Operating Manual
Contents
1. Ay 2 MA 1 NS iGAS100 is being used as a 4 20mA transmitter cU x 25023 a i then the output will drop to below 4 to indicate a fault condition In some circumstances for example if the temperature conditions exceed the rating of the sensor or if the calibration period has been exceeded the sensor may drop below the range of the iGAS100 Should the sensor signal drop below the zero point by more than 5 of the sensors range this is indicated by the display shown below When the gas concentration is back in range the iGAS100 reverts to normal operation This indicates Gas under range iGAS100 is being used as 4 20mA transmitter Se y NS the output will drop to below 4mA to indicate a fault condition In both cases the fault must be continuously present for more than 5 seconds 19 5 3 9 Password Protected Menus The iGAS100 stores its calibration and set up information in non volatile memory To access these functions it is necessary to enter a password as previously described These password protected functions should only be carried out by trained staff otherwise problems can arise due to poor calibration or zeroing Similarly if detector set up functions are incorrectly set then poor performance could result Follow the procedure described b2. 3 Operating Manual IGAS100 12 GD Ex d T6 tD A21 IP 68 T85C Operating Manual This page is intentionally left blank Document Number 317829 See Last Page for Revision Details 2006 Extronics Limited This document is Copyright Extronics limited Extronics reserve the right to change this manual and its contents without notice the latest version applies Contents 100 Un 6 2 Safety Information and Notes pp 7 2 Storage OF INS 7 22 7 9 as Deleclor OCS nta sun 8 mI 8 2 4 Tecnology E tm 8 23 Technology Fuel Gell ue RN atn d 8 A JUNCTION BOX VDES iode iei UM DI End 10 AN 10 2 10 4 10 257 en eet te eee ee 10 45 10 S Moala mE 11 51 Customer sealing and earthing responsibilities 11 5 1 1 ESrthing redulretmiebllSasetenctasetetvadu t de cue atado etui docu amd deu uta 12 52 Tetn auon stt esi met dos a 12 5 2 1 JBI EET m 12 5 2 2 Termination Details JB2 for 102 13 5 2 3 Termination details fo
3. 8 9 10 11 GOCE ATEX Marking Ote tbi oe AA ee nee ee eee te Manual Revision 1 Introduction The iGAS100 series of gas detectors are designed to provide an accurate cost effective and reliable gas detection solution The iGAS100 range incorporates a number of sensing technologies each of which can be utilised in a standard field housing with no field display or alternatively a field housing with a local display which can be adjusted using magnets for calibration and alarm set point adjustment The iGAS100 series of detectors utilise microprocessor technology to give a stable process signal output and allow for a 4 20mA or digital addressable output signal The digitally addressable sensors are installed on a single cable run which dramatically reduces installation costs The iGAS100 series of sensors can be combined with the iGAS700 controller for local display and calibration The integrated processor can be used to pre calibrate the sensor prior to installation Alternatively calibration can be achieved on site via the Extronics control panel or locally using a handheld PC device or laptop 2 Safety Information and Notes 2 1 Storage of this Manual Keep this user manual safe and in the vicinity of the device All persons who have to work on or with the device should be advised on where the manual is stored 2 2 List of Notes The notes supplied in this
4. MKIII Type B Pellistor 27 1 The POT 1 function sets up an initial zero setting using an electronic potentiometer Once set at the factory this should not need to be re set during the operational life of the iGAS100 Select to set up initial system zero F ae ru Select to set up initial system Gain The POT 2 function sets up an initial gain setting using an electronic potentiometer Once set at the factory this should not need to be re set during the operational life of the iGAS100 This option will energise all the output relays for a short period Note this feature is only operational on models fitted with relay outputs select to test relay output function T1 T LL Select to return the iGAS100 to normal operational mode 28 6 Intended Purpose Usage Important Before setting the units to work read the technical documentation carefully Important latest version of the technical documentation or the corresponding technical supplements is valid in each case The iGAS100 15 built using modern components and 15 extremely reliable in operation however it must only be used for its intended purpose Please note that the intended purpose also includes compliance with the instructions issued by the manufacturer for installation setting up and service Any other use is regarded as conflicting with the intended purpose The manufacturer is not liable for any
5. ST amp C Chester Form 9225 Issue 4 37 Rake Lane Eccleston Chester 9JN England 44 0 1244 670900 Fax 44 0 1244 681330 Email info siracertitication com Web www siracertification com sira CERTIFICATION SCHEDULE EC TYPE EXAMINATION CERTIFICATE Sira O6ATEX1368X 13 DESCRIPTION OF EQUIPMENT The MK3 Gas Detector Head GDH consists of stainless steel body insert and sintered element The body and insert are connected by a threaded flamepath The insert can only be fitted and removed by a bespoke tool In addition the threaded flamepath is sealed with cement Devweld 531 The sintered element is cemented in position Devweld 531 The rear of the body incorporates a cemented Araldite CW1404 GB HY1456 GB bushing assembly This facilitates the passage of flying leads from inside to outside the enclosure The flying leads are to be terminated in a suitably selected and certified enclosure The MK3 GDH has a maximum power dissipation of 1 W 14 DESCRIPTIVE DOCUMENTS 14 1 Drawing No Issue Sheet Date Title Sira Stamp 3454002 3 1 of 1 12 07 Pellistor Engraving Detail EXTRONICS 14 2 Report number R51A15846A 143 Certificate number Sira 02ATEX1270X last amended 13 June 2003 15 SPECIAL CONDITIONS FOR SAFE USE denoted by X after the certificate number 15 1 The free end of the permanently connected cable must be protected in accordance with EN 50014 1997 Clause 14 1 15 2 In accordance with EN 50018 2000
