam Potential problem if used below 0 C page 11 03 2012 7 11 248 5 4 33 V2 2 reference added on pg 39 and 49 Filter pressure updated on pg 29 to say filter pressure is normally 15 30 Part no 2 SA5 8 vent blank updated to A 25103 vent blank assembly Sensor specs updates Single CO sensor range now 0 2000 and accuracy at full scale is 10 Linearity is 5 0 500ppm 10 full scale Linearity of other electrochemical sensors updated to 5 Oxygen linearity changed to lt 1 O2 deviations 10 O2 GasClam weight updated to 7 Kg GasClam Single H2S sensor accuracy now 5 03 02 2014 7 11 248 5 6 3 V2 3 Dual Sensor accuracy now 5 GasClam weight updated to 7 Kg 15 4 Ib Distributed by Shawcity Ltd Instrument House 91 92 Shrivenham Hundred Business Park Majors Road Watchfield Oxfordshire SN6 81Y Tel U136 899 903 S shawcity gt E info shawcity co uk Be sure Be safe Unrivalled Detection Page 50 of 50 www lionscience com
5. 33 T p Error symbol Error message tab www lonscience com Page 16 of 50 GASCLAM MANUAL lon Science Ltd Software Switching off the unit If the unit is not going to be used for a long period it is recommended that it is turned off using the OFF button this reduces the discharge from the batteries When the off button is clicked a message will appear to ask if you really want to switch off x Do you really want to switch GasClam off This mode is recommended for long periods of storage The time a date will be lost in this mode Yes No If the Yes button is clicked the following appears caca x Gasdam will turn off after he communication cable is disconnected The GasClam will turn off after the communication cable is disconnected until then the main screen will appear as below gt Ex GasClam after disconecting will be GasCLam Unit off af x GasClam Cse Last Reading Stored SALAMANDER 6 f m Methane The GasClam will turn back on when the data cable is attached again Unrivalled Detection Page 17 of 50 www lonscience com GASCLAM MANUAL lon Science Ltd Software Setup The GasClam is programmed in the setup window and is accessed by left clicking the set up navigation tab and the set up window then appears as below E GasClam Setup ne zl Vent blank plug inserted 0 Hour s 3 minute s an
6. Dual CO H S Sensor The CO and H2S sensors are electrochemical sensors and suffer from cross sensitivity to other gasses that may be found in the subsurface The carbon monoxide sensor suffers especially from the cross sensitivity with H2S He and NO The cross sensitivities with these gasses are 15 ppm H S will read lt 6 ppm on the CO channel 35 ppm NO will read lt 0 1 ppm on the CO channel 100 ppm H will read approx 20 ppm on the CO channel The hydrogen sulphide sensor is especially cross sensitive to the following 5 ppm NO will read approx 1 ppm on the H2S Channel 35 ppm NO will read lt 1 ppm on the H2S Channel 5 ppm SO will read lt 1 ppm on the H2S channel 300 ppm CO will read lt 6 ppm on the H2S channel If the sensors have been exposed to gasses they are cross sensitive to for long periods it may take some time for the sensors to recover The sensors can be checked after exposure to these gasses by setting the GasClam to sample every 5 minutes in clean air and the concentrations should return to zero and stabilise If you suspect a cross sensitivity problem please contact your supplier for further advice Unrivalled Detection Page 46 of 50 www lionscience com GASCLAM MANUAL lon Science Ltd Technical specification The Single CO sensor has a filter on to reduce the cross sensitivity with H2S NO NO and SO Filter Capacity ppm hours 250 000 20 000 300 000 Gas IA PI 50 000 NO 600 000
7. and Sensor performance oocccccccconcconcnononnnonononnnnnnnononnnrnnnonnnnnrnnnnnnnnnrnnnnnnnnnrnnnnnnnnnennnnnnnns 46 Freezing VAMOS nica il asocia 49 Manta lO una dad 50 Unrivalled Detection Page 4 of 50 www lionscience com GASCLAM MANUAL lon Science Ltd Introduction to GasClam GasClam is the world s first in situ borehole gas monitor suitable for the detection of a wide range of gasses commonly found in borehole monitoring including Methane CH Carbon Dioxide COs and Oxygen Os In addition to this the GasClam monitors temperature barometric pressure and borehole pressure All of these readings can be taken at programmable intervals providing an invaluable set of data to the user The default setting for the GasClam is to take readings every hour giving it an operational life of approximately one month with rechargeable batteries Data is downloaded either using a computer or via an optional modem and can be viewed within the GasClam software or exported for analysis in Excel Whilst connected to the software the settings of the GasClam unit can be altered including the frequency at which samples are taken and selecting venting options In addition to the sensors already mentioned the GasClam can be upgraded with a Photo ionisation Detector PID for detection of Volatile Organic Compounds VOC s a Carbon Monoxide CO sensor Hydrogen Sulphide H2S sensor and a water depth sensor should the data be required lon Scien
8. creates an air pocket at the base of the GasClam Water cannot rise while the air pocket is present To improve water ingress from below the moisture stripping filter cover and water proximity sensor have been increased by 5cm This stops water from reaching the inlet barb for at least 7 days when the GasClam is completely submerged with 20 cm of water above its head If the GasClam is immersed for longer than this the user must check the instrument to ensure water has not reached the inlet barb before restarting the GasClam If the end user thinks water may have reached the inlet barb they must contact their local service centre as water may be inside the GasClam pneumatics ___ __ Water Proximity Sensor N B The water proximity senor on the GasClam works by conductivity As water is a polar solvent when it touches the proximity sensor a circuit is completed which prevents the GasClam from sampling If a non polar phase is present such as oil that is floating on top of the water in a borehole the water proximity sensor will not detect it and therefore it can be sucked in to the GasClam If a non polar phase is present above the water and there is any chance that it may rise to the base of the instrument the GasClam must not be installed Unrivalled Detection Page 37 of 50 www ionscience com GASCLAM MANUAL lon Science Ltd The effects of water on your GasClam Effects of flooding on data and GasClam When the unit is not
9. flagged This will be due to a faulty pump or faulty power supply to the pump The filter pressure is normally 15 30 mbar Also see pg 47 Potential problem if used below 0 C for more information It is possible to order the displayed data according to individual parameter by clicking the column header one click arranges them in ascending another click arranges them in descending order 2 ViewdateNew AAA Soa Filename C Users peter moris ONSCIENCE Desktop Pokles na 10 4 cykly GCL LJ Open Graph Bak Sampling Data Start Stop Data Calibrations Data Eror Messages Eeprom Date CH4 coz CO O2 VOC H25 BH Atm p mbal Diff Battery Sam 30 03 2012 07 09 30 03 2012 07 13 30 03 2012 07 18 30 03 2012 07 23 300842012 07 28 2 1 2d 2 72 28 2 69 29 2 72 26 2 0 28 30M EZ NM Ri an SS Mi Oo PSN E a 3 MAS MN amp 2 2 a alaja 32 0 m m Ime E Ie D to fol m eo AW NAAA Example of sampling data screen Unrivalled Detection Page 23 of 50 www lionscience com GASCLAM MANUAL lon Science Ltd Software To view the data in graphical form click the Graph Data view toggle button Graph Data view toggle button Data Wiewer E7 o x File name D wWork GasClam GasClam data SALAMANDER test 21 5 2007 Ba4emses GCL x Open raph Back Type of view Start Stop Data Calibration Data Device ID SALAMANDER testl This opens the Graph
