Operation Manual - GFG Instrumentation, Inc
Contents
1. the other 9 entries can only be edited with a PC Within 00 up to 15 characters can be entered which will be stored as IDENTIFICATION in the G450 Entry is automatically completed when the cursor reaches the end mark The entry process for user name ID is the same as that of the location entry Datalogger Within the datalogger menu point different settings can be accessed Full shows the used percentage of the datalogger memory Jump to the next parameter Deletes data A security prompt will appear delete data gt confirm with yes right key deny with no left key 24 Back to main menu If Mode is selected the instantaneous value Instant average value Average or peak value Peak can be chosen with the left or right key If interval is selected the data recording interval can be set between 1 second and 60 minutes by pressing YAY and M Datalogger sample screen shots E GfG Data Download Software File Device Edit View Options Window Help e ial mim eme fi LA erie rA Datalogger 6450 Serialno 05090039 User Date Time 6 15 2000 12 30 49 6 15 2000 12 30 52 6 15 2000 12 30 55 6 15 2000 12 30 58 5 15 2000 12 31 01 6 15 2000 12 31 04 5 15 2000 12 31 07 6 15 2000 12 31 10 6 15 2000 12 31 13 5 15 2000 12 31 16 6 15 2000 12 31 19 6 15 2000 12 31 22 be Ss le s 325 6 15 2000 12 31 28 6 15 2000 12 30 14 PH 6 15 2000 12 30 14 P 6 15 2000 12 30 17 P2. 6 15 2000 12 30 17 PH 5 15 2000 12 30 17 B5 b 12 30 20 6 15 2000 12 30 23 6 15 2000 12 30 26 6 15 2000 12 30 29 6 15 2000 12 30 32 5 15 2000 12 30 35 QEON d Uo Uo om n ou onu ou u un Er Ope eee TEP CES ED EYE TRU K Li Bu c eo oe oo So Su oOocooooonooonooonn Om om cw D o LG C M Oc Oe Ly meow oe DE EE CS ES CET UEDIE EC ERE ES Wein ey p lt 0 ppm H25 4 ppm CO 16 6 Yol 02 ALT AL O LEL CH4 2 006 Vv U BAT 16 E GfG42 imp gt Datalogger G450 L3 Serialno 05090039 1 1 1 1 1 i R ee e l E PoE HR E au jest Jel A PISO Du Date Time 6 15 2000 12 30 01 PH 6 15 2000 12 30 01 P 6 15 2000 12 30 04 P Confidence Blip Within the Confidence blip menu point the interval between confidence blips can be chosen The confidence blip can be heard in intervals of 15 to 90 seconds or be deactivated Scroll up Confirm interval and return to main menu Scroll down 17 AutoCal The AutoCal menu point can be selected in the main menu or occurs automatically when the calibration adapter Smart Cap is connected Within the AutoCal menu point the device can be calibrated with fresh air ZERO or test gas CAL AutoCal with fresh air AutoCal with test gas Back to main menu Options Within Options you can adjust e he buzzer volume 90 dB or 103 dB e he screen contrast 1 very low up to 15 very high a Service Menu Enter the service menu by sel
3. To adjust sensitivity the sensor menu point Calibrate has to be selected eu Start calibration Enter calibration gas concentration gt 41 X Return to O2 menu After entering GAS the display reads Decreases calibration gas value by one unit Increases calibration gas value by one unit gt 41 X Saves value and returns to O menu 24 Alarms Adjust Alarm Thresholds The G450 provides 3 alarm thresholds for each non toxic gas O2 CH4 For each toxic gas H2S CO the G450 provides 2 alarm thresholds The alarms are triggered when the gas concentration exceeds or falls below the threshold For toxic gases an additional alarm for exceeded long term and short term averages can be set After selecting the sensor menu point Alarms the following reading is displayed here for an O sensor Scroll down Change alarm threshold Back to O menu After selecting the alarm thresholds by pressing EDIT e g Alarm 1 the value can be entered Decreases alarm value by one unit a Back to Alarm menu Increases alarm value by one unit WARNING If alarm points are set to off the user will not be notified of an alarm condition This could result in injury or death Calibration Dates Within the sensor menu point Calibration dates the date of the last calibration can be displayed as well as if the calibration was successful V or not y 25 Information In this menu point