6. making any changes back to the main menu Main Menu 20 Enter CAL as previously described The display now cycles through the current gas reading CAL or END Flow gas and observe the reading When stable select either CAL or the gas reading to proceed END will Note for flammable detectors this is in LEL for toxic detectors in ppm and for oxygen detectors in Volume The display now indicates the gas bottle value Use the process previously described to edit the bottle value The display now reverts to alternating between a display of the current gas value and the word GAS When you are happy the gas value is stable select the Fn button to proceed The iGAS100 has now calibrated the detector The display now alternates between a display of the current gas value and the word END The quality of the calibration can be observed When satisfied select the Fn button to return to the main menu L cu Select to calibrate 4 20mA loop O P The C420 function is used to calibrate the 4 20mA loop output by the following method Using a calibrated ammeter preferably traceable to a national standard measure the 1 loop current 4 2 Loop Output the meter reading If it matches the set output current no further action needs to be 2 Select the 420 option and set current loop output to 18 Observe and record taken the current output is already set up and calibrated loop by using the C420 function
7. 08 NS PL Revision Description _ By iti Revised to Include JB5 07 04 08 3 0 Images for iGAS modified Calibration info 02 06 08 NM added to with flow rate 42
8. Local Display JB5 Specify Option 3 Gas Detector type Nitrogen dioxide NO2 Sulphur dioxide SO2 Hydrogen sulphide H2S Chlorine CL2 Oxygen 02 Nitric oxide NO Ammonia NH3 Ammonia High Level NH3HIGH Carbon monoxide CO Flammability FL Carbon dioxide CO2 Freon FREON Hydrogen cyanide HCN Gas types and Sensing Technologies NO2 SO2 H2S CL2 O2 NO NH3 NH3 CO FL High Tet CO2 FREON HCN Infrared Nu Ee ee mee ppm vin 0 5 10 100 X 5000 _ 32 9 Marking cate 100 WARNING DO NOT OPEN WHEN ENERGISED OR IF IN THE PRESENCE OF A FLAMMABLE ATMOSPHERE IIl2DG ExdlIC T6 x EpsilonO7ATEX2268 Ex tD A21 IP68 T85 C XXXX Congleton England 0 1260 297 274 Web www extronics com XTRONICS iGAS 100 Serial NENNEN atc ___ 20 6 6 Epsilon07ATEX2268 tD A21 IP68 85 WARNING DO NOT IN THE PRESENCE OF A FLAMMABLE ATMOSPHERE XXXX DO NOT OPEN WHEN ENERGISED Extronics Ltd Meridian House Roe Street Congleton CW12 1PG 44 0 1260 297 274 Web www extronics com 33 DO NOT OPEN WHEN AN EXPLOSIVE ATMOSPHERE MAY BE PRESENT Extronics Lid Roe st Congleton England EEx d T6 Rating 2W Max Sira 06 1366 S
9. Whilst the 420 function is still outputting a fixed value select the C420 function Mow enter the ammeter reading and the loop will correct itself Use the 420 function again to check that the ammeter and Tocsin 902 are concurrent that it may be necessary to repeat this process a few times if there was a large initial difference c CU Select to zero 4 20mA loop O P Follow the same basic procedure described for calibration but this time use it to zero the 4 20mA loop output 3 If the ammeter reading differs trom that set using the 420 function then calibrate the 26 LJ The 420 function allows the user to output a set current for diagnostic purposes on the 4 20mA loop output The output once set will remain for a short period until the system times out and returns to normal operation or a new value is input Maximum output value is 35mA L 460 select to calibrate the pellistor drive current This function can be used to eliminate any read errors between the set drive current for a pellistor head and the current measured using an external ammeter For example if the iGAS100 indicates it is outputting 360mA to the measuring head but an external ammeter indicates 350mA then select C360 and increment the displayed value until 360 is indicated on the ammeter YY S20 9 Checking the head current is calibrated p Enclosure gt Ground Jal asa
10. clause 13 4 2 the rear end of bushing shall be protected by fitting it into a suitably certified enclosure In addition the bushing must not be subject to torque during installation 15 3 The product shall not be connected to portable equipment 15 4 The product shall be earthed in accordance with EN 50014 1997 clause 15 when fitted to a suitably certified enclosure 15 5 The MK3 Gas detector head shall not be used as a Safety Related Device in accordance with Directive 94 9 EC 16 ESSENTIAL HEALTH AND SAFETY REQUIREMENTS OF ANNEX II EHSRs The relevant EHSRs that are not addressed by the standards listed in this certificate have been identified and individually assessed in report number R51A15846A 17 CONDITIONS OF CERTIFICATION 17 1 The use of this certificate is subject to the Regulations Applicable to Holders of Sira Certificates 17 2 Holders of EC type examination certificates are required to comply with the production control requirements defined in Article 8 of directive 94 9 EC 17 3 This product shall be uniquely marked with the label identified in section 14 1 of this certificate Date 12 January 2007 Sira Certification Service This certificate and its schedules may only be Rake Lane Eccleston Chester 9JN England reproduced in its entirety and without change 44 0 1244 670900 Page 2 of 2 Fax 44 0 1244 681330 ST amp C Chester Form 9225 Issue 4 Email info siracertification com Web www siracertificat