10. 50 www lionscience com GASCLAM MANUAL lon Science Ltd Technical specification If used at a Slower sampling frequency note the NiMH batteries self discharge at a rate of 15 20 per month Duracell 1 5 V LR20 MN1300 Alkaline Manganese batteries will last approximately 14 days hourly sampling in GasClam with all the sensors The self discharge of alkaline batteries is much less and as a rule of thumb the alkaline batteries will last approximately 300 samples over a time scale of up to 1 year The discharge curves of the rechargeable battery pack and alkaline batteries are below Rechargeable battery 400 Sample No Alkaline Battery 150 200 250 300 Sample No Unrivalled Detection Page 45 of 50 www ionscience com GASCLAM MANUAL lon Science Ltd Technical specification Case High Quality Stainless Steel Weight 7 kg or 15 4 lb Protection IP 68 continuous submersion 20 cm above head of GasClam for 7 days Operation 20 to 50 C alkaline batteries 10 C to 40 C rechargeable battery pack Approvals CE EMC ATEX Certification rating Il 2G Ex d ib ib Ilb T4 Gb Certificate number FTZU 07 ATEX 0105 X IECEx Certification rating Ex d ib ib IIB T4 Gb Certificate Number IECEx FTZU 09 0026 CSA C US Certification rating Class 1 Zone 1 Ex d ib IIB T4 Class Zone AEx d ib IIB T4 Certificate Number 2320892 European Patent granted World Wide granted Cross sensitivities and sensor performance
11. Always closed W Always maximum gt Always open 64975 max 64975 Open once per day for Finish on 02 December 2010 23 09 Open after every Hour s for SALAMANDER GROUP Time on GasClam 20 07 2010 14 24 59 Time on PC 204072010 14 24 59 Write settings to GasClam Erase GasClam memory Settime Back Sampling Rate The sampling rate is defined in the Set Sample Rate box the fastest sampling rate is 3 minutes This is how long all the processes take the longest 999 hours and 60 minutes Sample count The number of samples to be taken can either be set to the maximum possible by clicking the Always Maximum button or defined by the user in the Sample count box The maximum figure displayed is 65000 total memory space minus the number of stored samples the user defined value can be up to and including this The estimated date and time of the end the programme is displayed under the text button This information is calculated as follows Sample count sample rate actual date and time This is set to 800 as default to ensure the moisture stripping filter is not compromised Device ID The user can specify the name of the GasClam in the Device ID box This is useful if there is multiple GasClam on a site as the borehole number can be allocated to the GasClam This information is used to create a filename when the data is downloaded Unrivalled Detection Page 18 of 50 www lonscience com GASCLAM MANUAL lon Sc
12. GasClam Instrument User Manual V2 3 Be sure Be safe Register your instrument online to receive your extended warranty Unrivalled Detection www lonscience com Register your instrument online for extended warranty Thank you for purchasing your lon Science product The standard warranty of your instrument can be extended to up to five years on PhoCheck Tiger and two years on other lon Science products To receive your extended warranty you must register your prodcut online within one month of purchase terms and conditions apply Visit www ionscience com instrument registration Part number 25001 GASCLAM MANUAL lon Science Ltd Declaration of conformity The manufacturer Elok Opava hereby declares and confirms that the characteristics of the product conform to the technical requirements stipulated by the technical standards Furthermore the manufacturer declares the product to be safe whilst adhering to the correct conditions for its installation maintenance and use Manufacturer Elok Opava s r o Sadek 17 747 75 Velk Heraltice Czech Republic Product Description A landfill Gas monitor designed for in situ borehole monitoring The entire casing is made from solid stainless steel The battery pack is in the upper part of the housing in a flame proof casing The measuring unit consisting of up to five gas sensors Is located in the intrinsically safe lower part of the housing The valves pump and filter ass
13. HoeS levels at the concentrations the GasClam is bump tested at affects the performance of the CO sensor therefore the CO channel is bump tested before the HS channel Also CH at 60 will inhibit the PID sensor so it is bump tested separately See cross sensitivities section for more information Also if a 5 CO sensor is fitted it will take 2 3 samples for the GasClam to read the bump test gas concentration This is because the filter causes a lag when CO concentration increase or decrease See sensor performances section The order to bump test the sensors in is shown below If the sensor is not installed ignore that step Due to the different available combinations of CO2 CH sensors there are 3 different scenarios for bump testing the Sensors 1 100 CO and CH Sensors Bump test step Gas 1 Concentration 2 Concentration A lt o Bottle 60 40 CH CO CH 60 3 CO 40 O 0 4 lsobutylene 100ppm Calibration table 1 Unrivalled Detection Page 30 of 50 www lionscience com GASCLAM MANUAL lon Science Ltd Software 1 5 CH and CO sensor if other sensors are fitted follow the relevant steps in the table 1 Use N gt for 0 Bump test step Gas 1 Concentration 2 Concentration 2 5 2 20 9 N2 CH CO O Gas bottle 2 5 2 20 9 2 3 samples will be needed to reach concentration Calibration table 2 2 Mix of any 5 and 100 CO CH sensors if other sensors are fitted follow t
14. a ad 8 How the GasClam Works and access areas cccccooocccnncccnoccnnncnonanenonononancnnnnnnnnnnnnnnnnnnnrnnnnnnnnnrnnnnnnnanrnnnnonnanennnos 9 O hat sade a a boa teuihcu ud scce Ses uaanowa dana 10 A A 11 E A A A A ere me 11 cl A A OE OO EPR E T Pe oe A 12 EAS lO lo SIONS Ol AAA A te E 13 ENOL A E CI Re ON ee OTE ORR ea OEP een ET ener 14 WIC TING Olt tS WAIN acces e Aedes a ee 17 A edie em E EE A E E E E T E EEE 18 DO WII ACUING ee A a de iii lacas 21 VINIA Dto era lona lila eiii de Gameouals 22 BUD EO S ur E a a a N 29 A nae ea a ea N EE 31 Installing Ga asCla am ina Borehole accio iaa 32 The effects of water on your GasClaM ooooonncccccnnconcccccnnnanccnnnnnnnncrrnnnnn nn rr non nn ner nena n nr rrnnnnnrrrrnnnnnnnrrrnnannnnnnas 33 Keeping your GasClam dry and clean in regular use occccccocncnncccccnncnncconoancnncnononncnnnnonnnnnnonnnnnrnnnnononncnnnnss 33 Effects of flooding on data and GasClaM ooccccccconccnnccononcnnncnonanennnnnnnnncnnnnnonancnnnnonnnnrnnnnnnnnnrnnnnnnnnrnnnnnnnnarinnns 38 Optimising GasClaim performance uni ti 39 Battery life and management arrasar oa 39 Note OF Gallon it used Delw O ista ito 39 Calibration service and Wartan Wisin laa ii io 40 o a e a a aa sei gadeaniaeagaadsenssausacsonsisaetetsaeeies 40 SEICE eea e A a a a 40 WISER SEIVIGCADIS Hane aa a a a E vege a NA a 40 A a e T 41 WV a E E E EEN 43 Haas AA 43 Techhical Specification ivi id 44 Sensor Speciica ON Sci ips 44 Cross sensitivities
