G450 Field Operation Manual
Contents
1. GfG Instrumentation Inc 1194 Oak Valley Dr Suite 20 Ann Arbor MI 48108 USA US Canada 800 959 0329 US Canada Fax 734 769 1888 International 1 734 769 0573 International Fax 1 734 769 1888 Website www gfg inc com GG GfG Instrumentation Worldwide Manufacturer of Gas Detection Solutions 7004 451 Rev 2 10 30 132. tecteur a moins que des instructions pour que la proc dure se trouvent dans le manuel et ou la partie est r pertori comme une piece de rechange AWARNING Electromagnetic interference EMI signals may cause incorrect operation of this detector AAVERTISSEMENT interf rence des signaux lectromagn tiques EMI peut entra ner un mauvais fonctionnement de ce d tecteur Sensor Specifications MK376 5 Electrochemical sensor for oxygen O Response time t50 lt 10 sec t90 lt 20 sec max 0 2Vol or Pressure 800 1200 hPa 42 594 of range referred to 1000 hPa Es a 5 max 0 2Vol or Humidity 0 90 r h 2 5 of range referred to 50 r F 0 Temperature 20 50 C nia io vel eek referred to 20 C 2 5 of display Expected lifetime 3 years in air MK344 5 6 Electrochemical sensor for carbon monoxide CO Response time t50 lt 15 sec t90 lt 45 sec max 3ppm or 7 of Pressure 800 1200 hPa referred to 1000 hPa display O Humidity 15 90 r h max 3PPM or 7 Of referred to 50 r F display 0 Temperature 10 40 C ate met referred to 20 C display 0 Temperature 20 50 C max Tappmior EIS ot referred to 20 C display Cross C2H4 lt 100 C2H2 lt 90 CI2 lt 40 H2 lt 30 sensitivities NO lt 30 NO2 lt 30 H2S 0 S02 0 NH3 0 C2H60 0 1 Expected lifetime 3 years
3. MK429 5 6 Electrochemical sensor for hydrogen sulfide H S Response time t50 lt 15 sec t90 lt 45 sec 0 Pressure 800 1200 hPa Max 2ppm or 10 of referred to 1000 hPa display PE 9 Flumidity 15 90 r h Max 2ppm or 10 OF referred to 50 r h display A 0 Temperature 10 40 C max SPM OnE 10 eal referred to 20 C display o Temperature 20 50 C max tappion 19701 referred to 20 C display Cross SO2 2096 NO2 lt 20 CO lt 1 NO lt 0 2 sensitivities H2 lt 0 1 1 Expected lifetime 3 years MK211 6 Catalytic combustion sensor for combustible gases and vapors Response time t90 lt 30 sec Pressure 950 1100 hPa a or referred to 1000 hPa Humidity 5 90 r h HERO A a OF referred to 55 r h Temperature 20 50 C ror ae a Of referred to 20 C Cross sensitivities at 50 LEL 2 00Vol Yo H2 approx 160 0 70Vol C4H10 approx 72 2 20Vol Yo CH4 100 0 70Vol C5H12 approx 71 0 85Vol C3H8 approx 85 0 50Vol CEH14 approx 55 The above information refers to the detection range for methane It may vary from sensor to sensor and depends on the gas concentration and on the age of the sensor Expected lifetime 3 years Accessories and Replacement Parts Battery pack alkaline without batteries with vibrator Hydrogen Sulfide H S
4. be operated as specified in this manual otherwise the instrument s protection may be diminished Please refer to ISA RP12 13 Part lI 1987 for guidance in use of this instrument Warnings AWARNING Never substitute any component as this may compromise the G450s intrinsic safety AAVERTISSEMENT Ne jamais remplacer les composants car cela pourrait compromettre la s curit intrinsegue du G460 AWARNING For safety reasons this equipment must be operated and serviced by qualified personnel only Read and understand the instruction manual completely before operating or servicing the G450 AVERTISSEMENT Pour des raisons de s curit cet quipement doit tre utilis et entretenu par du personnel qualifi Lire et comprendre le manuel d utilisation avant de faire fonctionner ou de r parer cet appareil AWARNING Instrument should be calibrated before first time use and then on a regular basis Length of interval will depend on frequency of use and contaminants and or poisons being exposed to the sensors AVERTISSEMENT talonner le d tecteur avant la premi re utilisation puis intervalles r guliers en fonction de l utilisation et de l exposition du capteur aux poisons et des contaminants AWARNING If the combustible sensor may be exposed to a known poison silicon sulfur halogenated compounds etc GfG recommends checking it against a known concentration of calibration gas before use AVERTISSEMENT Si le capteur de
