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4-2

PROBES

FIRST RESPONDER CG - USER HANDBOOK

Semiconductor Sensor (EXT) Probe

Part No. 

Description

42200 

Semiconductor Sensor (Flexi) Probe  

 Assembly.
42220 

Dust Cap

42169 

Carry Pouch - Flexi Probe (not shown)

Semiconductor

Sensor Probe

8-Pin DIN Plug

Fig. 4-2  Instrument / Semiconductor Sensor  

(Flexi) Probe 

For a comprehensive list of accessories supplied with the 

instrument, and additional accessories available, see Section 

7  ACCESSORIES.
For examples of various probe applications, see Appendix 

C  APPLICATIONS.

Summary of Contents for First Responder CG

Page 1: ...First Responder CG User Handbook ...

Page 2: ...mments on all our publications Your comments can be of great value in helping us to improve our customer publications Please send any comments that you have to our Customer Support Department at Teledyne GMI Copyright Teledyne Gas Measurement Instruments Ltd 2021 ...

Page 3: ...e may be operational differences between the latest product and this manual This Handbook is an important part of the First Responder CG product Please note the following points It should be kept with the instrument for the life of the product Amendments should be attached This Handbook should be passed on to any subsequent owner user of the instrument Although every care is taken in the preparati...

Page 4: ...nments are known or suspected it is recommended that more frequent response checks are carried out The chemical compounds that can cause loss of sensitivity include Silicones Lead Halogens and Sulphur Do not use instrument in potentially hazardous atmospheres containing greater than 21 Oxygen The enclosure material is polypropylene and must not be exposed to environments which are liable to result...

Page 5: ...F USE ii STORAGE HANDLING AND TRANSIT ii INTRODUCTION 1 1 GENERAL INFORMATION 2 1 Ranges of Operation 2 1 EXT Range External Semiconductor Sensor 0 10 000 ppm Flammable TRAC mode only 2 1 PPM 0 4500 ppm CGI mode only 2 2 LEL 0 100 CGI and CSM modes only 2 3 Volume Gas 0 100 CGI CSM and PURGE modes only 2 4 ...

Page 6: ...7 Alarms in TRAC Mode 2 8 Datalogging 2 8 Automatic Datalogging 2 8 Manual Datalogging 2 9 Construction 2 9 Batteries 2 10 Alkaline LR20 Batteries 2 10 Filters 2 10 Probe Handle Assembly Part No 12481 2 10 Semiconductor Sensor Flexi Probe Assembly Part No 42200 2 11 Semiconductor Survey Bellows Probe Assembly Part No 42444 2 11 Probe Handle Assembly Part No 13561 2 11 Liquid Crystal Display LCD 2 ...

Page 7: ... 3 4 Notes on CGI mode 3 5 Summary of CGI Button Operation 3 5 CSM mode 3 6 Switching ON in CSM Mode 3 6 Calibration Date Features 3 7 Switching OFF 3 8 Changing Gas Range 3 8 Manual Datalog 3 8 Acknowledge Alarms 3 8 Notes on CSM mode 3 9 Summary of CSM Button Operation 3 9 PURGE mode 3 10 Switching ON in PURGE Mode 3 10 Calibration Date Features 3 11 Switching OFF 3 12 Changing Gas Range 3 12 ...

Page 8: ...Features 3 16 Switching OFF 3 16 Changing Gas Range 3 16 Zero EXT Range 3 16 Manual Datalog 3 16 Notes on TRAC mode 3 17 Summary of TRAC Button Operation 3 17 Switching Modes 3 18 Connection of Probe 3 18 Operator Messages Fault Flags 3 20 PROBES 4 1 Standard Probe and Handle Assembly 4 1 Semiconductor Sensor EXT Probe 4 2 Semiconductor EXT Survey Probe Optional 4 3 Swan Neck Probe Bellows Probe O...

Page 9: ... Survey Bellows Probe Assembly Option Part No 42444 5 6 Probe Handle Assembly Option Part No 13561 5 9 Flue Probe Coalescing Filter Assembly Accessory Part No 42215 5 12 CALIBRATION 6 1 Calibration Validity 6 2 ACCESSORIES 7 1 ADDITIONAL INFORMATION 8 1 Training 8 1 World Wide Web 8 1 TYPICAL OPERATING PARAMETERS A 1 Size A 2 Weight A 2 Operating Temperature A 2 Humidity A 2 Construction A 2 ...

Page 10: ...ing FCM B 3 Zeroing the Instrument B 4 Field Calibration Procedure B 5 Quitting FCM B 8 Quit and Save Changes B 8 Quit Without Saving Changes B 8 APPLICATIONS C 1 Plastic Solid End Probe C 1 Semiconductor Sensor Flexi Probe C 3 Semiconductor Survey Bellows Probe C 6 Bellows Probe C 8 Swan Neck Probe C 9 Stainless Steel Flue Probe C 11 INDEX I ...