15. ayed see example below Date in the format dd mm yyyy hh mm CH Methane v v CO Carbon dioxide v v CO Carbon Monoxide pom Oo Oxygen v v VOC Volatile Organic Compound ppm HS Hydrogen Sulphide ppm BH Borehole pressure mBar Atm Atmospheric pressure mBar Diff Differential pressure between borehole and atmosphere If the value is negative it means the pressure in the borehole is lower than atmospheric and if the pressure is positive it is higher than atmospheric C Temperature in degrees Celsius mbgl Water level meters below ground level Battery Battery capacity volts The voltage recorded is the voltage under maximum load The voltage bar on the front screen is a live reading of the battery voltage and will change during the sampling sequence as the load on the battery changes Filter Pressure Every time a sample is taken the borehole pressure is measured then when the pump is running the pressure whilst the pump is running is compared to the borehole pressure The maximum differential is recorded under as the filter pressure If this exceeds 50 mBar a filter error occurs The most likely cause of the problem is the filters performance has reduced causing the flow path in the GasClam to be constricted If this happens replace the filter If the problem persists something else is causing the blockage and the service centre must be contacted immediately If the pressure is below 5 a pump error is
16. ce Ltd recommends that regular customer bump tests take place in conjunction with an annual service and calibration which is performed by the lon Science service department or an lon Science approved service centre Before using the GasClam you must read this manual paying particular attention to the sections covering optimisation of GasClam performance and the effects of water on your GasClam Note Before removing the GasClam from the field it must be run once in atmosphere to purge any hazardous gasses Unrivalled Detection Page 5 of 50 www lionscience com GASCLAM MANUAL lon Science Ltd Getting started Software Installation System Requirements The GasClam software needs 30MB free space on the hard disk for installation The programme will run on the following platforms Windows 98 Windows 98 Second Edition Windows 2000 service pack 3 Windows ME Windows Server 2003 Windows XP service pack 2 Windows Vista Windows 7 The programme needs Net Framework 2 0 x86 installed to run properly This version is included on the software CD alternatively it can be downloaded from the Microsoft website Running the installation software Insert the installation CD or USB stick and copy the software folder on to the PC There are two installation options 1 If you have an old version of DotNetFX 2 0 x86 then double click the setup icon to update the DotNetFX If you already have this version and you try to upg
17. com GASCLAM MANUAL lon Science Ltd Technical specification Potential problem if used below 0 C If the GasClam is used below 0 C in high humidity the valves may freeze This will prevent the GasClam from sampling properly and a filter error and pump error will be flagged This will not damage the GasClam when temperatures rise above 0 C it will function correctly Another indication that the valves have frozen is that the O sensor will either go off scale positively or negatively The atmospheric pressure channel will also have a dramatic increase whilst the valve is frozen In the picture below a GasClam was cycled between 10 and 10 C at 98 RH When the temperature reaches 5 C O goes of scale positively and atmospheric pressure increases by 20 mBar When temperature rises the valve thaws and O concentrations are correct 30 03 2012 30 03 2012 30 03 2012 30 03 2012 31 03 2012 31 03 2012 31 03 2012 Typically the GasClam is installed in boreholes below the ground and the GasClam will not go below 0 C due to ground heat If the GasClam is installed above the ground insulation or a heater will be needed to prevent freezing If you are unsure about your GasClam installation contact your local supplier Unrivalled Detection Page 49 of 50 www ionscience com GASCLAM MANUAL lon Science Ltd Manual lo Manual Amendment Date Updated Instrument Instrument Version Firmware Software GasClam V2 Filter management section added 20
18. d only be carried out by an authorised GasClam distributor Service The GasClam should be regularly serviced to ensure correct and accurate operation It is recommended that it should be serviced and recalibrated every 12 months The GasClam is ATEX certified for use in potentially explosive areas therefore it should only be serviced by qualified engineers Failure to do so will invalidate the warranty Contact lon Science or your local distributor for service options in your area Find your local distributor by visiting www ionscience com User serviceable parts Changing Moisture stripping filter Follow the advice in The effects of water on your GasClam section pg 5 6 for filter management To change the moisture filter follow the instructions below The instrument should never be operated without the filter To remove filter 1 Put thumbs beneath the filter and push up with both To replace filter 1 Connect the tygon tube to the barb 2 Push the fitting together 3 Push filter completely down firmly from the top Unrivalled Detection Page 40 of 50 www lonscience com GASCLAM MANUAL lon Science Ltd Calibration service and warrant Snorkel The snorkel should be checked regularly if there is any damage replace immediately Collar Inspect the collar regularly if there is any signs of damage replace immediately Battery compartment O ring Inspect regularly and if there is any sign of damage r
19. embly are located at the bottom of the housing Authorised Subject FTZ AO 210 NB 1026 Pikartsk 7 716 07 OSTRAVA RADVANICE ICO 00577880 Type of Protection E Il 2G Ex d ib ib IIB T4 Gb Certificate Number Quality assurance notification FTZU 02 ATEX Q 025 according to EN 13980 CE 1026 FTZU 07 ATEX 0105X Method of Determining Conformity The product s conformity with the respective requirements of directive 94 9 EC it was compared with the submitted documentation it was tested according standards List of Technical Regulations and Standards 02600 00 001 NKO PTTI EN 60079 0 2006 Electrical Apparatus for Potentially Explosive Atmospheres General Requirement PTT EN 60079 1 2004 Electrical Apparatus for Explosive Gas Atmospheres Flameproof enclosures d PTTI EN 60079 11 2007 Explosive Atmospheres Equipment Protection by Intrinsic Safety I Directive 2004 108EC EN 61326 1 2006 Electrical Equipment for Measurement Name Ing Jiri Klein Position Managing Director Signature th Date 03 06 2008 AA Unrivalled Detection Page 3 of 50 www lionscience com GASCLAM MANUAL lon Science Ltd Contents Declaration OL COMTONMMNY AAPP PU OO aa E aea a a aa 3 Introduiction lo GaSG AIM sesa a Ea a aae a aE 5 Getun BE go AAA a O 6 Sotware Installato mesane A det a hee o Ailes cae SM 6 MUNAING The INSTallatiOn SOM WA Ei 6 PACKING tudo aaa 7 TUMIAg ON ING GaS Cla ea as 7 Pnysical GuleraCleriStGS sarit
20. eplace immediately Spare parts for users temne PartWumber sept ee recorra ICON E O eee Battery Compartment bolt and washer retained Pack of 4 O e eso cc O Ring for filter section eaten a compartment A e O O a Unrivalled Detection Page 41 of 50 www lionscience com GASCLAM MANUAL lon Science Ltd Calibration service and warrant vT Unrivalled Detection Page 42 of 50 www lonscience com GASCLAM MANUAL lon Science Ltd Calibration service and warranty Warranty Standard Warranty can be extended to up to 2 years on the GasClam when registering your instrument via our website www ionscience com instrument registration To receive your Extended Warranty you need to register within one month of purchase Terms and Conditions apply You will then receive a confirmation email that your Extended Warranty Period has been activated and processed Full details along with a copy of our Warranty Statement can be found by visiting www ionscience com instrument registration Contact details UK Head Office USA Office German Office lon Science Ltd lon Science LLC lon Science Messtechnik GMBH The Way Fowlmere 33 Commercial Drive Laubach 30 Cambridge Waterbury Metmann Neandertal SG8 7UJ VT 05676 40822 UK USA GERMANY Tel 44 0 1763 207206 Tel 1 802 244 5153 Tel 49 2104 14480 Fax 44 0 1763 208814 Fax 1 802 244 8942 Fax 49 2104 144825 Email info ionscience com Email info ionscienceusa com Email i