11. high risk of impact 15 5 The product shall be earthed in accordance with EN 50014 1997 clause 15 when fitted to a suitably certified enclosure 16 ESSENTIAL HEALTH AND SAFETY REQUIREMENTS OF ANNEX II FHSRs The relevant EHSRs that are not addressed by the standards listed in this certificate have been identified and individually assessed in report number R51A15846A 17 CONDITIONS OF CERTIFICATION 17 1 The use of this certificate is subject to the Regulations Applicable to Holders of Sira Certificates 17 2 Holders of EC type examination certificates are required to comply with the production control requirements defined in Article 8 of directive 94 9 EC 17 3 This product shall be uniquely marked with the label identified in sectio ofthis ificate Date 17 January 2007 Sita eitific tion Service This certificate and its schedules may only be Rake Lane Eccleston Chester 9JN England reproduced in its entirety and without change 44 0 1244 670900 Page 2 of 2 Fax 44 0 1244 681330 ST amp C Chester Form 9225 Issue 4 Email info siracertification com Web www siracertification com 40 Operating Manual XTRO N ICS Specialists for intrinsically safe amp explosion proof equipment EC Declaration of Conformity Extronics Ltd Meridian House Roe street Congleton CW12 1PG UK Declare under sole responsibility that the product iGAS100 ATEX Certified Gas Detector 1 2GD Ex d IIC T6 Ex tD A21 IP68 T85 C
12. without the necessary specialist knowledge and training could compromise the performance of the gas detector The operator does have access to zero the unit and check or change the alarm levels This feature is password protected Passwords are entered as follows 5 3 5 Entering the USER password With the display indicating 903 The display will indicate PASS The display will now hold the magnetic pointer over remove the pointer when this is indicate all zero s The the Fn area displayed first zero will be flashing The 903 is expecting a Mm 222 gt password M 27 1 5 fi 5 1 4 i Jj n r 5 y ff e 5 T p rs 4 PU 254 2 ar Bring the magnetic pointer over Hold the magnetic pointer the Fn area and the digit will Over the Fn area Each digit Increment In turn will flash Increment the display to read 1 2 E gt NN A When all digits are T imr ff 00 ii 00 3 flashing remove the _ a pointer The display wil 211 NN 20 now alter to indicate the 74 2224 USER menu see next section 17 5 3 6 Users Menu USER MENU After entering the pass code for the user menu the display will sequence through the menu Zero AL1 AL1 Level AL2 AL2 L
13. Certification To which this declaration relates is in accordance with the provision of the following directives 94 9 EC Equipment and protective systems intended for use in potentially explosive atmospheres 89 336 EC CE Marking for Electromagnetic Compatibility Directive amended by 93 68 EEC 72 23 EC Low Voltage Directive amended by 93 68 EEC And is in conformity with the following standards or other nominative documents BS EN 61000 6 2 1999 Electromagnetic compatibility EMC Generic standards General standards Immunity for industrial environments BS EN 61000 6 4 2001 Electromagnetic compatibility EMC Generic standards Emission standard for industrial environments EN60079 0 2006 Electrical apparatus for potentially explosive atmospheres General requirements EN60079 1 2004 Electrical apparatus for explosive gas atmospheres Flameproof Incl corr 1 enclosures d EN61241 0 2006 Electrical apparatus for use in the presence of combustible dust General requirements EN61241 1 2004 Electrical apparatus for use in the presence of combustible dust Protection by enclosures tD Signed Date 16 11 07 Nick Saunders Technical Service Manager Extronics Ltd Meridian House Roe Street Congleton CW12 1PG 44 0 1260 297274 44 0 1260 297280 E info extronics com Web www extronics com Incorporated in England and Wales Registration No 3076287 41 11 Manual Revision Initial Release 16 01
14. The highest alarm level that has been Cis la oe exceeded will flash d off O n th e L E D LN p Ev lt display 7 gt a The iGAS100 is fitted with a function button which is activated using a magnetic a pointer provided with the system By following the V instructions in this manual Dr d jj the menu system can be Pd 22 accessed to set alarm levels 202 722 D 7 type eA bet 88 Use the magnetic pointer once to mute the alarm The SIL silence function In this instance note that the outputs stay in the alarm state as does the display select RES or RESET function to reset the alarm Note if the hazard is still present the alarms will be re activated Note that the system may be configured to act as a simple 4 20mA device in which case indicated alarm levels will be disabled 16 5 3 4 Editing and Display Options As supplied and installed the iGAS100 will be programmed for the following 1 The Target Gas For instance Methane Propane Butane Carbon Monoxide Nitric Oxide etc 2 The levels which once exceeded will results alarm outputs AL1 and AL2 being activated 3 The range over which the sensor is to operate It will not normally be necessary for a user to need to change any of these parameters To attempt to change any of the parameters