Page 11: ... gas for leak detection and general safety monitoring The First Responder also features a Carbon Monoxide CO range a Hydrogen Sulphide H2S range and Oxygen O2 for internal atmosphere monitoring where odour call response is required The First Responder CG also features a Parts Per Million PPM range to increase sensitivity to smaller leaks This is achieved using the external EXT semiconductor sensor...

Page 12: ... and Geiger indications on the EXT flammable range The First Responder CG includes the following ranges 0 to 4 500 ppm to 20 LEL flammable EXT Range External Semiconductor Sensor 0 to 100 LEL 0 to 100 Volume Gas 0 to 1000 ppm Carbon Monoxide 0 to 100 ppm Hydrogen Sulphide 0 to 25 Oxygen TheFirstResponderCGhasavarietyofuserconfigurable options This handbook details the default configuration with po...

Page 13: ... of the instrument are Rugged polypropylene case sealed to IP54 rating and suitable for outdoor use Four button operation allowing the user access to all features LCD with backlighting which displays the current gas readings in both digital and analogue forms together with operational and status information Audible and visual alarms with alarm levels pre set Automatic datalogging Directly interfac...

Page 14: ...1 4 FIRST RESPONDER CG USER HANDBOOK ...

Page 15: ...e is selected EXT for external is displayed in the top right corner of the LCD A Geiger alarm provides assurance that the instrument is sensing for gas without the need for the operator to constantly view the display When the instrument is switched on the visual Geiger indication is operational To activate the audible Geiger indication press Button Four Each single press of Button Four will toggle...

Page 16: ...s to stabilise For methane when the measurement exceeds 4500 ppm the instrument autoranges to LEL When the PPM range is selected PPM is displayed in the top right corner of the LCD From 0 to 1000 ppm the digital display resolves to 5 ppm From 1000 to 4500 ppm the digital display resolves to 50 ppm The analogue bar graph follows in 200 ppm steps An example of the PPM display is shown in Figure 2 2 ...

Page 17: ...5 Volume methane in Air Above 100 LEL the instrument autoranges to Volume Gas When the LEL range is selected LEL is displayed in the top right corner of the LCD From 0 to 10 LEL the digital display resolves to 0 1 LEL From 10 to 100 LEL the digital display resolves to 1 LEL The analogue bar graph follows in 4 steps An example of the LEL display is shown in Figure 2 3 The detection principle for th...

Page 18: ...nge is a catalytic reaction combined with thermal conductivity Fig 2 4 Volume Gas Range Carbon Monoxide 0 1000 ppm CSM mode only This range displays the parts per million ppm Carbon Monoxide content up to 999 ppm When the Carbon Monoxide range is selected CO is displayed in the top right corner of the LCD The digital display resolves to 1 ppm CO The analogue bar graph follows in 40 ppm steps Above...

Page 19: ...olves to 1 ppm H2S The analogue bar graph follows in 4 ppm steps Above 100 ppm EEEE is displayed Figure 2 6 illustrates the Hydrogen Sulphide display The Hydrogen Sulphide sensor is subject to the effect of pressure transients and should be operated at normal atmospheric pressure conditions The sensor has a normal operating life of two years Fig 2 6 Hydrogen Sulphide Range ...

Page 20: ... right corner of the LCD The digital display resolves the signal to 0 1 O2 from 0 to 21 and 1 O2 from 21 to 25 The analogue bar graph follows in 4 steps Figure 2 7 illustrates the Oxygen display The gas level is determined using an electrochemical cell which like toxic sensors is sensitive to pressure transients The oxygen cell has an expected life of two years Fig 2 7 Oxygen Range ...

Page 21: ...ents for the country industry in which the unit is being used Alarms in CSM Mode In this mode the alarms will be activated when HiHi alarm if LEL gas reading exceeds 20 Hi alarm if O2 gas reading exceeds 23 5 Lo alarm if O2 gas reading is less than 19 5 Hi alarm if CO gas reading exceeds 25ppm LTEL CO alarm 25ppm Hi alarm if H2S gas reading exceeds 10ppm STEL H2S alarm 15ppm LTEL H2S alarm 10ppm O...

Page 22: ...ms will be re activated Alarms can be configured so they cannot be acknowledged This forces the instrument to continually display the alarming range Alarms in TRAC Mode By default both the audible and visual alarms are disabled An option is available to have a Geiger style alarm in the EXT range This means that as the gas concentration increases both the sounder and the red LED pulse at an increas...