21. g 1 measurement cycle and you will see it decrease To ensure the battery is fully charged and has good capacity download the GasClam after 1 sample and check the voltage in the downloaded file This should be approximately 2 5 volts or above if the battery is fully charged and has good capacity If it is below 2 5 volts the battery life will be compromised and should not be used If alkaline batteries are used new cells will display a reading of above 3 0 volts on the battery indicator and the voltage recorded on the GasClam after 1 reading will be over 2 9 volts If either voltage is below these the battery life will be compromised and should not be used For more information see technical specifications pg 44 45 Note of caution if used below 0 C If the GasClam is used below 0 C in high humidity the internal valves may freeze This will prevent the GasClam from sampling properly and a pump error will be flagged This will not damage the GasClam when temperature rises above 0 C it will function correctly Typically the GasClam is installed in boreholes below the ground and will not go below 0 C due to ground heat If the GasClam is installed above the ground insulation or a heater will be needed to prevent freezing See technical specifications for more information pg 49 Unrivalled Detection Page 39 of 50 www lionscience com GASCLAM MANUAL lon Science Ltd Calibration service and warranty Unit calibration Calibration shoul
22. he table 1 Bump test 5 COs sensor first if installed Use Np for 0 Bump test Gas 1 Concentration 2 Concentration step CO N for 5 sensor Air for 100 sensor 2 or 40 CH N for 5 sensor Air for 100 sensor 2 5 or 60 0 0 N3 20 9 Air 2 3 samples will be needed to reach concentration Calibration table 3 Other Tests This section is for service centres Unrivalled Detection Page 31 of 50 www lionscience com GASCLAM MANUAL lon Science Ltd Installing GasClam in a Borehole The GasClam is designed to fit in to a 50 mm borehole The recommended headworks are 8 Monitoring wells from Stuart Wells http wellservices stuartgroup lid uk and should be installed following the diagram below x Protective cover Concrete collar Stand pipe Gravel yO It is important to have the stand pipe a maximum of 3 cm above the base of the headworks this will ensure the GasClam will fit under the lid of the cover The headworks must be concentric to the standpipe for the GasClam to be housed correctly The standpipe must also be cut square to allow a good seal If a protective cover is to be used make sure this ends below the top of the standpipe otherwise the GasClam will not fit correctly Unrivalled Detection Page 32 of 50 www lonscience com GASCLAM MANUAL lon Science Ltd The effects of water on your GasClam GasClam is designed to overcome as far as possible the requirement to e measu
23. hen the GasClam is in sampling mode it reads sample count and displays the number of finished cycles and the total number of cycles in the programme For example 254 4500 means that 254 cycles from 4500 required cycles have finished Sampling every shows the period between sampling For example value 60 mins means that sampling frequency is 1 hour End Date displays the date and time that the sampling programme will finish Serial Number displays the serial number of the unit COM port displays which port the unit is connected to Vent Mode This will either display Open Changing or Closed see pg 19 Status displays the mode of the unit When the unit is running a programme the following modes are possible Sampling the GasClam is actively making a measurement Measuring the GasClam is between sampling periods When the GasClam is not running a programme the following modes are possible Sleeping the unit is not running a programme In this mode data can be downloaded and the unit programmed Clear flash the unit is erasing flash memory data If the GasClam is not functioning correctly the status will read undefined status if this occurs contact customer services immediately Unrivalled Detection Page 12 of 50 www ionscience com GASCLAM MANUAL lon Science Ltd Software Status eane Start START STOP Button this has several modes The unit is in e 4 a sleepi
24. ience Ltd Software Venting The GasClam has four venting modes which can be selected in the Venting box see below E Vent blank plug inserted Always Closed The vent is always closed entina l Always closed Always Open The vent is always open a ee Open once per day The vent opens once a day i Open once perdayfor 5 min for a period of time defined by the user _ Open after every The vent opens immediately after Hourls for minute s the first sample and shuts after the allocated time ae Open after every The vent opens and stays open for user defined periods If the GasClam is to be located in a wet area and the vent blank is installed tick the vent plug inserted box Water height The GasClam can measure the water level in the borehole using an optional pressure transducer To enable the water level pressure transducer the water level enabled box in the Distance water height area needs to be ticked The GasClam reports the level in meters below ground level mbgl however in order to calculate this distance 3 parameters need to be entered water density water sensor length and the distance of the GasClam to the surface see diagram below Pure water has a density of 1000 kg m3 at 4 C Borehole pressure affects the water level reading but this is automatically corrected GasClam distance Distance water height Me Water Level Enabled Water density 338 kg m3 Water Sen
25. ience Ltd To help trouble shoot errors the service centre will need the gcl gce and csv file see page 21 The VOC CH sensor and the CO sensor have an in built test which is run before every sample In the unlikely event the test fails low voltage is written below the sensor in the last readings stored section of the front screen see below If this happens contact your local service centre immediately Es GasClam Last Reading Stored Hydrogen Sulphide Carbon Monoxide 15 03 2011 11 05 58 26V e On Line Status Battery status Oxygen Samples Remaining 645590 Sample Count 364938 Methane Sampling Every 10 min End Date 08 June 2012 10 02 Carbon Dioxide Serial Number 000067 12 09 COM port COMa Borehole Pressure Vent Mode Close Status Measuring Stop Atmospheric Pressure A O O O Temperature Switch Gasclam OFF Water Leve Fimware 07 09 96 HW 7 Salamander English bj DO ppm Volatile Organic Compound O ppm O ppm 21 2 Low voltage 0 2 1010 mbar 1014 mbar 211 Version 5 6 8 A log of the errors is kept and can be viewed in the Error Messages section in the view data section of the GasClam software see below a ViewDataNew Unrivalled Detection Ale name C Users peter moms IONSCIENCE Documents spain Spirx GASCLAM TESTA GasClam 40 16 5 2011 1M40m 48s GCL mm ee ee Wey G imeno Amp fer E 23 04 2011 07
26. isk of explosion you must only use 2 x 1 2V LR20 Nickel metal hydride Saft VH D 9500 rechargeable pack provided or 2 x Duracell 1 5 V LR20 Alkaline Manganese MN1300 batteries Do not mix old and new batteries within the same unit change both batteries at the same time Failure to do so will reduce battery life of the new cell fitted The battery compartment is accessed by removing the 4 screws from the battery compartment lid see diagram To remove the batteries tilt the GasClam until they fall out Replace with the stipulated batteries positive terminal facing down Take care when replacing the cover to ensure the O ring is not damaged by following the instructions below The integrity of this O ring should be checked every time the batteries are Push the battery compartment lid down square on the replaced This needs to be replaced if GasClam any damage is noticed Za When the O ring is resting on the battery compartment push the lid down evenly on both sides to ensure it travels down square This will prevent damage to the O ring When the O ring is sitting in the compartment loosely tighten the screws The lid must sit flush with the head of the GasClam otherwise the intrinsic safety of the unit will be compromised When tightening the cover alternate between screws to ensure the cover sits on the GasClam squarely If this is not done the O ring may be damaged Unrivalled Detection Page 10 of 50 www lonscience com