4. must be carried with you and must not be laid down unattended to prevent electrostatic charge The pump must be attached to the G400 gas detector before entering a hazardous location It must not be disconnected from the detector in the hazardous location Always pay attention to the ignition protection and the temperature class of the gas detector 35 General Description and Design The G450 460 pump is a very small and convenient supplemental module for the G400 series gas detector It allows gas sampling from a safe distance without exposing the user to hazardous locations The pump has its own power supply which works independently from that of the G400 series monitor ape S I i 7 ES i Sampling Inlet The sampling inlet is on the bottom of the pump body Here you can attach accessories for taking gas samples hose adapter with sampling line probe GfG telescopic probe Connection for gas sampling Sampling inlet accessories 36 Connecting the Pump Attach the G450 460 pump to the G400 series gas detector and secure it with the thumbscrews For permanent attachment to the G400 series gas detector you can attach the pump with 2 additional screws included You will find the mounting holes for the additional screws under the red sensor cover To access the holes slide the sensor cover upwards push the lock smoothly with a screw driver and remove it Once the screws are in place replace
5. of display 1 013 hPa Maximum 3 of detection range or 10 of display 68 F or 20 C Maximum 3 ppm or 10 of display 68 F or 20 C MK369 Electrochemical sensor for carbon monoxide CO GfG part number 1450002 Response time too 45 seconds 90 seconds without diffusion acceleration Pressure 82010 1 290 Maximum 3 ppm or 10 of display 1 000 hPa Humidity 15 to 90 r h Maximum 3 ppm or 10 of display 50 r h Temperature 4 to 122 F 5 20 to 50 C Maximum 3 ppm or 15 of display 68 F or 20 C Cross sensitivity H2 lt 10 NO lt 9 H2S 0 SO 0 1 Expected lifetime 3 years MK376 Electrochemical sensor for oxygen O GfG part number 1450001 Response time too lt 5 seconds tgp 10 seconds Pressure 80010 1 290 Maximum 0 2 volume or 2 5 of display 1 000 hPa Humidity 10 to 90 r h Maximum 0 2 volume or 42 596 of detection range 50 r h Temperature 4to 122 F 5 2 F 20 to 50C Maximum 0 5 volume or 2 5 of display 68 F or 20 C Expected lifetime 3 years MK380 Electrochemical sensor for CO and H2S COSH GfG part number 1450002 Response time lt 45 seconds lt 90 seconds without diffusion acceleration Pressure 82010 1 290 Maximum 3 ppm or 10 of display 1 000 hPa Humidity 15 to 90 r h Maximum 3 ppm or 10 of display 50 r h Temperature 4 to 122 F 20 to 50 C Expected lifetime 3 years 1 Displayed value with reference to the supplied ga
6. 12 13 01 2000 Firmware Version 3 07 32 Caution gt Substituting components may hinder intrinsic safety 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 Do not use the detector if itis damaged Before you use the detector inspect the case Look for cracks or missing parts gt If the detector is damaged or something is missing contact GfG Instrumentation Inc immediately Calibrate the detector before first time use and then on a regular schedule depending on use and sensor exposure to poisons and contaminants gt 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 gt lt 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 The combustible sensor is factory calibrated to 50 LEL methane If monitoring a different combustible gas in the 9o LEL range calibrate the sensor using the appropriate gas High off scale readings may indicate an
7. 34 G450 460 Motorized Pump 35 Application and Use 35 Special Conditions for Safe Use 35 General Description and Design 36 Sampling Inlet 36 Connecting the Pump 37 Operational Hints 37 Turning the Pump On 37 Turning the Pump Off 38 Confidence Signal 38 Low Flow Alarm esse 30 Power Supply eeeeeeeeeee 30 Battery Replacement 39 Test Battery Capacity 40 oyster Tall itecto itae meteo 40 ABDODOD GREER radicar 41 Cleaning eeeeeeeee eee 41 Changing the Filter 41 TAS 91191110 y M EET 41 Maintenance and Regular UNCON e ario ETT 41 win 41 Replacement Parts and Accessories 42 Technical Data sse 43 Introduction For Your Safety Like any piece of complex equipment the GfG G450 will do the job it is designed to do only if it is used and serviced in accordance with the manufacturer s instructions CAUTION For safety reasons this equipment must be operated and serviced by qualified personnel only Read and understand the instruction manual completely before operating or ser