15. brane and when it is exposed to a target gas a reaction on the surface occurs causing a current to flow in the cell The current flow is proportional to the amount of gas present The concentration is 8 expressed either as a percentage by volume or alternatively in parts per million ppm Fuel cell technology is generally used for the measurement of inorganic compounds such as oxygen hydrogen sulphide hydrogen chloride chlorine etc 4 Junction Box types The iGAS100 series of gas detector solutions can be used with 4 different junction box configurations which allow flexibility when deploying gas detection solutions 4 1 81 The JB1 configuration is a basic Exd junction box which has a set of screw terminals to connect directly to the gas detector This type junction box can be with Toxic and Infrared gas detectors The output from each of these gas detectors is a regular 4 20mA signal DANGER The 4 20mA signal is NOT intrinsically safe Never connect the output of the sensor to an intrinsically safe source without the use of a safety barrier 4 2 JB2 The JB2 configuration is a junction box with an added digitally addressable PCB this configuration can only be used in conjunction with the iGAS700 controller 4 3 JB3 The JB3 configuration is a junction box with an added local display and a 4 20mA output This type of junction box can be used as a standalone sensor or as part of a larger system The JB 3 solution has t
16. chapter provide information on the following e Danger Warning o Possible hazard to life or health e Caution o Possible damage to property e Important o Possible damage to enclosure device or associated equipment e Information o Notes on the optimum use of the device Important Ensure that the cable is used which suits the environment in which the iGAS100 is installed Important housing must be grounded to a minimum 20A ground Important If the iGAS100 is to be used in a hazardous area ensure the certification marks on the side of the main housing match the zones certification requirements In such cases do not operate the iGAS100 without the cover correctly screwed in place Important iGAS100 must be supplied a suitable fuse or circuit breaker 3 Gas Detector Types 31 Pellistor Technology The pellistor or catalytic gas detector is based upon the whetstone bridge circuit A current passes through the bridge and heats the circuit to a specific temperature One of the resistors imbedded in a glass bead 15 exposed to the sample or target gas in the detector housing and located behind a scintered metal flame arrestor Upon being exposed to the target gas a change in the surface temperature of the bead occurs as the target gas is oxidised causing a change in the beads resistance creating an electrical imbalance in the bridge circuit The measured electrical change is proportional to the concentration of targ
17. elow to gain access to the system calibration and set up functions With the display indicating hold the magnetic pointer over he Fn area a ror v pa ES Bring the magnetic pointer over the Fn area and the digit will increment Increment the display to read 2 The display will indicate PASS remove the pointer when this is displayed aa SN 0 PASS 9 The display will now indicate all zero s The first zero will be flashing The iGAS100 is expecting a password peces WN 2 n E N i jj NSE s mcum 56 When all digits are flashing Hold the magnetic pointer over the Fn area Each digit in turn will flash 20 Fehararenegadeanse remove the pointer The display will now cycle through the available options select to initiate zero Select to initiate a calibration Select to zero 4 201 loop O P Select to calibrate 20mA loop O P Select to force 4 2C loop O P Calibrate Pellistor head current Select to set up initial zero offset Select to set up initial system gain Select to display diagnostics Select to return to normal operation 5 4 Zero and Calibration Zero and Calibration In common with most measuring devices gas detection equipment requires regular calibration if it is to operate correctly Gas detectors are usually calibra
18. erial Number 102 xxxxx 2002 IP66 Notified body ISO reference number SIDE 1 Notified body reference number for ISO 9000 2000 Operating Manual NOTE TOXIC GAS DETECTOR HOUSING ENGRAVING DETAIL ONLY POWER DISSIPATION LIMITED TO 2W Note Serial Number Consists Of 102 Product Type xxxx First 4 digits sequential Number xx Last Two Digits Month 2002 Year Of Manufacture SIDE 2 NOT OPEN WHEN AN TMOSPHE RE EXPLOSIVE A Note Serial Number Consists Of MK3orB Product XXXX First 4 digits sequential Number Last Two Digits Month 2003 Year Of Manufacture 34 Tak 44 081244 80255589 48 01264 882359 e com 12 Page 1012 Gerbficate Q7 ATES Epsilon EC Type Examination Certificate Certificate Number EPSILON 07 ATEX 728856 100 ALES House Conglelon IPG This eduipenaend and amy acceptable variation thereto ane specified In ie schedules bo ine and ihe documents T arein referred ba Epsdon Notified Body number 1712 m accondamos wilh Arche 9 ol the Council chrecty SAEC of 23 March 1994 certifies that this equipment or protective been found comply with the Essential and Safety Requirments relaling design and constraction of equiprman and profeciive system Tor use in potential explosive atmospheres gran
19. et gas A gas detector must generally be calibrated with the target gas in air at a known concentration Pellistor technology has a proven historic background stretching back many decades and is one of the commonest and least costly forms of monitoring flammable gas leaks Pellistors can be calibrated for the measurement of non organic gases such as hydrogen and carbon monoxide The Pellistor normally expresses the measured value as a percentage of the Lower Explosive Limit of the gas LEL 3 2 Infra Red Technology Infra Red technology is based upon emitted energy absorption by the target gas An infra red source located behind a scintered metal flame arrestor emits pulsed Infra Red energy When the sensor is exposed to the target gas the gas absorbs energy The measured difference between the emitted energy and the remaining energy is proportional to the concentration of the target gas This value can be expressed as a percentage of the Lower Explosive Limit of the gas LEL or alternatively as a percentage by volume of a mixture Infra red energy is not absorbed by all gases for example molecules which are diatomic of the same element such as hydrogen H2 Chlorine 12 Oxygen O2 do not absorb Infra Red radiation hence they cannot be measured using this technology 3 3 Toxsin Technology Fuel Cell Toxsin Cell Technology is based on a fuel cell which in essence Is a battery A fuel cell is located behind a semi permeable mem