27. lashes intermittently this equates to the measuring mode To stop the GasClam press the button for two seconds when it has stopped the LED will stop flashing this equates to sleeping mode No flashing Sleeping Rapid flash Sampling Intermittent flash Unrivalled Detection Page 7 of 50 www lonscience com GASCLAM MANUAL lon Science Ltd Getting started Physical Characteristics Communication port Pressure transducer port 9 Pressure transducer port cap Gas inlet Gas Outlet Water proximity sensor 10 Pressure transducer hook Battery compartment lid 6 Vent with hose barb 0 Rubber Collar IN GasClam identification plates with intrinsic safety specifications Unrivalled Detection Page 8 of 50 www lonscience com GASCLAM MANUAL lon Science Ltd Getting started How the GasClam Works and access areas Controlled Vent outlet Gas Inlet outlet Sensors and detectors Processing and memory a Connection Socket Batteries 7 Authorised service centres Trained Users All users Unrivalled Detection Page 9 of 50 www lonscience com GASCLAM MANUAL lon Science Ltd Getting started Battery Change Warning For reasons of intrinsic safety batteries MUST NOT be changed within potentially flammable areas Always ensure you are in a safe area before carrying out any type of maintenance on your GasClam Battery types that can be used For Intrinsic Safety and reduced r
28. mately 670 samples To ensure the GasClam does not take more samples than the filters capacity use the table above to set the sample count See GasClam Set up pg 24 to below the number of sample the filter will last at that temperature E g if the borehole is 30 C set the sample number to less than 520 It is unlikely humidity in the borehole will be above 90 all the time and to help assess how to manage the filter after the first installation there is an indicator system The indicators work differently below 30 C and above 30 C Filter management below 30 C Below 30 C the top indicator turns pink after approximately 40 of filter life and the bottom turns pink after 50 of filter life For 15 C and 90 RH the indicators will change in accordance to the table below Unrivalled Detection Page 33 of 50 www lionscience com GASCLAM MANUAL lon Science Ltd The effects of water on GasClam sNLSIOW E Max No No of No of samples an ho Environmental samples to p ho of turn top to turn bottom conditions samples p indicator pink 15 C 90 RH 1320 Top indicator indicator pink Bottom indicator To asses if the filter needs to be changed when the batteries are replaced inspect the filter indicators If both indicators are blue the filter can be used again If the top indicator is pink and the bottom indicator is blue the filter can be used again If both indicators are pink the filter must be changed This is summa
29. nd level readings will be incorrect Effects on data In some circumstances if the GasClam is removed from a borehole where water has been above the base of the GasClam a droplet of water may fall on the inlet Every time a GasClam is removed from a borehole the inlet should be checked to see if a water droplet is on it If so dry with a cloth If there is any chance water may have entered the inlet contact your local service centre and do not start GasClam Effects on GasClam Unrivalled Detection Page 38 of 50 www ionscience com GASCLAM MANUAL lon Science Ltd Optimising GasClam performance Read the Cross sensitivities and sensor performance section to understand how each gas is detected and the implication of environmental conditions on their detection Understand the implication on sampling and bump testing if a 5 CO2 sensor is installed see section technical specification pg 47 To optimise GasClam performance follow the advice in the effect of water on your GasClam section At least every month the GasClam should be removed from the borehole if installed for long periods When removed the GasClam should be e Downloaded and the data checked if there are any problems contact your local service centre e The GasClam should be inspected for any signs of wear and tear especially water ingress e The moisture stripping filter changed see pg 40 Check integrity of the two O rings in the moistu
30. ndow This is turned on by clicking the view value box These values will update as the cursor is dragged over the graph a GraphNew O Ol j Info Graph Date and time 26 06 2008 04 15 0 01 3 86 11 22 Jorehole Pressure A o Aimospnenc Pressure rer n Umerential Fressure Temperature Water Leve 26 Jun Date and time Start Stop data To display the sampling log of the unit click the Start Stop Data button Information regarding when and how the unit was started and stopped date the action was taken memory space left and sampling frequency and how many samples was taken is reported see below for an example Unrivalled Detection Page 27 of 50 www ionscience com GASCLAM MANUAL lon Science Ltd Software EN ViewDataNew Filename C Users Public Documents 5 Chamber GasClam Dual sensor testi GasClam 14 14 4 2010 13h30m42s GCL o open Graph Back Code Date Note 2 vena Sep 1204 2010 1609 Serrie caese MO sf set easena 12 0 2010 1036 Sr Eve 10 sat Mezana 12 4 2010 15 Sano Ever Tn 7 Mana Sop 1 0 2012 Sone Cut 2 Sagra Evy Tint 13 04 2010 11 32 Sample Count 1 10 Start Measuring 13 04 2010 11 41 Sampling Every 10 mins 11 13 04 2010 11 47 Sample Count 1 ra Sat ana 10 2001 Sor Evy Ti n Soe Gat ta a nna 0 2010 1205 Some Evy Tin Soe Gat 13 04 2010 12 37 Sample Count 1 Note If the GasClam has stopped due t
31. nfo ism d de Web www ionscience com Web www ionscience com Web www ism d de Unrivalled Detection Page 43 of 50 www lonscience com GASCLAM MANUAL lon Science Ltd Technical specification Sensor Specifications 0 100 1 of measuring CH Infrared 0 5 j range above 50 2 FSD 2 FSD or 10 reading 0 5 below 50 0 100 1 of measuring CO Infrared o range above 50 2 FSD 2 FSD or 10 reading 0 5 0 5 below 50 Electrochemical 0 500 PPM 1 PPM lt t 3ppm at 0 5 at 250 ppm at 100 ppm lt 3ppm at 0 5 o o CO Electrochemical 0 2000 PPM 1 PPM at 250 ppm 10 9797 n PPN 10 full scale Mee l B lt 1 ppm at 0 5 s Electrochemical 0 100 PPM 1 PPM bila voc PID 0 4 000 PPM 1 PPM e a 5 to 100 ppm Optional Specifications obtained under laboratory conditions of gas flow temperature and humidity Field performance is dependent on the correct installation procedures being followed environmental conditions frequent sensor cleaning and regular calibration Some of the sensors have cross sensitivity for more information contact your local supplier Details are subject to change without notice Memory 65000 time date stamped readings Power Rechargeable battery pack or 2 Duracell 1 5 V LR20 MN1300 Battery Life Rechargeable battery pack will last approximately 1 month at an hourly sampling rate in a GasClam with all the sensors 15 C Unrivalled Detection Page 44 of