Page 23: ...the pump is running Construction The instrument is housed in a tough impact resistant moulded case made of polypropylene The top panel is protected by a stainless steel top plate covering a toughened glass LCD cover The battery cover is attached to the main instrument body by means of two stainless steel hexagonal screws The instrument is sealed against dust and water to IP54 standard The instrume...

Page 24: ...to 2 hours of operating time remain at normal temperature The instrument may still be used but eventually the BAT FAULT alarm flag will be displayed shortly after which the instrument will switch off automatically Filters Probe Handle Assembly Part No 12481 Anumber of different filter types are available from Teledyne GMI The minimum requirement is a cotton particulate filter and a hydrophobic fil...

Page 25: ... is available from Teledyne GMI A Water Filter assembly is available as an accessory for use with this probe Filters should be checked periodically and where appropriate changed to ensure a clean sample path Any filter which has been contaminated must be cleaned or replaced See Filter Replacement in Section 5 OPERATOR MAINTENANCE Probe Handle Assembly Part No 13561 A Water or Dust Filter Assembly ...

Page 26: ...ient light conditions Before Use Checks The following checks should be carried out before using the instrument on site The instrument is clean and in good condition The batteries have sufficient power left in them for the intended use of the instrument The filters are clean and in good condition The sample line and any accessories are in good condition and leak free Semiconductor Sensor Flexi Prob...

Page 27: ... backlit LCD screen incorporating the analogue bar graph a visual alarm LED and an infrared communication port FIRST RESPONDER CG GMI TRAC PURGE CSM CGI PUMP ZERO LOG OFF ALM ACK RANGE Backlit LCD Screen Infrared Communications Port Visual Alarm LED Analogue Bar Graph Button Panel MUTE Fig 3 1 Instrument Front Plate ...

Page 28: ...URGE CSM CGI Fig 3 2 Button Panel Button function is dependent on the operating mode of the instrument The First Responder CG has four operating modes CGI CSM PURGE and TRAC each accessed by switching the instrument ON with buttons 1 2 3 and 4 respectively CGI mode Combustible Gas Indicator In this mode the instrument operates as a gas indicator drawing a sample via a probe from points where gas i...

Page 29: ...ressing and holding Button 1 turns the instrument ON in CGI mode and switches ON the pump This initiates the instrument s warm up cycle an example of which is shown in Figure 3 3 user to block the inlet for PASS Pump Test Fig 3 3 CGI Warm up ...

Page 30: ...erdue the instrument will automatically switch OFF The pre set re calibration interval is 30 days This period can be altered as an option however you should ensure that the instrument is always within its calibration period prior to use Switching OFF A double press of Button 1 switches the instrument OFF Switching Pump OFF ON A single press of Button 1 switches the instrument pump OFF A further pr...

Page 31: ...ump can be switched OFF Manual datalogging is enabled Summary of CGI Button Operation CGI Single Press Double Press Press and Hold Button 1 Button 2 Button 3 Button 4 Toggles Pump OFF ON Switch OFF Instrument Switch ON Instrument Manual Log TRAC PURGE CSM CGI Zero All ranges Figure 3 5 CGI Button Operation ...

Page 32: ...posed and generates alarms for low high Oxygen high LEL high Carbon Monoxide and high Hydrogen Sulphide gas When an alarm is activated the instrument display will automatically change to the alarming range Switching ON in CSM Mode Pressing and holding Button 2 turns the instrument ON in CSM mode and switches ON the pump This initiates the instrument s warm up cycle an example of which is shown in ...

Page 33: ...he inlet for PASS Pump Test Fig 3 6 CSM Warm up Note STEL and LTEL alarms not illustrated Calibration Date Features At the end of warm up and before the First Responder CG is ready for measuring the instrument will indicate on the ...

Page 34: ...d ensure that the instrument is always within its calibration period prior to use Switching OFF A double press of Button 1 switches the instrument OFF Changing Gas Range Each single press of Button 2 changes the range selected The display cycles through the ranges in the order LEL Vol GAS O2 CO H2S LEL Vol GAS etc Manual Datalog Manual datalogging is enabled in this mode To perform a manual datalo...

Page 35: ...tching and can be acknowledged Audible and Visual confidence signal is enabled The pump cannot be switched OFF Automatic and manual datalogging is enabled Automatic datalog every 60 seconds Summary of CSM Button Operation e g n a R t x e N CSM Single Press Double Press Press and Hold Button 1 Button 2 Button 3 Button 4 Switch OFF Instrument Switch ON Instrument Manual Log TRAC PURGE CSM CGI Acknow...

Page 36: ...s and measures Volume Methane and Oxygen only There are no alarms or confidence signal in this mode Switching ON in PURGE Mode Pressing and holding Button 3 turns the instrument ON in PURGE mode and switches ON the pump This initiates the instrument s warm up cycle an example of which is shown in Figure 3 9 ...