20. evel and End Use the magnet to select the desired action Select to ZERO and the sequence of options Reading Zero End will be displayed End returns you to the main menu options without doing anything Selecting either the reading or Zero and the iGAS100 will perform a zero The display then shows the Zeroed reading and the End option Select either of these options to return to the main menu Select AL1 or AL1 Level to move into the edit mode for alarm level 1 set point Follow the previously described method to alter the set point to the desired level The End option then returns you to the main menu options Select AL2 or AL2 Level to move into the edit mode for alarm level 2 set point Follow the previously described method to alter the set point to the desired level The End option then returns you to the main menu options The end option returns the iGAS100 to Normal Operation 18 5 3 7 Fault Conditions The iGAS100 can detect and report faults which may develop with the sensor 5 3 8 Over or Under Range Indication If the gas being sensed exceeds the range of the sensor fitted to the iGAS100 by more than 5 of the sensors range then this is indicated by the display indicated below When the gas concentration is back in range the iGAS100 reverts to normal operation EIN This indicates Gas over range Jf gt
21. he alarm relay option fitted 4 4 JB4 The JB4 configuration is identical as the JB3 configuration without the Alarm Relay outputs 4 5 JB5 The JB5 configuration is identical to the JB4 with the addition of the digitally addressable PCB this configuration can be used in conjunction with the iGAS700 controller 10 5 Installation 5 1 Customer sealing and earthing responsibilities The iGAS100 range is designed for use in Zone 1 and Zone 2 hazardous areas and is ATEX certified To maintain compliance it is imperative the installer of the equipment observes the following installation guidelines Failure to do so could compromise the protection concept of the equipment All Cable entries are M20x1 5mm Parallel glands and blanking plugs should have O Ring seals or sealing washers to maintain IP66 rating use Atex rated glands and blanking plugs EXTERNAL EARTH TERMINAL Taper glands and blanking plugs should use suitable thread _ On final assembly the cover screw sealant to maintain IP66 rating must be locked in place typical LOCTITE 577 use Atex Use 2mm Allen Key rated glands and blanking plugs Gas detectors are supplied with sealing washers These must be fitted to meet approval requirements 511 Earthing requirements External Earth The External Earth should either be cabled in 4mm2 Stranded cable or 6 0mm2 Solid cable Internal Ea
22. ication Service notified body number 0518 in accordance with Article 9 of Directive 94 9 EC of 23 March 1994 certifies that this equipment has been found to comply with the Essential Health and Safety Requirements relating to the design and construction of equipment intended for use in potentially explosive atmospheres given in Annex II to the Directive The examination and test results are recorded in confidential report number R51A15846A 9 Compliance with the Essential Health and Safety Requirements with the exception of those listed in the schedule to this certificate has been assured by compliance with the following documents EN 50014 1997 amendments 1 amp A2 EN 50018 2000 EN 50281 1 1 1998 10 If the sign xX is placed after the certificate number it indicates that the equipment is subject to special conditions for safe use specified in the schedule to this certificate 1 This type examination certificate relates only to the design and construction of the specified equipment If applicable further requirements of this Directive apply to the manufacture and supply of this equipment 12 The marking of the equipment shall include the following 6 1260 EEx T6 Project Number 51815846 C Ellaby 4 Date 12 January 2007 Certification Officer C Index Sira Certification Service sira CERTIFICATION This certificate and its schedules may only be reproduced in its entirety and without change Page 1 of 2
23. in Annex bo the The examination and 1651 t corded in confidential RETS AUISEEMAH 2 13 8 M Comp ancs with the applicable Ezsantia Hearth ard Safety Requirements has been assured by EN amp 2 6079 0 2008 EN 61241 2008 EM amp 0079 T 20X inci carr 1 EN 81241 1 2004 If the sign X 15 placed after number dicates That The eguipmernt 15 subped secl l or ge use spacifusd an the schedobe bo this certificada Exarniralion Certificate relates only to the design and tests of he specihied equipment ar protecitve in to the Further requarermerts of ihe directive apply to ther manatacturimg process and supply of thes equipement or protective system Thess nal covered by ihe certificate The marking of the equipenernit meluda the follewing 1 2 GD Ex d T6 Ex tD A21 IP68 TASC Er 0 Dale 06 November 2007 5 Care Cin ctor Thi certificate may only be ceproduned m itr and without amy charpe schedule inchuded The certificate ia ony vali wien 1 caries an orignal ard hologeapesc sscoriy labes Fort help ac relating b contact com Epsilon Compliance Services Limited o fading acne of maHa Techn a Services Leseteit CH 600 Tet 44 011244 882550 44 Weir O