8. being used as an example The adjustment options are the same for all sensors Move to next sensor Select sensor Return to service menu 22 For each sensor the following adjustments can be made ZERO Adjust the zero point Calibrate Sensitivity calibration with test gas Alarms Adjust alarm thresholds Calibration View the date and dates status of the last calibration and zero Information View sensor information Move to next menu point Select menu point Return to service menu Zeroing Adjust Zero Point To adjust the zero point the sensor menu point Zero must be selected Start zero point adjustment Enter zero gas concentration Back to O2 menu After entering GAS the display reads WW Zero gas value decreases by one unit EXIT Enter value and return to the O menu Zero gas value increases by one unit NOTE To set the zero point for oxygen supply the unit with 100 nitrogen through a calibration adapter 23 Calibration During calibration the sensitivity of the G450 is adjusted Before starting calibration make sure that the zero point adjustment has been done For calibration you need a suitable test gas e g Detection Range Carbon monoxide CO hydrogen sulfide H2S Fresh air or test gas with 20 9 volume oxygen Oz OX db in nitrogen N2 Methane CH4 NOTE Please call GfG for the correct calibration gas for your instrument
9. concentration of CO H2S and combustible gas depending on which sensors are installed equivalent to 25 to 50 of the full scale concentration Accuracy must be within 0 to 20 of the actual measurement Accuracy may be corrected by performing an AutoCal adjustment see calibration Detection Mode Turning the Device On Turn the G450 on in an environment known to be free from gases and or vapors Press the right key to turn the G450 on After turning the G450 on the display gives a short message about the detector the user the date and the time this message can be set in service mode Should the date for the next inspection pass the G450 gives a rhythmic alarm and the display reads Inspection Overdue The display also shows every gas being measured its detection range and the set alarm thresholds Location POSIT IOHW May 10 269 15 24 32 a o o SENSOR TEST Alarms H S Dz e CHy w Alarm 1 14 pem Alarm z 4 pem HzS e CO ov 12 ST PM oh TH pri _ _ 1j _ _ 8 1 Lallates AOL PL ZOO 2405 NEAT INSPECTION DEC aL A0 BEEN lll ALARMS HLL SENSORS ACTIVE READY MONITORING IA cl AutoCLal A1r Monitoring starts in 3 seconds Press ero to run AuUtolal Air MOH I TOR ZERO After the warm up period you can start the AutoCal program by pressing the right button Asse 8 If you are not in fresh
10. explosive concentration Only the combustible gas detection portion of this instrument has been assessed for performance by CSA International 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 For use only in hazardous locations where oxygen concentrations do not exceed 20 9 volume v v 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 33 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 gt Do not test the combustible sensor s response with a butane cigarette lighter doing so can damage the sensor Do not expose the detector to electrical shock and or severe continuous mechanical shock 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 Electromagnetic interference EMI signals may c
11. specific information for the sensor can be displayed Type of sensor ID Type of sensor Serial number SN Serial number Detection range NR Detection range Temperature range TR Temperature range CH Unit A unit equipped with a CH unit has an additional CH Unit menu point in which you can set the CH sensor to detect in LEL or volume Activate Lights The G450 provides an optional battery pack with lights The lights can be switched on or off by holding down the left key for approximately 5 seconds The lights are useful when the device is tied to a cord and lowered down into a sewer system Using the lights can prevent the device from being dunked under water Replacing the Batteries and the Rechargeable Battery Pack Module NOTE Batteries must not be replaced in hazardous locations Replace only in non hazardous locations Turn the detector off before you replace the batteries To replace the batteries or the supply module unscrew the two screws on the front of the detector and pull the whole module backwards or insert the allen wrench through one of the screw holes to push the module backwards When the alkaline batteries have to be replaced use a thin object to push 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 26