Page 37: ...p Test Fig 3 9 PURGE Warm up Calibration Date Features At the end of warm up and before the First Responder CG is ready for measuring the instrument will indicate on the display how many days remain until calibration is required as shown in Figure 3 10 ...

Page 38: ...Switching OFF A double press of Button 1 switches the instrument OFF Changing Gas Range Each single press of Button 2 changes the range selected The display changes the range from Vol GAS O2 Vol GAS etc Display will alternate between gas range and PUR Switching Pump OFF ON A single press of Button 1 switches the instrument pump OFF A further press of Button 1 switches the pump ON again Zero Vol Ga...

Page 39: ...ygen ranges PUR Purge alternates in the range window The pump can be switched OFF There are no alarms or confidence signal in this mode Automatic and manual datalogging is enabled Automatic datalog every 60 seconds Summary of PURGE Button Operation PURGE Single Press Double Press Press and Hold Button 1 Button 2 Button 3 Button 4 Switch OFF Instrument Toggle Pump OFF ON Next Range Zero Vol Gas Ran...

Page 40: ...a semiconductor sensor for near instantaneous response to enable rapid leak detection of PPM Methane in small fittings Switching ON in TRAC Mode Pressing and holding Button 4 turns the instrument ON in TRAC mode This initiates the instrument s warm up cycle an example of which is shown in Figure 3 12 ...

Page 41: ...p Test Fig 3 12 TRAC Warm up Calibration Date Features At the end of warm up and before the First Responder CG is ready for measuring the instrument will indicate on the display how many days remain until calibration is required as shown in Figure 3 13 ...

Page 42: ... ensure that the instrument is always within its calibration period prior to use Switching OFF A double press of Button 1 switches the instrument OFF Changing Gas Range Not applicable Only the EXT range is available in TRAC mode Zero EXT Range The EXT range can be manually zeroed To zero a single press of Button 3 is required and should be carried out in fresh air Manual Datalog Manual datalogging...

Page 43: ...ton 4 Display will alternate EXT and Aud Automatic datalogging is disabled Manual datalogging is enabled The pump cannot be switched ON Summary of TRAC Button Operation TRAC Single Press Double Press Press and Hold Button 1 Button 2 Button 3 Button 4 Switch OFF Instrument Geiger Audible Toggle Manual Zero Manual Log Switch ON Instrument TRAC PURGE CSM CGI Figure 3 14 TRAC Button Operation ...

Page 44: ... Fig 3 15 press the button which corresponds to the mode required The instrument will now switch to the selected mode Fig 3 15 Instrument Switching OFF Connection of Probe The First Responder CG instrument is equipped to accept two standard probe input types CGI CSM and Purge modes Only A Standard Probe and Handle assembly which is connected to the instrument via sample line inlet Fig 3 16 Standar...

Page 45: ...ument connector plug Probe Sensor Flexible Probe Fig 3 17 Semiconductor Sensor Flexi Probe An optional Semiconductor Survey Bellows Probe is also available that provides fast response gas detection This is connected to the instrument via both an 8 Pin Plug and sample line inlet 8 Pin Instrument Connector Plug Probe Sensor Sample Line Fig 3 18 Semiconductor Survey Bellows Probe ...

Page 46: ...on Operator Messages Fault Flags Various messages can appear on the LCD screen to indicate instrument status SAMPLE This indicates that the pump is running and the instrument is sampling OFF This indicates that the instrument is about to switch off This command can be cancelled by a single press of any button FAULT When in TRAC mode EXT range this message is displayed if the Semiconductor Sensor P...

Page 47: ... blocked water ingress a blocked filter or pump failure The pump will switch off The sample path should be checked and Button One pressed to clear sample fault and re start the pump CHECK ZERO This indicates that there may have been a zero shift due to the presence of gas Switch off the instrument and switch ...

Page 48: ...3 22 FIRST RESPONDER CG USER HANDBOOK ...

Page 49: ... following probes and associated accessories Standard Probe and Handle Assembly Part No Description 12393 31ins 80cm Plastic Probe Solid End 12481 Probe Handle Assembly incl filters 12712 Clear Sample Line x 4ft 10ins 1 5 Metres approx Fig 4 1 Instrument Standard Probe 4 ...

Page 50: ...ust Cap 42169 Carry Pouch Flexi Probe not shown Semiconductor Sensor Probe 8 Pin DIN Plug Fig 4 2 Instrument Semiconductor Sensor Flexi Probe For a comprehensive list of accessories supplied with the instrument and additional accessories available see Section 7 ACCESSORIES For examples of various probe applications see Appendix C APPLICATIONS ...