32. ng mode to start the GasClam left click the button rc Status Sampling Stop The unit is actively sampling it can be stopped by left clicking the nana ro button after this has finished the button changes to status i Stop The unit is between samples and the programme can be stopped by aa AT arms left clicking the button After starting the GasClam through the software wait until the first cycle is complete The last readings stored will be updated and these values can be used to check that the GasClam is functioning correctly Also this will remind the user that the GasClam has been started before leaving it for a period of unmanned data collection Firmware shows the firmware version in the unit Always use the software designated for the given firmware version Last reading stored The last recorded values are displayed in the Last Reading Stored box If the sampling cycle has started these values will display measuring and are updated throughout the sampling process The displayed ranges of individual sensors are as follows Methane 0 100 or 0 5 Carbon Dioxide 0 100 or 0 5 Oxygen 0 25 Borehole Pressure 800 1200 mBar Barometric Pressure 800 1200 mBar Temperature 5 C to 50 C Optional Water Level 0 25m Optional Dual CO H2S sensor 0 500ppm 0 200 ppm Optional VOC 0 4 000 ppm Optional H S 0 5 000 ppm Optional CO sensor 0 100 pom Unrivalled Detection Page 13 of 50 w
33. ntering from above To prevent water reaching the vent pathway the snorkel should always be attached to the vent hose barb The top of this should be supported so it is located at the top of the headworks to reduce the chance of water ingress In situations where the headwork is likely to be flooded the hose barb must be replaced by the vent blank The supplied box spanner can be used to remove the hose barb and the supplied vent Alan key used to replace with the vent blank and washer If the vent blank is inserted you should set it in the setup window see pg 24 The Atmospheric pressure will not be measured in this mode oe N y The GasClam should always have the snorkel attached to the vent hose barb A In situations where the headworks is likely to flood the hose barb must be replaced by the vent blank and washer B Unrivalled Detection Page 36 of 50 www ionscience com GASCLAM MANUAL lon Science Ltd The effects of water on your GasClam How the GasClam prevents water entering from below To prevent water entering the GasClam from below a water proximity sensor sits lower than the inlet If water rises up the borehole and touches the water proximity sensor the GasClam will not sample When water goes back down the borehole the water proximity detects this and the sampling programme will continue after 1 hour To prevent water from reaching the inlet barb and therefore prevent water ingress the moisture filter section cover
34. o low battery a note indicating this will be left in the code column Calibration Data In this section the calibration date and constants are displayed Error Messages All errors are logged and can be viewed here see pg 20 for details Eeprom Firmware constants are displayed in this tab These are useful for the service centre when trouble shooting Unrivalled Detection Page 28 of 50 www lionscience com GASCLAM MANUAL lon Science Ltd Software Bump Test You can check the performance of the sensors by running a bump test on your GasClam During a bump test a known concentration of gas is pumped through the GasClam and the value measured is displayed If the measured concentration is within the tolerance of the sensor the bump test is passed and indicated by a tick if it is outside this range the bump test is failed and indicated by a cross The values are informative only i e nothing is saved on the GasClam settings and used to decide if a calibration is required The bump test menu is entered by clicking the Bump Test button on the main screen To check the performance of the relevant sensor s tick the box next to the sensor name then enter the concentration of the test gas in the Enter Values column If you want to test atmospheric gas the Enter values for Air button can be used to set the concentrations Before starting the test connect the gas line to the inlet barb The test is then started by clicking the S
35. r 0 279 3 09 21 21 90 0 189 0 189 last reading 09 oe within y Unrivalled Detection Page 47 of 50 www lionscience com GASCLAM MANUAL lon Science Ltd Technical specification When concentration decreases the reading will also be 90 of the real value after 1 sample Below are examples when 4 7 CO has been sampled and how the sensor filter clears down in air Oxygen The oxygen sensor is a Galvanic sensor and is very specific It has a little cross sensitivity with COs 5 CO only causes a 0 1 change in reading Humidity has a little effect on output between 0 to 95 rh the O change is lt 0 7 The sensor can work between 5 95 RH continuously and 0 99 short term VOC The VOC sensor is a mini photo ionisation detector PID and is sensitive to any VOC s that have an ionisation potential less than 10 6 eV The sensitivity of the sensor depends on the VOC present The sensor Is calibrated to isobutylene and its response to other VOC s can be calculated using that compounds response factor A response factor is a number which relates the PID response to a particular VOC to the PID response from the calibration gas normally isobutylene If the response of a PID to a particular VOC is eight times smaller than it is for the same concentration of isobutylene then the response factor would be 8 Similarly if the response factor for a particular VOC is 0 5 the response is twice that for isobu
36. rade an error will occur ignore this and go to the next option 2 If you already have this version of DotNetFX then double left click the GasClamUnit icon The guide will then take you through the installation process step by step The default location for the GasClam software is C Program Files Salamander GasClam Unrivalled Detection Page 6 of 50 www lionscience com GASCLAM MANUAL lon Science Ltd Getting started Packing list Please take a little time to examine the contents of the GasClam package Item Description Qty Barbs Fitted Box spanner for removing barbs Blank NOT Fitted washer Length of pipe 30cm Battery Allen Key Vent blank Allen Key Communication cable Start cable Manual and software on CD Rubber Collar GasClam Unit 1 5v Duracell Batteries Fitted Moisture Stripping Filter Rechargeable battery Recharger mb Accessory Kit Moisture stripping filter Snorkel complete Snorkel filter Pack of o rings A 25066 Pack of o rings A 25067 o1 01M W Turning on the GasClam The GasClam can be switched on and off using the remote The remote connects to the communication port on top of the GasClam To start the GasClam hold the button down for two seconds the red LED will flash rapidly indicating the GasClam has started and is currently going through the processes in a sampling cycle this equates to sampling mode After the sampling processes have finished the red LED f
37. re stripping filter compartment if compromised replace immediately spares provided an accessory kit e All the channels bump tested see pg 29 e Also the GasClam should be left to run in fresh air at least 20 samples to allow the sensors to recover from any potential contamination cross sensitivities effects of non oxygen environments and high humidity conditions see pg 45 e Change batteries see page 10 Check the integrity of the battery compartment O ring if compromised replace immediately spares provided an accessory kit Note If conditions of 85 RH and 40 C have persisted for more than 10 days the H2S CO and O sensors may need to be reconditioned see pg 48 Battery life and management The rechargeable battery pack will last approximately 1 month at an hourly sampling rate and should always be used in preference to alkaline batteries The alkaline batteries can be used when the rechargeable battery has not been charged and the GasClam must be deployed immediately Alkaline batteries will last approximately 14 days hourly sampling The voltage of the rechargeable pack after fully charging is 2 65 volts Check this voltage is displayed on the battery indicator in the software front screen when a fully charged battery is installed The battery voltage displayed is a live reading and will decrease when the GasClam actively samples as a load is being placed on it Before leaving the GasClam observe the battery voltage durin