12. the sensor cover and slide it downwards To remove the pump from the G400 series monitor remove all attached SCrews Operational Hints NOTE Ifthe red sensor cover is slid upwards forcefully it may slip over its lock and the diffusion inlets will not be properly covered This may result in false detection since ambient air could dilute the concentration of the gas sample Make sure therefore that the diffusion inlets are closed properly For sampling gases from sewers rooms or drains a hose with or without a telescopic probe that is plugged into the intake can be used As the response time heavily depends on the internal volume of the intake hose the length should be as short as possible For the minimum pump time Tmin In Seconds please adhere to the following calculation T min 20s 3s m Lhose Treie Lhose length of hose inner diameter 5 mm in meters Irae 10 s with telescopic probe O s without Turning the Pump On olide the red sensor cover upwards to turn the pump on With sufficient battery capacity the pump motor starts after a short delay approximately 1 second The battery capacity is indicated by flashing signals see Test Battery Capacity The proper operation of the pump is indicated by a continuously lit green LED see Test Battery Capacity 3 Turning the Pump Off Slide the red sensor cover downwards to turn the pump off The pump should be turned off after detection to prevent unnecessary u
13. to GfG for proper service 28 Accessories and Replacement Parts Part Number Aspirator hand with wand 7711 450 Battery pack alkaline without batteries with vibrator 1450 202 Cable data downloading USB interface for PC 1650231 Charger plug in 110 VAC wall pack 4001 650 for use with drop in charger Charger vehicle 4001 650V Crocodile clip 943450 Datalogging kit alkaline cable software and drop in cradle charger Tem Datalogging kit rechargeable cable and software 1450235R Drop in cradle charger charge and data transfer 1450220 Regulator for aluminum calibration gas cylinders 0 5 Ipm fixed flow rate with pressure gauge and on off knob mr Regulator for steel calibration gas cylinders 0 5 lpm 2603 020 fixed flow rate with pressure gauge and on off knob Sensor carbon monoxide CO 0 300 ppm 1450004 Sensor COSH dual channel sensor VO 0 900 ppm 450002 H2S 0 100 ppm sensor hydrogen sulfide H2S 0 100 ppm 1450003 Sensor methane CH4 0 100 LEL 1450005 combustible gases Sensor oxygen O2 0 25 volume 1450001 Software datalogging CD only 1450233 Training DVD 3005 450 Spare parts and accessories should be stored at ambient temperatures of 32 to 86 F 0 to 30 C Storage time should not be longer than 5 years Electrochemical sensors should not be stored for more than 6 months When you store oxygen sensors be aware that storage reduces the expected lifetime of
14. Charging the Optional NiMH Battery Pack WARNING The detector must not be charged in a hazardous location Only charge in non hazardous atmospheres of 4 to 122 F 20 to 50 C Charge the detector using only the recommended charging adapter Do not use any other charging adapter as a fire or an explosion may result Do not connect the charging adapter to voltages other than those used in North America or an explosion may result The rechargeable G450 battery pack N M module can be charged with the GfG wa d Drop in Charger The Drop in Charger is available as a plug in unit that can be mounted to a wall or as a vehicle charging unit For both versions make sure that the maximum connected voltage does not exceed 30 V To charge the G450 simply slide the device into the charging unit The G450 will beep and then display either quick charge or trickle charge These two modes indicate the charge status of the G450 When the rechargeable battery pack is completely depleted it will take approximately 3 hours to recharge in quick charge mode Then the Drop in Charger will automatically switch to trickle charge mode so that it is impossible to overcharge the battery pack Both charging modes are indicated on the G450 s display When the charger changes to trickle charge mode the battery pack has reached at least 80 of its capacity An additional 2 3 hours of trickle charge will fully charge the detector The G450 will keep charg
15. G450 Operation Manual Gti GfG Instrumentation Worldwide Manufacturer of Gas Detection Solutions GfG Products for Increased Safety Congratulations on your purchase of a high technology product from GfG you have made an excellent choice Our detectors are characterized by reliability safety peak performance and economic efficiency They comply with national and international directives This manual will help you operate the detector quickly and safely Please take note of these instructions before putting the device into operation If you have any questions please feel free to contact us GfG Instrumentation Inc 1194 Oak Valley Drive Ste 20 Ann Arbor MI 48108 USA Phone 300 959 0329 or 734 769 0573 Fax 734 769 1888 E mail info gfg inc com Website www gfg inc com Table of Contents Page INtTOdUCciIO Miri 5 For Your Safety coocooccoccocccccociccnnononoss 5 Application and Purpose 5 BI 6 Opera O rss 7 Detection Mode 1 Turning the Device On 1 Turning the Device Off 9 Display lllumination 9 Individual Gas Display Rotating the Display 9 O A a 10 ATA sao opinen 11 Resetting Latching Alarms 12 STEL TWA Maximum Minimum Values 12 Peak Adjusting Peak Values 12 Service M