5. gaz combustible peut tre expos a un poison connu silicium le soufre les compos s halog n s etc GfG recommande de verifier contre une concentration connue de gaz d talonnage avant utilisation Design ak el SJ a Hook for carrying strap Alarm LEDs Screw connectors for pump Display 6 Pushbuttons S 8 Contacts for accessories O 9 Battery pack screws S Display Description Clock Flashlight indicator Battery charge level indicator Alarm Status backlight Green No alarms Orange Alarm 1 Red Alarm 2 or 3 Gas Readings Push Button Description 1 Activate Peak Hold to turn on optional flashlight Reset latching alarm Hold to enter service mode View one gas at a time or STEL TWA Press to turn on monitor when off Hold to turn off monitor approximately 5 seconds Enter calibration mode Battery Installation Batteries must not be replaced in hazardous locations Replace only in non hazardous locations Piles ne doivent pas tre remplac s dans des endroits dangereux Remplacez uniquement dans des endroits non dangereux Turn the detector off before you replace the batteries To replace the batteries or battery pack unscrew the two screws on the front of the detector and pull the whole pack backwards or insert the allen wrench through one of the screw holes to push the pack backwards When the alkaline batteries have to be replaced use the allen wrench to push
6. A AVERTISSEMENT Pour des raisons de s curit cet quipement doit tre utilis et entretenu par du personnel qualifi Lire et comprendre le manuel d utilisation avant de faire fonctionner ou de r parer cet appareil AWARNING Do not use the detector if it is damaged Before you use the detector inspect the case Look for cracks or missing parts A AVERTISSEMENT Ne pas utiliser le d tecteur s il est endommag Avant d utiliser le d tecteur inspectez le cas de fissures ou de pi ces manquantes AWARNING If the detector is damaged or something is missing contact GfG Instrumentation Inc immediately AAVERTISSEMENT Si le d tecteur est endommag ou qu il manque quelque chose contactez GfG Instrumentation Inc imm diatement AWARNING Calibrate the detector before first time use and then on a regular schedule depending on use and sensor exposure to poisons and contaminants AAVERTISSEMENT etalonner le d tecteur avant la premiere utilisation puis a intervalles r guliers en fonction de l utilisation et de l exposition du capteur aux poisons et des contaminants AWARNING GfG recommends that you bump test the sensors before each use to confirm their ability to respond to gas To do this expose the detector to a gas concentration that exceeds the alarm set points Manually verify that the audible and visual alarms are activated Calibrate if the readings are not within the specified limits AAVERTISSEMENT GfG vous recommande
7. G450 Multi gas Detector Field Operation Manual ALEL los 55PM 18 8 Q ra g 8 amn dim en GfG Instrumentation 1194 Oak Valley Dr Ste 20 Ann Arbor MI 48108 USA 800 959 0329 734 769 0573 www gfg inc com Warranty GfG Instrumentation warrants our products to be free from defects in material and workmanship when used for their intended purpose and agrees to remedy such defect or to furnish a new part at the option of GfG Instrumentation in exchange for any part of any product we manufacture that under normal use is found to be defective provided that the product is returned by the purchaser to GfG s factory intact for our examination with all transportation costs prepaid and provided that such examinations reveals in our judgment that it is defective This warranty does not extend to any products that have been subjected to misuse neglect accident or unauthorized modifications nor does it extend to products used contrary to the instructions furnished by us or to products that have been repaired or altered outside of our factory or by a non authorized service center No agent or reseller of GfG Instrumentation may alter the above statement This warranty is expressly in lieu of any and all other warranties and representations express or implied including but not limited to the warranty of fitness for a particular purpose GfG will not be liable for loss or damage of any kind connected to the use o