Page 51: ... Assembly 8 Pin DIN Plug Water Filter Assembly Semiconductor Survey Probe c w Dust Filter Sample Line Fig 4 3 Instrument Semiconductor Survey Bellows Probe For a comprehensive list of accessories supplied with the instrument and additional accessories available see Section 7 ACCESSORIES For examples of various probe applications see Appendix C APPLICATIONS ...

Page 52: ...daptor 42184 Dust Filter Assembly 42183 Water Filter Assembly Bellows Probe Swan Neck Probe Probe Adaptor Filter Assembly Probe Handle Assembly connects to instrument inlet Fig 4 4 Bellows Swan Neck Probes For a comprehensive list of accessories supplied with the instrument and additional accessories available see Section 7 ACCESSORIES For examples of various probe applications see Appendix C APPL...

Page 53: ... four batteries should be replaced at any one time and in a safe area Teledyne GMI only recommend the use of Energizer or Duracell cells 1 Using the Hex Driver supplied GMI Part No 12451 loosen the two instrument base screws Fig 5 1 Loosen Instrument Base Screws 5 ...

Page 54: ...r damage to spring contacts or corrosion on springs Caution Under no circumstances should rechargeable batteries be substituted for alkaline 5 Insert four new batteries observing correct polarity indication in battery compartment base 6 Replace battery cover and fasten base screws 7 Check that the instrument switches on and works to specification ...

Page 55: ...be switched on without suitable filters installed If a blockage occurs the SAMPLE FAULT indicator is displayed Check the sample line and probe handle for blockage Press Button 1 to clear the SAMPLE FAULT message Replace the filter s if the message does not clear To replace the filter s proceed as follows 1 Unscrew the probe handle assembly Hydrophobic Filter Cotton Particulate Filter Probe Handle ...

Page 56: ...he hydrophobic filter The yellow label on the filter fits against the yellow label on the probe handle 7 Reassemble the probe handle assembly Semiconductor Sensor Flexi Probe Assembly Part No 42200 The yellow plastic end cap when removed provides access to a filter disc A replacement filter disc is available as an accessory Caution The probe should never be used without suitable filters installed ...

Page 57: ...ter Replacement 2 Using the hex driver GMI Part No 12451 or similar push the old filter out from the front end of the cap 3 Fit a new filter disc in the end cap then use the hex driver or similar flat ended instrument to make sure that the filter is correctly seated in the end cap internal recess Note Care must be taken not to damage the filter 4 The end cap is a push fit on the probe detector cap...

Page 58: ...ssory Replace the probe sealing washer if it shows signs of damage or wear Probe Sealing Washer Fig 5 6 Semiconductor Survey Bellows Probe Filter Assembly Caution The instrument should never be switched on without suitable filters installed If a blockage occurs the SAMPLE FAULT indicator is displayed Check the sample line and filter assembly for blockage Press Button 1 to clear the SAMPLE FAULT me...

Page 59: ... as follows 1 Unscrew the filter assembly Fig 5 7 Dust Filter Dust Filter Housing Assembly Probe Washer Fig 5 7 Dust Filter Assembly 2 Remove Dust Filter then discard 3 Check Filter assembly Probe Washer for signs of damage or wear and replace if necessary 4 Fit new Dust Filter 5 Reassemble the Filter assembly ...

Page 60: ...using Assembly Hydrophobic Filter Assembly Probe Washer Fig 5 8 Water Filter Assembly 2 Remove Hydrophobic Filter then discard 3 Check Filter assembly Probe Washer for signs of damage or wear and replace if necessary 4 Fit new Hydrophobic Filter Note The filter should be installed with the yellow label on the filter facing the yellow label on the housing flange 5 Reassemble the Filter assembly ...

Page 61: ...f water and or dust ingress Fig 5 9 Probe Handle and In line Filter Assembly Caution The instrument should never be switched on without suitable filters installed If a blockage occurs the SAMPLE FAULT indicator is displayed Check the sample line and filter assembly for blockage Press Button 1 to clear the SAMPLE FAULT message Replace the filter if the message does not clear ...

Page 62: ... 1 Unscrew the filter housing assembly Figure 5 10 Probe Sealing Washer Dust Filter Probe Washer Dust Filter Housing Assembly Fig 5 10 Dust Filter Assembly 2 Remove Dust Filter then discard 3 Check Probe Washer and Probe Sealing Washer for signs of damage or wear and replace if necessary 4 Fit new Dust Filter 5 Reassemble the Filter Housing assembly ...

Page 63: ... Probe Sealing Washer yellow label Hydrophobic Filter Probe Washer Fig 5 11 Water Filter Assembly 2 Remove Hydrophobic Filter then discard 3 Check Probe Washer and Probe Sealing Washer for signs of damage or wear and replace if necessary 4 Fit new Hydrophobic Filter Note The filter should be installed with the yellow label on the filter facing the yellow label on the housing flange 5 Reassemble th...