24. ion com 38 N 10 11 12 Project Number 51 15846 Date C Index 14 sira CERTIFICATION EC TYPE EXAMINATION CERTIFICATE Equipment intended for use in Potentially Explosive Atmospheres Directive 94 9 EC Sira 06ATEX1366X TOCSIN 102 Series Enclosure Extronics Limited Meridian House Roe street Congleton Cheshire CW12 1PG UK This equipment and any acceptable variation thereto is specified in the schedule to this certificate and the documents therein referred to Sira Certification Service notified body number 0518 in accordance with Article 9 of Directive 94 9 EC of 23 March 1994 certifies that this equipment has been found to comply with the Essential Health and Safety Requirements relating to the design and construction of equipment intended for use in potentially explosive atmospheres given in Annex II to the Directive Certificate Number Equipment Applicant Address The examination and test results are recorded in confidential report number R51A15846A Compliance with the Essential Health and Safety Requirements with the exception of those listed in the schedule to this certificate has been assured by compliance with the following documents EN 50014 1997 amendments A1 amp A2 EN 50018 2000 EN 50281 1 1 1998 If the sign X is placed after the certificate number it indicates that the equipment is subject to special conditions for safe use specified in the schedule to this cer
25. n Gas Adaptor possible this is a permanent fitment in hard to reach locations Gas flow Regulators Introduction Tubing again possibly permanent fitment in hard to reach locations e Calibration Stickers to indicate date of calibration next due date and certificate number In principle the sequence of events are as follows 1 2 3 Inhibit the control panel during calibration so the act of introducing gas does not set off the alarm This will vary from system to system Fit the calibration gas adaptor to the sensor if this is not a permanent fitment Flow zero gas for the recommended period for the detector and note the reading Note that many gas detectors will Zero clamp the reading Flow Calibration gas for the recommended period for the detector and note the reading Re introduce zero gas for the recommended period for the detector and follow the manufacturers procedure to zero the detector Re introduce calibration gas for the recommended period for the detector and follow the manufacturers instructions to calibrate the detector Observe and record the detector reading whilst flowing calibration gas Update the calibration status stickers on the detector 5 4 2 Calibration Requirements Zero and Calibration Gas should be applied accordingly 1 Pressure 800 to 1100mB with standard calibration 2 Flow rate 1 1 5 litres min With process off Calibration Gas to be used should be advised based u
26. not designed to be subjected to excessive stresses e g vibration heat impact Additional protection is required to protect against these external stresses The iGAS100 will require additional protection if it is installed in a location where it may be subjected to damage 30 7 Technical Data Toxic Loop Powered Infrared 903 250mA 24VDC Certification Number Certification Type Dimensions IP Rating Ambient Temperature Weight Operating Humidity Range Operating Voltage Repeatability Zero Drift Response Time Cable Entries Enclosure Material Sensor Material Pellistor 4 20mA 150mA EPSILON 07 ATEX 2286X II 2G Ex d IIC T6 II 2GD Ex d IIC T6 Ex tD A21 IP68 T859C 145 x 208 x mm IP68 209C to 50 C Typically 1 5 kg 5 60 RH Electo Chem 0 95 Non Condensing 24VDC or Loop Powered Sensor Dependant Sensor Dependant Sensor Dependant 2 x M20x1 5mm Epoxy Coated Aluminium Alloy 316 Stainless Steel 31 8 Type Codes 1GAS100 Hazardous Area Gas Sensors 1GAS100 1 2 3 Specify Option 1 Sensor Type Toxic T Infrared R Pellistor P Specify Option 2 Junction Box Type Exd Junction Box with 4 20mA Output Only Not Suitable for Standalone Pellistor JB1 Exd Junction Box with Digitally Addressable JB2 Exd Junction Box With Display 4 20mA Output and Local Alarm Relays JB3 Exd Junction Box With Local Display and 4 20mA Output JB4 Exd Junction Box With Digitally Addressable and
27. pe Dorm Operating Manual 011244 882599 13 Schedule 14 15 Page 2 af 2 The made up of a component cerifisd enclosure thal has an ATEX approved gas delector fied ho it niii ebd dli ta The enclosure has Three entries one of which is ved to fit a gas detector Tine ancios threaded with the option of a window being fitted PUN A CANC amoung erdries bo Ehia enciosune hane E Requirements not cover by section Covered manufacturer s instnicliona The mariutacturer shaf inform the notified body of amy rmodficabona 10 The design of mne product desorbed by Eis schedule 07 22865 EN Tey eche dule Far help of aesztanece relating tha certificata contact cedfbeeadonex com Compliance Series m a trang name of Epalion Techr cal Services Lavded 36 1 EC TYPE EXAMINATION CERTIFICATE 2 Equipment intended for use in Potentially Explosive Atmospheres Directive 94 9 EC 3 Certificate Number Sira O6ATEX1368X a Equipment MK3 Gas Detector Head 5 Applicant Extronics Limited 6 Address Meridian House Roe street Congleton Cheshire CW12 1PG UK 7 This equipment and any acceptable variation thereto is specified in the schedule to this certificate and the documents therein referred to 8 Sira Certif