8. de test cogner les capteurs avant chaque utilisation afin de confirmer leur capacit a r pondre a gaz Pour ce faire exposer le d tecteur a une concentration de gaz qui d passe les points de consigne d alarme V rifier manuellement que les alarmes sonores et visuelles sont activ es Calibrer si les lectures ne sont pas dans les limites sp cifi es AWARNING It is recommended that the combustible sensor be checked with a known concentration of calibration gas after any known exposure to catalyst contaminants poisons sulfur compounds silicon vapors halogenated compounds etc A AVERTISSEMENT est recommand que le capteur de gaz inflammables tre v rifi avec une concentration connue de gaz d talonnage apr s une exposition connue catalyseur contaminants poisons compos s soufr s des vapeurs de silicium compos s halog n s etc AWARNING The combustible sensor is factory calibrated to 50 LEL methane If monitoring a different combustible gas in the LEL range calibrate the sensor using the appropriate gas AAVERTISSEMENT Le capteur de gaz combustible est calibr en usine 50 LIE m thane Si le suivi d un autre gaz combustible dans la gamme de LEL talonner le capteur en utilisant le gaz appropri AWARNING High off scale readings may indicate an explosive concentration AVERTISSEMENT Haute lectures hors chelle peut indiquer une concentration explosive AWARNING Only the combustible gas detect
9. f its products or failure of its products to function or operate properly The G450 has a limited lifetime warranty to the original purchaser as long as the instrument is in service Accessories battery packs and chargers sampling pumps and other components which by their design are consumed or depleted during normal operation or which may require periodic replacement are warranted for one year from the date of purchase O LEL CO and H S sensors are covered for 3 years from date of purchase Introduction The purpose of this manual is to provide day to day basic information for the G450 Please refer to the accompanying CD ROM to access the complete user s manual The G450 is a handheld detector for personal protection from gas hazards The instrument measures continuously in diffusion mode and gives visual and audible alarms if a gas induced danger arises The G450 is a safety device and it is up to the user to ensure proper action is taken in the event of an alarm The following signal words as defined by ANSI Z535 4 1998 are used in this guide indicates an imminently hazardous situation which if not avoided will result in death or serious injury AWARNING indicates a potentially hazardous situation which if not avoided could result in death or serious injury ACAUTION indicates a potentially hazardous situation which if not avoided may result in moderate or minor injury Safety Information The G450 must only
10. imite sup rieure de l chelle ce qui peut tre dangereux AWARNING Extended exposure of the G450 to certain concentrations of combustible gases and air may stress detector elements which can seriously affect the device s performance If an alarm occurs due to a high concentration of combustible gases recalibration should be performed or if needed the sensor replaced AAVERTISSEMENT Une exposition prolong e de la G460 certaines concentrations de gaz combustibles et d air peut souligner l ments d tecteurs qui peuvent s rieusement affecter les performances de l appareil Si une alarme se produit en raison d une forte concentration en gaz combustibles l talonnage doit tre effectu ou en cas de besoin le capteur remplac AWARNING Do not test the combustible sensor s response with a butane cigarette lighter doing so can damage the sensor A AVERTISSEMENT Ne pas tester la r ponse des capteurs combustible avec un briquet au butane cela peut endommager le capteur AWARNING Do not expose the detector to electrical shock and or severe continuous mechanical shock AAVERTISSEMENT Ne pas exposer le d tecteur de choc lectrique et ou s v re choc m canique continue AWARNING Do not attempt to disassemble adjust or service the detector unless instructions for that procedure are contained in the manual and or that part is listed as a replacement part A AVERTISSEMENT N essayez pas de d monter modifier ou r parer le d
11. ion portion of this instrument has been assessed for performance by CSA International AAVERTISSEMENT Seule la partie de d tection de gaz combustible de cet instrument a t valu e pour la performance par CSA International AWARNING Protect the combustible sensor from exposure to lead compounds silicones and chlorinated hydrocarbons Although certain organic vapors such as leaded gasoline and halogenated hydrocarbons may temporarily inhibit sensor performance in most cases the sensor will recover after calibration AAVERTISSEMENT Prot gez le capteur de gaz combustible partir de l exposition au plomb compos s silicones et des hydrocarbures chlor s Bien que certaines vapeurs organiques comme l essence au plomb et les hydrocarbures halog n s peuvent inhiber temporairement les performances du capteur dans la plupart des cas le capteur va r cup rer apr s calibration AWARNING For use only in hazardous locations where oxygen concentrations do not exceed 20 9 volume v v AAVERTISSEMENT A utiliser uniquement dans des endroits dangereux ou les concentrations d oxyg ne ne d passe pas 20 9 en volume v v AWARNING Any rapidly increasing reading followed by a declining or erratic reading may indicate a gas concentration beyond the upper scale limit which may be hazardous AAVERTISSEMENT Toute lecture augmente rapidement suivie par une lecture diminution ou irr guli re peut indiquer une concentration de gaz au dela de la l