Page 64: ... a blockage occurs the SAMPLE FAULT indicator is displayed Check the sample line probe handle and coalescing filter assembly for blockage Press Button 1 to clear the SAMPLE FAULT message Replace the filter s if the message does not clear To replace the filter proceed as follows 1 Carefully unscrew the bowl from the filter housing and empty any water which may have collected Fig 5 12 Coalescing Fil...

Page 65: ...E 3 Using a dry cloth clean the bowl housing and spindle to make sure that they are free from dirt and water 4 Fit a new coalescing filter to the spindle then replace in filter housing 5 Replace the bowl and tighten to secure ...

Page 66: ...5 14 FIRST RESPONDER CG USER HANDBOOK ...

Page 67: ...et allows full automatic calibration Field Calibration Refer to APPENDIX B FIELD CALIBRATION for further details The GMI Instrument Management System IMS provides all the facilities of the GDUnet with the added feature of instrument database management Manual Calibration The instrument can be linked to a PC running GMI Manual Calibration software Note The calibration systems above hardware and sof...

Page 68: ...ected This is no guarantee however as the precise application of the product is unknown to Teledyne GMI Individual codes of practice may dictate shorter periods Regular checking establishes a pattern of reliability and enables the calibration check period to be modified in line with operational experience The higher the risk the more frequently calibration should be checked ...

Page 69: ...Probe c w Filter Disc 42220 Dust Cap Instrument Flexi Probe Connection 12481 Probe Handle c w Filters 12393 31ins 80cm Plastic Probe Solid End 10077 Cotton Particulate Filters Box of 10 x 2 12712 Clear Sample Line x 4ft 10ins 1 5 metres approx 42942 User Handbook 42943 Quick Operating Instructions Optional Accessories Available Part Number Description 42169 Carry Pouch use with 42200 42197 Filter ...

Page 70: ...ine to Handle 13427 14ins 35cm Open End Plastic Probe 13413 Small Stainless Steel Flue Probe Open End use with 12481 42215 Coalescing Filter Assembly use with 13413 75174 Coalescing Filter use with 42215 12358 Hydrophobic Filter use with 12481 42183 or 42416 42388 Dust Filter Box of 20 use with 42184 or 42444 12379 Probe Sealing Washer use with 42183 42184 42444 or 42416 42235 Probe Washer use wit...

Page 71: ...NFORMATION Training Training Courses are available on all GMI products Contact GMI Marketing Department for further details Tel 44 0 141 812 3211 e mail gmi_sales teledyne com Website www teledynegasandflamedetection com ...

Page 72: ...8 2 FIRST RESPONDER CG USER HANDBOOK ...

Page 73: ...1 0 5 2 1 LEL 10 100 1 Volume 0 5 0 1 2 1 1 Gas Gas 5 100 1 Carbon 0 1000 ppm 1 ppm 15 ppm 15 ppm 5 reading Monoxide Hydrogen 0 100 ppm 1 ppm 2 ppm 2 ppm 10 reading Sulphide Oxygen 0 21 0 1 0 5 0 5 3 reading 21 25 1 N A 0 5 3 reading Notes All the values above are at normal temperature and pressure Humidity is between 0 and 95 RH non condensing Pressure changes at the inlet and exhaust are minimis...

Page 74: ...lay LCD containing Analogue display scaled 0 10 0 100 0 1000 or 0 10000 4 digit digital display 3 character range indication Operational flags Sampling System Standard Probe and Handle assembly connected to instrument with sample line and uses instrument integral pump with flow fail sensor The sample path is protected by the hydrophobic filter and automatic pump switch off or Semiconductor Sensor ...

Page 75: ...ample line and uses instrument integral pump with flow fail sensor The sample path is protected by a dust or hydrophobic filter and automatic pump switch off Power Source 4 D size LR20 alkaline cells providing approximately 18 hours runtime 12 hours runtime with external semiconductor sensor probe connected at 68 o F 20 o C ...

Page 76: ...A 4 FIRST RESPONDER CG USER HANDBOOK ...

Page 77: ...ipment Other calibration procedures require the use of the Teledyne GMI Manual Calibration software or the Workshop System In Field Calibration Mode FCM the buttons perform the functions indicated in Figure B 1 Button 1 Button 2 Button 3 Button 4 single press double press symbols key press hold TRAC PURGE CSM CGI Fig B 1 Button Functions ...