28. pon application Please contact Extronics for further assistance 22 5 4 3 Example of Required Calibration Equipment Fixed Flow Regulator Detector to be Calibrated Gas Adaptor P N4011101 Note This adaptor fits all iGAS Detectors Calibration Gas Bottle When using note the following Do not use past the expiry date indicated Do not use below the recommended minimum fill pressure Always check the concentration is that required Check the bottle accuracy ideally no worse than 3 absolute Check and observe any COSH instructions for safe handling 23 5 5 Selecting to Zero The iGAS100 Select to initiate zero When opting to zero flow appropriate zero gas first and observe the zero condition When stable select ZERO from the password protected menus enter 200 first The iGAS100 will zero as soon as the option is selected Continue to flow zero gas until the detector indicates the cycle is complete and observe the result The ZERO Sequence Select to ZERO and the sequence of options Reading Zero End will be displayed End returns you to the main menu options without doing anything Selecting either the reading or Zero and the iGAS100 will perform a zero The display then shows the zeroed reading and the End option Select either of these options to return to the main menu 24 5 6 Selecting to Calibrate the iGAS100 abort the process END at this stage aborts without
29. r JB 2 MKS Pellistors 14 5 3 Basic Operation of JB 3 4 and as 15 5 3 1 BaSe ci ep Pere 15 5 3 2 Powering on the System pp 15 5 3 3 What to do if the alarm operates pp 16 53 4 Editing and Display ODEOFS eorr NE sure 17 5 3 5 X Entering the USER pasSswWorgd pp 17 oe MU ui 18 9 97 asd 19 5 3 8 Over or Under Range 19 5 3 9 Password Protected Menus pp 20 54A 2604 EEAO ESENTE 21 5 4 1 Equipment for Calibration and Methodology 22 5 4 2 Calibration 22 5 4 3 Example of Required Calibration Equipment 23 55 Selecting to Zero The 100 24 5 6 Selecting to Calibrate the 5100 25 o Intended Purpose erae nde bunten bas ds 29 6t Transportation and bero ee 29 5 2 Authorzed POLS sce she e i che 29 6 3 learning ce EMO ILE Ge Ed 29 0 4 Precalllolis muss dcs 30 65 Cleaning and Maintenance Intervals pp 30 6 6 Aggressive substances and 15 30 6 7 Exposure to external stresses pp 30 Bri 31
30. rth The Internal Earth should either be cabled in 1 5mm3 Stranded cable or 2 5mm Solid Cable Warning Glands and cables must be suitable for the zone of application 5 2 Termination details 5 2 1 JB1 Terminations Fitting Service and Maintenence Typical Control Card Fitting Service and Maintenence Typical Control Cad Connections Connections 0V DC Check Supply Voltage And Load Resistance Vth Card Manufacturers Instructions Check Supply Voltage And Load Resistance With Card Manufacturer Instructions Note The iGAS100 Must Be Earthed if necessary fit a brass earthing tab washer between the locknut and housing to bond to Ensure the junction box cable and glands carry the appropriate certification for the area in which they are fitted Cable screens should be earthed atthe control panel end and the bond checked to be 0 50hms Note The iGAS100 Must Be Earthed if necessary fit a brass earthing tab washer between the locknut and housing to bond to Ensure the Fit Fibre junction box cable and glands carry the Washer 00 NOT OPEN WHEN AN ATMO SPHERE MAY PRESENT cote Wu 212114 42 12 Pee 12 1 1 B II xo a0 ATE te ti Nem De 102 1102 00 appropriate certification for the area in which they are fitted Cable screens should be earthed 0 100 at the control panel end and the bond checked to be 0 50hms Do not 1000 Allo
31. subsequent damage resulting from such inadmissible use The user bears the sole risk in such cases 6 1 Transportation and Storage All iGAS100 devices must be so transported and stored that they are not subjected to any excessive mechanical stresses 6 2 Authorized Persons Only persons trained for the purpose are authorized to handle the iGAS100 they must be familiar with the unit and must be aware of the regulation and provisions required for explosion protection as well as the relevant accident prevention regulations 6 3 Cleaning and Maintenance The iGAS100 and all its components require no maintenance and are self monitoring All work on the iGAS100 by personnel who are not expressly qualified for such activities will cause the Ex approval and the guarantee to become void 6 4 Safety Precautions Important For the installation maintenance and cleaning of the units it is absolutely necessary to observe the applicable regulations and provisions concerned with explosion protection EN 50014 EN 60079 14 2003 as well as the Accident Prevention Regulations 6 5 Cleaning and Maintenance Intervals The cleaning intervals depend on the environment where the system is installed 6 6 Aggressive substances and environments The iGAS100 is not designed come into contact with aggressive substances or environments please be aware that additional protection may be required 6 7 Exposure to external stresses The iGAS100 is
32. ted using either a synthetic air mixture or Nitrogen depending on the detector to obtain a zero point and a known gas concentration to obtain a calibration point Usually bottled calibration gas is used to calibrate the detectors In some cases this is either not practical or simply not desirable due to the nature of the gas In such cases electrochemical gas generators can be used or ampules of solution mixed on the spot in a known volume In some cases Chlorine detectors being a good example an amount of atmospheric moisture Rh is required for the detector to function correctly In such cases bottled gas is of no use and a gas generator must be employed The frequency of calibration is governed mainly by two factors the type of detector and the environment it is located in Calibration records should be kept for gas detection equipment and should indicate in particular the state of calibration of the detector both before and after calibration Examination of such records over time can then be used to determine if a detector in a given environment is capable of maintaining calibration for the chosen period If not then consideration should be given to either reducing the interval between calibrations or choosing an alternative detection technology 21 5 4 1 Equipment for Calibration and Methodology A gas detector calibration kit will normally include e Zero Gas Bottle or Air Pump Scrubber e Calibration Gas or Gas Generator e Calibratio