12. low the instrument to count down 6 The display will show an hourglass icon by each sensor while it is being adjusted then a check mark when the adjustment is complete 7 Make sure to remove the calibration adapter before using the instrument to detect gas Sensors may initially fail the Fresh Air or Gas Calibration adjustment It is usually worthwhile to repeat the failed procedure at least once 1 Make sure that the sensors especially the combustible sensor have had a chance to warm up completely before beginning the Fresh Air or Cal Gas adjustment Five minutes is usually sufficient 2 Before making a Fresh Air adjustment make sure that the calibration adapter and tubing do not contain trapped calibration gas 3 Make sure the air used for the Fresh Air adjustment does not contain measurable contaminants such as solvent vapors cigarette smoke or engine exhaust 4 Make sure that the calibration gas cylinder has not run out of gas 5 Make sure the calibration gas cylinder tubing and adapter are properly connected to the instrument 6 If the sensor still fails calibration consult the GfG factory for additional advice 7 Any sensor that fails to calibrate properly must be replaced before using the instrument Alarms If the measured gas concentration exceeds a pre set threshold the monitor will give audible and visual alarms An instantaneous alarm is activated immediately if the gas concentration exceeds or fal
13. ls below a pre set threshold The alarm values are adjustable Oxygen Combustibles Toxic gases Instantaneous Value AL The short term exposure limit STEL is the average concentration over a short period of time e g 15 minutes The STEL alarm is not latching it resets automatically as soon as the concentration falls below the threshold Short Term Value STEL oO 0886 Under Range All The screen will display The screen will display Note To avoid possible personal injury do not turn off the detector during a work shift TWA STEL and Max readings are reset when the G450 is turned off The time weighted average TWA refers to an 8 hour shift and Long Term Torib cases 1 calculates the average Value TWA 9 concentration The TWA alarm cannot be reset It is only de activated if the detector is switched off If the detection range of the LEL sensor is exceeded the display will read AAA indicating it is over range instead of a value for gas concentrations above 110 LEL To protect the sensor from damage the device turns off the sensor However the audible and visual alarms and the AAA message remain active The alarms must be reset by pushing the key The display will read Fresh air If you have made sure that there is no combustible gas in the vicinity of the CH sensor press yes to resume detection Service Service consists of the maintenance inspection and re
14. ny alarm condition is activated Self test Initiated upon start up Calibration Manual or automatic User options Location ID User ID Confidence blip audible alarm levels 103 dB 95 dB or off display contrast time next inspection date language selection adjustable alarm levels disable vibrating alarm latching alarm 2 sensor deactivation security code combustible sensor 0 100 LEL or 0 5 vol set span values autosave and datalogging mode and interval Battery operating time Up to 25 hours Approved batteries GfG NiMH rechargeable battery pack or Duracell MN1500 LR6 Battery charger GfG cradle or smart cap charger Charge up to 6 hours Warranty Limited lifetime on instrument and electronics 3 yrs from date of purchase for O LEL CO and H S sensors Approvals cCSAus G Approved Class I Division 1 Group A B C and D Class Zone 0 Ex ia IIC T3 Standards ATEX II 2G EEx ia d IIC T3 T4 CSA C22 2 No 152 M1984 UL 913 ANSI ISA 12 13 01 2000 EMI RFI resistance EMC directive 89 336 EEC Caution AWARNING Never substitute any components as this may compromise the G450s intrinsic safety AAVERTISSEMENT Ne jamais remplacer les composants car cela pourrait compromettre la s curit intrinsegue du G450 AWARNING For safety reasons this equipment must be operated and serviced by qualified personnel only Read and understand the user manual completely before operating or servicing this device