16. OE ccecceceeseeseececcecensess 13 Vite lamisil 13 Location Entering a Location 14 User Entering User Name 14 Datalodgg6l c smeisiieptesicto mise bieteb tetigi 15 Datalogger sample screen shots 16 Confidence Blip 17 ABIGO obese sus eran Pudet 18 0 fe Sus 18 Service Menu eeeeeeeeeee 18 System Menu esee 19 A o E 20 Inspection eese 20 IG TOF FH ELO amarrada 20 Soon rM EDT 21 Latching Alarm Function 21 sensor Enable 21 AutoCal Air ossis 22 AutoCal Gas seeee 22 Sensor MENU eeeeeeeereee 22 Zeroing Adjust Zero Point 23 Calp ATION iii 24 Alarms Adjust Alarm Thresholds 25 Calibration Dates 25 Page Information 0c ccc eee eee eee eeeeeeeeeeeeees 26 A ON aceea 26 Activate LIGNIS eei reto eds 26 Replacing the Batteries and the Rechargeable Battery Pack Module 26 Charging the Optional NiMH Battery Pack 21 E 21 Maintenance and Inspection 20 Service Repair 20 Accessories and Replacement Parts 29 sensor Types and Detection Ranges 30 Sensor Specifications 31 Technical Data essa 32 A E 33 Lacs
17. Web www gfg inc com GfG reserves the right to change part numbers prices and or technical information without notice 7004 450 102407
18. air or if you do not wish to zero the sensors then press the left button MONK after the warm up period to switch to detection mode The G450 is ready for operation if all measurement values the unit and the gas are displayed NOTE GfG recommends that you bump check the sensors before each day s use to confirm their ability to respond to gas by exposing the detector to a gas concentration which will exceed the alarm set point of the sensors Turning the Device Off To turn the G450 off hold the right key Aelel for approximately 5 seconds Display Illumination Whenever you press a key or any alarm condition is activated the display illumination turns on It turns off automatically after approximately 10 seconds or when the alarm condition is corrected Individual Gas Display Rotating the Display The display can be rotated 180 by pressing the right and the left keys simultaneously The G450 allows the user to store and display time weighted averages TWA short term exposure levels STEL peak values MAX and minimum values MIN The stored values have the following meanings STEL The STEL short term exposure level is the average value of the gas concentration over a period of time which is determined by the short term period Short term exposure levels are used to evaluate exposure peaks The short term period is set to 15 minutes If other exposure intervals are set you can adjust the short term period f
19. ause incorrect operation of this detector 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 any such defect or to furnish a new part at the option of GfG Instrumentation in exchange for any part of any product that 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 examination 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 No agent or reseller of GfG Instrumentation may alter the above statements 34 G450 460 Motorized Pump Application and Use The G450 460 motorized pump ensures personal safety in atmospheric conditions in combination with the portable gas detectors of the G400 series The G450 460 pump is designed for use in explosion endangered areas and Is designed for conformity with ATEX II2G Ex ia IIC T4 or T3 Special Conditions for Safe Use In hazardous locations the G450 460 pump must be used properly i e the pump with a G400 series gas detector
20. be activated or deactivated for each measurement This function is necessary for applications in which a gas does not need to be measured or if the G450 will be upgraded with different sensors ON or OFF indicates the status of the sensor active or inactive An indicator in parenthesis ON or OFF means that the sensor is not available These indicators have the same meaning in the AutoCal Air and AutoCal Gas menus Sensor active Sensor inactive Sensor not available Scroll down Activate deactivate sensor Return to system menu 21 AutoCal Air This menu point is to enable AutoCal for sensors using fresh air zero calibration Generally all sensors will be zero calibrated and show ON Scroll down to next sensor i Calibration non calibration of sensor in AutoCal program EXIT Return to service menu AutoCal Gas This menu point is to enable AutoCal for sensors using a test gas gas calibration Generally all sensors except O will be calibrated and show ON Scroll down to next sensor i Calibration non calibration of sensor in AutoCal program EXIT Return to service menu Sensor Menu The following functions refer to individual sensors in the G450 In the service menu each individual sensor can be selected The adjustments are only valid for the selected sensor For a description of sensor specific adjustments the O sensor is