33. tes a glass window 102 Optical Assembly and the other a sintered element 102 Gas Detector Assembly Both the glass window and sintered element are cemented in position Devweld 531 The window is also fitted with a backing ring and circlip The rear of the body incorporates a cemented Araldite CW1404 GB HY1456 GB bushing assembly This allows the passage of permanently connected cable from inside to outside the enclosure The permanently connected cable will be terminated in a suitably selected and certified enclosure 14 DESCRIPTIVE DOCUMENTS 14 1 Drawing Issue Sheet Date Sira Stamp Title 3449703 1 1 of 1 22 Nov 06 1102 Engraving Detail EXTRONICS 14 2 number 51 15846 14 3 Certificate number Sira 02ATEX1271X dated 14 March 2003 15 SPECIAL CONDITIONS FOR SAFE USE denoted by X after the certificate number 15 1 free end of the permanently connected cable shall be protected in accordance with EN 50014 1997 Clause 14 1 15 2 In accordance with EN 50018 2000 clause 13 4 2 the rear end of bushing shall be protected by fitting it into a suitably certified enclosure In addition the bushing must not be subject to torque during installation 15 3 The product shall not be connected to portable equipment 15 4 The product that is fitted with a window has only been subjected to reduced risk impact tests in accordance with EN 50014 1997 clause 23 4 3 1 therefore it shall not be mounted in an area where there is a
34. tificate This EC type examination certificate relates only to the design and construction of the specified equipment If applicable further requirements of this Directive apply to the manufacture and supply of this equipment The marking of the equipment shall include the following 1260 EEx d IIC T6 C Ellaby 4 17 2007 Certification Officer Sira Certification Service This certificate and its schedules may only be reproduced in its entirety and without change Page 1 of 2 ST amp C Chester Form 9225 Issue 4 39 Rake Lane Eccleston Chester 9 England Tel 44 0 1244 670900 Fax 44 0 1244 681330 Email info amp siracertification com Web www siracertificalion com sira CERTIFICATION SCHEDULE EC TYPE EXAMINATION CERTIFICATE Sira 06ATEX1366X 13 DESCRIPTION OF EQUIPMENT The TOCSIN 102 Series Enclosure can be used to form either TOCSIN 102 Optical Assembly maximum power dissipation 6 W this unit utilises a glass window insert and is fitted with an optical unit e g camera TOCSIN 102 Gas Detector Assembly maximum power dissipation 2 W this unit utilises a sintered element insert and is fitted with a gas sensor The TOCSIN 102 Hazardous Area CCTV Camera Module consists of stainless steel body and insert These two items are retained by a circlip and connected by a threaded flamepath Whilst the body is a generic item there are two types of insert one incorpora
35. wable Do not 1000 Allowable overtighten R Ohms a overtighten R Ohms Operating the iGAS int 5 Region gt into the iGAS into 200 the junction vots the junction Ee eee box housing box housing E There are no user serviceable components There are no user serviceable components Inside the iGAS100 Inside the iGAS100 Do not connect to portable equipment Do not connect to portable equipment 12 5 2 2 Termination Details JB2 iGAS100 Sensors Host control panel terminations 24V DC Signal Typical 220 Ohms GND DO NOT OPEN WHEN AN EXPLOSIVE ATMOSPHERE MAY BE PRESENT PELLISTOR QW PCB EEx d T6 Rating 55 Host control panel 0518 0 100 terminations Ex 260 24V Signal 220 Ohms GND DO NOT OPEN WHEN AN EXPLOSIVE ATMOSPHERE MAY BE PRESENT PELLISTOR EEx d T6 Rating 6W 0518 0 100 12 60 PP 13 5 2 3 Termination details for JB 2 Pellistors Host control panel terminations 24V DC Signal Typical 220 Ohms GND RELAY PCB PELLISTOR and Type B Pellistors 14 5 3 Basic Operation of JB 3 4 and 5 Before attempting to operate the iGAS100 single channel gas detectors ensure that the installation ad calibration instructions have been followed 5 3 1 Basic Layout A calibration label
36. will be fitted to the side of the unit This label will indicate when the system is next due for calibration Regular calibration usually 6 months is vital for correct operation The gas being monitored by the IGAS100 will be indicated in this area along with the units of measure 6888 The Function button is used to 8858 cancel alarms or access the internal software function and System set up 5 3 2 Powering on the system After ensuring correct installation of the iGAS100 the unit may be switched on When first switched on the iGAS100 will first display 1903 then its software version sensor type range address and then commence a 300 second count down timer This allows the sensor to stabilise before operation During this time the analyser alarm outputs are off and the 4 20mAoutput 15 fixed at 4mA At the end of the count down the unit will indicate either 903 a continuously updating gas concentration depending which mode of operation has been selected 5 3 3 What to do if the alarm operates The iGAS100 JB3 JB4 are fitted with a number of interfaces which may be connected to other systems in the location that the gas detector is being used For instance the iGAS100 could be set up to cut off the mains gas supply to a boiler in the event of a gas leak or it could be set up to activate alarms external to the unit in the event of a toxic gas leak Whatever interfaces are connected the following will happen as a minimum
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