38. re gas concentrations e measure borehole and atmospheric pressure e allow a venting pathway between the borehole and atmosphere To measure gas concentrations the gas must be dry and measurements of atmospheric pressure should not include the pressure of overlying water As the GasClam can be in a position liable to flooding from above flooded headworks and below high borehole water level your help is required to optimise the performance of your GasClam by e carrying out simple preventive and remedial maintenance e being aware of the limitations of data gathered under flood conditions Keeping your GasClam dry and clean in regular use To dry the gas before measurement by the CH and CO sensors there is a moisture stripping filter in the bottom section of the GasClam Over time this will hydrate and its ability to remove moisture will decrease lf moisture is not successfully removed concentration readings can be affected The amount of samples that can be taken will depend on temperature and humidity The table below shows how many samples can be taken at 90 Relative Humidity RH at different temperatures 90 RH is assumed to be worst case 5 No of Samples at 3455 2620 1850 Typically temperatures in a borehole will not exceed 15 C and not go below 3 C however this will depend on installation If the GasClam is used above ground then temperatures can vary more widely The rechargeable battery on the GasClam lasts approxi
39. ressure Temperature Switch Gasclam OFF Fimware 07 07 220 HW 7 Version 5 4 25 The window is divided in to 3 sections navigation tabs view data download setup and user calibration bump test other tests Online Status and Last Reading Stored Unrivalled Detection Page 11 of 50 www lonscience com GASCLAM MANUAL lon Science Ltd Software Main Screen Battery status displays battery voltage alongside a power bar the bar changes colour according to capacity providing a rough guide to battery life Green Capacity is fine for a long sampling period Orange Batteries need to be replaced very soon Red Replace batteries immediately The voltage in the battery will decrease when the GasClam is sampling due to load on the batteries this is the voltage that should be used to assess battery condition This is also the voltage that is logged Note If the battery capacity is no longer sufficient for the running of the unit during a programme the unit automatically interrupts the cycle and switches to sleeping mode this will be logged as a battery error The data is stored in the flash memory therefore the data will remain in the GasClam even if the batteries are completely flat Samples Remaining displays the remaining number of samples that can be stored in the memory Samples Taken When the GasClam is in sleeping mode this reads samples taken indicating how many sampling points are stored on the memory W
40. rised in the table below Colour of top Colour of indicator bottom indicator Pink Blue Don t change but will probably need to be changed next time Change and check instrument for Pink Pink signs of moisture in the instrument Contact local service centre if any signs of moisture If both indicators turn pink after 1 battery life 670 samples contact your local supplier for sampling advice Filter management above 30 C Above 30 C and high humidity the indicators do not represent 40 and 50 of the filters lifetime below is an example of when the indicator s change colour at 38 C and 98 RH No of samples to turn top indicator pink Max No of No of samples to turn bottom indicator pink Environmental conditions samples 38 C 98 RH 300 Unrivalled Detection Page 34 of 50 www lonscience com GASCLAM MANUAL lon Science Ltd The effects of water on your GasClam When sampling above 30 C follow the table below Colour of top Colour of indicator bottom indicator Change and check instrument for signs of moisture in the instrument Contact local service centre if any signs of Pink Pink moisture If sampling in the same borehole again reduce the number of samples the Gasclam will take so both indicators do not turn pink Unrivalled Detection Page 35 of 50 www lionscience com GASCLAM MANUAL lon Science Ltd The effects of water on your GasClam How the GasClam prevents water e
41. sampling it has an ingress protection rating of IP 68 However e Immersion will effect data and e May require subsequent corrective action These effects and requirements will differ whether immersed from above i e flooded headworks or from below i e rise in borehole water level see table below Flooded Preventive Hearts Pemedalacton amenas If chamber is known to Should vent breather be flood or is already full submerged of water e atmospheric pressure Use borehole pressure as e Choose reading will be incorrect approximate replacement or another and will remain incorrect use data from another source chamber Scheduled venting will be Or replace ineffective snorkel with bolt Effects on data When GasClam is visited If submerged for an extended e Check data and call If chamber is liable to period the vent pipe may become service centre if flooding flooded atmospheric e replace vent The vent breather may become pressure looks breather each clogged by dirty water strange and they visit will advise Effects on GasClam Should water reach the bottom of the GasClam the inflow and outflow valves will remain If borehole water level is known to be high or is already full of water closed and no samples will be taken Data points collected whilst the sampling cycle e borehole pressure wacdicabied wilhpe e Choose another reading will be chamber incorrect MANER Or extend the borehole gas concentration above grou
42. sor Length 1000 cm GasClam Surface Distance fao cm GasClam Length lea cm Water level mbgl GasClam distance length of GasCalm length of Water level sensor Depth of submersion Unrivalled Detection Page 19 of 50 www lionscience com GASCLAM MANUAL Software Unit date and time The time and date of the unit and computer are displayed in the Date and Time box and are synchronised by left clicking the Set Time tab The date and time is not stored when the unit is switched off or when the batteries run or are changed Note The time on the unit is likely to differ from the computers if the device was programmed on a different computer to the one it now is connected to Write Settings to GasClam lon Science Ltd Date and Time Time on GasClam 05 06 2008 14 30 43 Time on PC 05 06 2008 14 30 43 Erase GasClam Memory OFF Update Firmware Back To activate a change in the setup up menu the write settings to GasClam button must be clicked If this is successful a message saying Settings written successfully will appear Click OK to continue Erasing Data Memory To erase all the data from the flash memory left click the Erase memory button The status will change to Clear Flash during this process when this is finished the status will change to Sleeping Warning This process erases stored data permanently Make sure you have downloaded the data from the GasClam on