15. pair of the gas monitoring device A function test should be performed before each day s use e Status of the zeropoint e Charging status of the battery e Pump and diffusion inlet e Display with zero gas and standard test gas and adjustment if necessary e Alarm signal release e g with alarm test gas e Constantly amplified signal with standard test gas e Response time Any repair of the G450 must be done according to the manufacturer s instructions and with genuine parts Troubleshooting Symptom Solution 7 Check charge battery No gas response Check replace sensor see complete user manual Alarms in clean fresh air Perform autozero Specification Dimensions 2 95x4 33x2 17 in 75x110x55 mm Weight 10 oz 280 g with O LEL CO H S sensors Climate conditions Temperature 4 to 122 F 20 to 50 C Humidity 5 to 95 r h non condensing Pressure 700 to 1300 hPa Detection Range Please refer to complete operating manual Sensor Types and Detection Ranges Sensor type Please refer to complete operating manual Sensor Types and Detection Ranges Alarm Conditions Alarm 1 Alarm 2 Alarm 3 TWA STEL battery confidence blip Vibrating alarm standard Audible alarm 103 dB at 30 cm 1 foot Display Illuminated LCD full graphic display Visual alarm Bright 360 wraparound LEDs plus heterochromatic green orange red backlight display Backlight Automatic when a button is pressed or a
16. the two battery cells out through the PCB holes When inserting new batteries check for the correct polarity see plastic holder Use only size AA batteries Duracell MN1500 LR6 Secure the supply module by replacing the two screws NOTE Failure to use Duracell AA batteries will void the warranty Utilisez uniquement des piles AA Duracell MN 1500 LR6 Maintenance and Inspection Maintenance includes service calibration and adjustment as well as repair if it is necessary Gas monitoring devices can react differently depending on environmental conditions It is important independent from maintenance duties to test the device before putting it into operation each day Bump testing before each use is highly recommended The casing can be cleaned with a damp cloth Never use solvents or detergents Calibration Procedure Calibration is a two step procedure The first step is the Fresh Air AutoCal adjustment In this step the readings of the sensors are automatically adjusted to equal the values expected in fresh air 20 9 O 0 LEL combustible gas and 0 PPM parts per million for toxic sensors such as CO and H S To perform a Fresh Air AutoCal adjustment 1 Make sure the instrument is located in a fresh air environment 20 9 oxygen and no measurable flammable or toxic contaminants Turn the instrument on and allow the readings to stabilize fully Attach the calibration adapter to the instrument The instrument will au
17. tomatically recognize that the adapter is attached and display the AutoCal menu screen 5 Push the Air button to initiate the Fresh Air adjustment 6 The instrument will automatically count down then begin the adjustment process 7 The display will list the sensors installed and show a checkmark by each sensor as the adjustment is completed 8 After completing the fresh air adjustment the instrument will return to normal operation 9 Make sure to remove the calibration adapter before using the instrument to detect gas AON The second step in a full calibration is the AutoCal Gas adjustment In this step the sensitivity of the sensors is automatically adjusted while the sensors are exposed to known concentration calibration gas Asingle cylinder of all in one Quad Mix calibration gas may be used to automatically calibrate CO H S and LEL sensors all at the same time To initiate AutoCal Gas calibration using all in one Quad Mix calibration gas 1 Make sure the instrument has been properly Fresh Air adjusted before proceeding to the Gas calibration 2 Attach the calibration adapter to the instrument If the adapter is already attached momentarily remove and replace the adapter to display the AutoCal menu screen 3 Turn the regulator on to begin flowing calibration gas to the sensors and press Gas 4 You will be prompted to verify that gas has been applied Press Yes to continue 5 Al
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