Page 78: ...e and can be placed over the top face of the instrument to identify calibration button functions Contact Teledyne GMI for details Fig B 2 Instrument Overlay Card Selectable Ranges in FCM When in FCM the following ranges are manually selectable by pressing Button 2 LEL GAS O2 CO H2S LEL etc Note There is no requirement to calibrate EXT PPM range ...

Page 79: ... access code Note Allow at least one second between button presses when entering the four button sequence The default factory set entry code is button sequence 1 2 3 4 Alternative codes are user selectable When the instrument is in FCM the CAL message alternates on the display with the currently selected range An example of the display is shown in Figure B 3 Fig B 3 Field Calibration Display In CA...

Page 80: ...xt Range Button 1 Button 2 Button 3 Button 4 TRAC PURGE CSM CGI Fig B 4 FCM Button Functions Zeroing the Instrument Note There is no requirement to calibrate EXT range 1 Enter FCM See the previous section ENTERING FCM 2 Double press Button 2 to zero current gas range 3 Press Button 2 to select the next gas range 4 Repeat steps 2 and 3 until all gas ranges have been zeroed 5 Proceed to FIELD CALIBR...

Page 81: ...nning and the gas range selected is compatible with the calibration gas Note A single press of Button 1 toggles the pump OFF ON 3 Remove the cap from calibration gas cylinder Make sure that the regulator valve is in the fully closed position Off then connect the gas regulator to the gas cylinder push down gently and tighten clockwise hand tight See Figure B 5 for details Fig B 5 Connecting Gas ...

Page 82: ...se to decrease The correct flow rate is achieved when the ball in the indicator tube floats just above its resting position 6 Wait for the instrument gas reading to settle 7 If the displayed reading corresponds to the concentration of calibration gas i e 50 LEL 2 5 Methane in Air proceed to paragraph 10 8 If the displayed reading does not correspond to the concentration of calibration gas i e 50 L...

Page 83: ...de with calibration The display may jump above and below required reading momentarily as the instrument performs the calibration Note If for any reason you require to exit SPAN mode without calibration of the instrument press and hold Button 3 9 The instrument display will now return to CAL mode display as shown in Figure B 7 Fig B 7 50 LEL Display 10 Make sure that correct reading is displayed be...

Page 84: ...n the calibration gas cylinder 13 Repeat steps 1 to 12 for each range to be calibrated otherwise quit FCM See QUITTING FCM for further details Quitting FCM Quit and Save Changes 1 Press and hold Button 2 to save CAL data 2 Double press Button 1 to exit FCM Quit Without Saving Changes 1 Double press Button 1 to exit FCM Note When you exit the FCM without saving the new CAL data the old calibration ...

Page 85: ...s probe is supplied with the First Responder CG and is designed for use with barhole probing and below ground surface gas monitoring Fig C 1 Solid End Probe The solid end feature prevents blocking of the probe when detecting gas leaks in soft earth ...

Page 86: ... draw the sample into the instrument analysing chamber The probe is manufactured from a plastic material which is flexible and extremely robust The probes wall thickness provides the flexible strength to withstand bending around a 50cm radius or sustaining damage to or collapse of the sampling path if accidentally stood on by the operator Note The Sample Line Probe Handle Assembly and Filters are ...

Page 87: ...analysing chamber Fig C 2 Semiconductor Sensor Flexi Probe The probe sensor is located on the end of a flexible wand and hence is able to gain access behind gas fittings The high speed of response and the sensitivity of the Semiconductor Sensor Probe also enables initial external leakage surveys to be performed in the vicinity of both domestic and industrial properties and pipelines enabling distr...

Page 88: ...C 4 FIRST RESPONDER CG USER HANDBOOK Fig C 3 Semiconductor Sensor Flexi Probe Applications ...

Page 89: ...vailable as an accessory to provide protection during transit The Probe Sensor is protected by a removable Plastic End Cap Part No 42187 The cap incorporates a Filter Disc Part No 42197 to prevent the ingress of dust The Probe is connected to the instrument via an 8 pin DIN plug ...

Page 90: ...e diffusion probe Part No 42444 complete with filter and bellows fitting is designed to provide a near instantaneous response in detecting general survey leaks This is a pumped probe with the detector at the sampling point With the sensor at the end of the probe and the sample being drawn past it any delay in diffusion is virtually eliminated Fig C 4 Semiconductor Survey Bellows Probe ...

Page 91: ...placeable Disc to prevent the ingress of dust A Water Filter assembly Part No 42416 complete with replaceable hydrophobic filter is also available as an accessory The Probe is connected to the instrument via an 8 pin DIN plug and sample line Fig C 5 Probe Filter ...

Page 92: ... of wind and air dilution Fig C 6 Bellows Probe The Bellows Probe is of stainless steel construction housed in a flexible rubber boot It is generally used with the Probe Adaptor which connects to the Probe Handle Assembly Part No 13561 The Probe Handle incorporates a sample line Part No 12712 which is connected to the instrument and allows the pump to draw the sample into the instrument analysing ...