43. tart button The whole bump test cycle will take approximately two minutes after which the measured concentration is displayed in the Values column and the result of the test is indicated by a cross or tick If a cross occurs contact your service centre and they will advise on action The sensors must be checked at atmospheric pressure as the calibration gas bottle will be pressurised it is important that the excess pressure is vented This is achieved by attaching a T piece between the gas bottle and inlet see diagram below Alternatively and on demand regulator can be used User Bumplest process Enter values 3 3 mbar mbar mbar mbar T T ar values for Air Close Enter Tick box concentration of Measured Result Gas here value N B The flow rate of the GasClam is 420 ml minute therefore a flow regulator with a minimum flow of 500 ml min is required Excess Pressure GasClam Inlet Unrivalled Detection Page 29 of 50 www lionscience com GASCLAM MANUAL lon Science Ltd Software The recommended gas bottles to use for bump tests are Bump test 40ppm balance air 20ppm balance air Isobutylene 100ppm DO a e os CHICO 60400 oo 5 CHICO 25 2 20 9 e M Pure zero 02 Note It is possible to bump test multiple sensors simultaneously however some of the sensors will have cross sensitivities at the bump test concentrations therefore the sensors are separated out
44. ter to the base of the GasClam ingress If OK sampling can continue if any suspicion water has reached the inlet barb contact local service centre for advice Check to see if it has happened only once or if it is a permanent error If AD Overflow The AD convertor is not working pe aan ee ae ay removing and replacing batteries If problem persists call the service centre Check to see if it has happened only once or if it is a permanent error If Flash Busy The memory has timed out permanent reset the GasClam by removing and replacing batteries If problem persists call the service centre Full Memory The memory is full Download GasClam and clear memory Check to see if it has happened only once or if it is a permanent error If NF SPI Flash The flash memory has not permanent reset the GasClam by worked correctly removing and replacing batteries If problem persists call the service centre Check to see if it has happened only once or if it is a permanent error If Error Write Error writing to the flash memory elimi A rentar problem persists call the service centre O Pump Pump is not working correctly Check battery peas OK call service See filter pressure pg 23 and Potential problem if used below 0 C pg 49 for more information After the problem has been resolved clear the error message by clicking clr Unrivalled Detection Page 15 of 50 www lionscience com GASCLAM MANUAL Software lon Sc
45. to your computer Return to main screen To return to the GasClam software s main window use the back button Unrivalled Detection Page 20 of 50 www lonscience com GASCLAM MANUAL Software Downloading lon Science Ltd To download the GasClam left click the Download button This opens a standard Window s save as window The default file name is the device ID followed by the time and date Remember to have view negative values selected see page 14 Y GasClam C M GasClam SALAMANDER GROUP Download User Calibration Other Tests On Line Status 27 3 2010 10 33 55 250 Po 63723 1277 Battery status Samples Lett Sample Taken Sampling Every 3 min Finish On o00002 11403 COM Serial Number COM port Status Firmware 07 07 220 Hii F 3 20 x Enalish Close Last Reading Stored Volatile Organic Compound 3208 ppm Hydrogen Sulphide 30 4 ppm Carbon MmMonosde 902 0 ppm Ospgen 20 Methane 0 0 Carbon Dioxide 0 0 Borehole Pressure 961 mbar Atmospheric Pressure g57 mbar Temperature ae T E Water Level 21 04 mbgl Salamander Yeron 5 4 3 After choosing the file name and location the download begins when save is clicked the length of the download will depend upon the amount of data Three files are produced
46. tylene at the same concentration Concentrations greater than 4 CH and CO will attenuate the response of the PID sensor Some VOC s after ionisation may stick to the PID lamp reducing the amount of ultraviolet light available for future measurements Before each PID measurement is made the lamp is turned on for 30s to burn the residual VOC s off However some VOC s may be more persistent and not completely removed if this happens the PID response will decrease To recondition the lamp set the GasClam to sample every 3 minutes and run for 1 hour in clean air then perform a bump test If the sensor has not completely recovered try reconditioning for longer If this does not work contact your local service centre Additional CO H2S sensor performance information If the GasClam is located in a zero oxygen environment for longer than 24 hours the CO and H2S sensor performance may be hindered To return the channels to optimal performance the sensor needs to be left exposed to an oxygenated environment for the same length of time as it was deprived of oxygen for Above 85 RH and 40 C a maximum continuous exposure of 10 days is recommended Where such exposure occurs the sensor will recover normal electrolyte volumes when allowed to rest at lower RH and temperature for several days If very accurate CO or HS measurements are required it is recommended that a single CO or H2S sensor is used Unrivalled Detection Page 48 of 50 www lionscience
47. view window shown on next page Selecting data channel To select a data channel click the desired parameter from the Data Channel box see below Multiple parameters can be displayed by clicking more parameters 02 17 Jun 20 Jun Jun 20 Jun Jun 2 Jul Date and time Unrivalled Detection Page 24 of 50 www ionscience com GASCLAM MANUAL lon Science Ltd Software Displaying multiple parameters a Graphh eae cine 25 Jun Date and time Unrivalled Detection Page 25 of 50 www ionscience com GASCLAM MANUAL lon Science Ltd Software Import data into External Spread sheet Data is provided as a CSV file and can be imported into various spreadsheets for manipulation This is normally done using the import function and selecting delimited and then selecting comma as the separaior Text Import Wizard Step 2 of 3 Aea This screen lets you set the delimiters your data contains You can see how your text is affected in the preview below Delimiters Tab Semicolon V Comma _ Space _ Other Text qualifier o M Treat consecutive delimiters as one Data preview 38 04 2009 15 57 48 3 04 2009 15 59 33 28 04 2009 16 01 18 38 04 2009 16 03 03 38 04 2009 16 04 45 Unrivalled Detection Page 26 of 50 www lonscience com GASCLAM MANUAL lon Science Ltd Software Infograph All the values of the parameters at any particular time can be displayed by using the info graph wi
48. ww lonscience com GASCLAM MANUAL lon Science Ltd Software Errors If the GasClam is not functioning correctly an error message will be displayed at the top of the Software home screen see below Con i eS i Errors English hd GasClam 8 a e Last Reading Stored Vien deta Download Vote Organic Compound User Calibration a On Line Status 1340542010 15 09 41 Battery status 250V ms TE Samples Remaining 64993 Samples Taken Methane Sampling Every 60 min End Date Carbon Dioxide Serial Number COM port Borehole Pressure Vent Mode Status in Atmospheric Pressure Carbon Monoxide Temperature Switch Gasclam OFF Fimware 07 09 96 HW 7 Unrivalled Detection Page 14 of 50 www lonscience com GASCLAM MANUAL lon Science Ltd Software Different errors require different solutions these are summarised below Reason og Battery Battery voltage is below 1 8V for GasClam will run but batteries need to 10s be changed immediately 9 Battery Battery voltage is below 1 8V for GasClam will not sample batteries 60s must be changed a da Change the moisture stripping filter If this does not work then call the service centre When waiter level drops the GasClam Filter Error The moisture stripping filter is clogged will start sampling again after 1 hour If submerged for longer than 7 days the 4 Immersion Water in the borehole has risen user will have to inspect for wa
Download Pdf Manuals
Related Search