Page 93: ...e an in line filter A Water Filter Assembly Part No 42183 or Dust Filter Assembly Part No 42184 is available and can be fitted as an accessory if required Refer to Chapter 7 ACCESSORIES Swan Neck Probe This probe is also available as an accessory Fig C 7 Swan Neck Probe ...

Page 94: ...ace The Swan Neck Probe is of stainless steel construction and is generally used with the Probe Adaptor which connects to the Probe Handle Assembly Part No 13561 The Probe Handle incorporates a sample line which is connected to the instrument and allows the pump to draw the sample into the instrument analysing chamber Note This model of Probe Handle does not incorporate an in line filter A Water F...

Page 95: ...rt No 75174 is generally used The purpose of the filter assembly is to isolate any moisture which could affect the sample reading The flue probe and coalescing filter assembly is generally used with the Probe Handle Assembly Part No 12481 incorporating both Cotton and Hydrophobic Filters to prevent the ingress of dirt The Sample Line Part No 12712 connects the probe handle to the instrument and al...

Page 96: ...C 12 FIRST RESPONDER CG USER HANDBOOK ...

Page 97: ...ecks 2 12 Bellows Probe 2 11 4 4 C 8 Button Panel 3 2 C CALIBRATION 6 1 B 1 Calibration Date Features 3 4 3 7 3 11 3 15 Calibration Procedure B 5 Calibration Validity 6 2 Carbon Monoxide 0 1000 ppm 2 4 CGI Button Operation 3 5 CGI mode 3 2 Changing Gas Range 3 8 3 11 3 15 CHECK ZERO 3 20 Coalescing Filter 5 12 Connection of Probe 3 17 Construction 2 9 A 2 COPYRIGHT i CSM Button Operation 3 9 CSM m...

Page 98: ... 5 Filter Coalescing 5 12 Filter Dust 5 10 Filter Replacement 5 3 Filters 2 10 Filter Water 5 11 Flexi Probe 2 11 Flue Probe Coalescing Filter Assembly 5 12 G Gas A 1 GENERAL INFORMATION 2 1 H Handle Assembly Part No 13561 5 9 Handle Probe 2 10 2 11 HANDLING ii Humidity A 2 Hydrogen Sulphide 0 100 ppm 2 5 I IMS 6 1 INFORMATION ADDITIONAL 8 1 INFORMATION GENERAL 2 1 In line Dust Filter 5 10 In line...

Page 99: ...Operating Temperature A 2 OPERATION 3 1 OPERATOR MAINTENANCE 5 1 Operator Messages 3 19 Oxygen 0 25 2 6 P Panel Button 3 2 PARAMETERS A 1 Power Source A 3 PPM 0 4500 ppm 2 2 Probe and Handle Assembly 4 1 Probe Bellows 2 11 4 4 Probe Filter Replacement 5 3 Probe Flexi 2 11 Probe Flue C 11 Probe Handle Assembly Option Part No 13561 5 9 Probe Handle Assembly Part No 12481 2 10 5 3 Probe Handle Assemb...

Page 100: ...Probe Assembly 2 11 Semiconductor Sensor Flexi Probe Assembly 5 4 Semiconductor Survey Bellows Probe C 6 Semiconductor Survey Bellows Probe Assembly 2 11 5 6 Size A 2 Small Plastic Solid End Probe C 1 SOFTWARE i Source Power A 3 Stainless Steel Flue Probe C 11 STORAGE ii STORE 3 21 Summary of CGI Button Operation 3 5 Summary of CSM Button Operation 3 9 Summary of PURGE Button Operation 3 13 Summar...

Page 101: ...ning 8 1 TRANSIT ii U Underwriters Laboratories 1 2 Use Before 2 12 V Validity Calibration 6 2 Volume Gas 0 100 2 4 W Water Filter 5 8 5 11 Weight A 2 World Wide Web 8 1 Z Zero A 1 ZERO CHECK 3 20 Zero EXT Range 3 15 ZERO FAULT 3 20 Zeroing the Instrument B 4 Zero Vol Gas Range 3 12 ...

Page 102: ...VI FIRST RESPONDER CG USER HANDBOOK ...

Page 103: ......

Page 104: ...teledyne com www teledynegasandflamedetection com GMI Service Calibration Centre 25 Cochran Close Crownhill Milton Keynes MK8 0AJ Tel 44 0 1908 568 867 gmi_service teledyne com Service Sales USA 14880 Skinner Road Cypress TX 77249 USA Tel 1 713 559 9200 Fax 1 713 893 6729 detcon sales teledyne com ...

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