21. e G450 is turned off Peak Adjusting Peak Values During peak mode activated by pressing the left key JNM peak values can be monitored and displayed The display shows an animated symbol in the bottom left corner Within zoom display the peak value will be displayed instead of the gas concentration Pressing during peak mode will reset the peak memory to the current gas concentration Pressing during zoom display will reset the peak memory and the peak value memory to the current gas concentration By pressing dd again peak mode is deactivated Service Mode Hold the middle key RANA for approximately 5 seconds to activate service mode In the service mode the program parameters of the G450 can be adjusted and changed A menu highlights the different adjustment possibilities Several menu points require an access code 0011 to prevent accidental modification of important functions In service mode all alarms are deactivated All adjustments in service mode are menu controlled The 3 keys stand for the function which is shown in the bottom line of the display The main menu is displayed first when you enter service mode Main Menu The menu points are Location the physical location of the G450 User user identity Datalogger adjust datalogger function Confidence blip adjust intervals Service start service menu AutoCal Options adjust alarm volume and display contrast oe et INS The keys functio
22. e long term value TWA refers to an 8 hour shift and calculates the average Toxic gases concentration The TWA alarm cannot be reset It is only de activated if the detector is switched off Resetting Latching Alarms For alarms 2 and 3 when alarms are set to latching you must reset an activated alarm by pressing the key Alarm 1 will automatically reset when the gas danger has passed If the detection range of the CH sensor is exceeded the display will read 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 OVER RANGE 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 STEL TWA Maximum Minimum Values When you turn the G450 on the unit begins to measure continuously in diffusion mode All concentrations are shown on the display In addition short term and long term averages STEL and TWA are calculated for toxic gases for non toxic gases peak and minimum values MAX and MIN are stored The stored values can be read from the display by accessing the applicable display mode WARNING To avoid possible personal injury do not turn off the detector during a work shift TWA STEL and MAX readings are reset when th
23. ecting Service Within the service menu the G450 program parameters can be adjusted Scroll down Change selected parameter Back to main menu This menu point is only accessible with the code 0011 The code prevents important functions from being changed by mistake or by unauthorized persons In service mode all alarms are suppressed ABe Previous digit Enter cursor moves automatically to the next position By holding the key the last entry will be deleted and the cursor will move one position back yam Next digit After entering code 0011 you enter the system menu see System Menu and can perform general adjustments Within the System menu the sensors can be deactivated or calibrated Information can be viewed and alarm thresholds can be adjusted select Sensors to adjust sensor specific functions A1304 Back to detection mode System Menu Within the System menu the following adjustments are possible Time Date and time Inspection Date of next inspection Information System information Options Change language vibration alarm latching and auto save settings Sensor Enable Turn sensors on or off AutoCal Air Enable AutoCal to zero specific sensors AutoCal Gas Enable AutoCal to adjust the sensitivity of specific sensors The blinking parameter is selected by pressing NJAN Seg Y oves to the next parameter returns to the system men
24. ing as long as it is plugged into the charger Charging can be stopped by removing the G450 from the Drop in Charger or by unplugging the charger Cleaning The casing can be cleaned with a damp cloth Never use solvents or detergents 21 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 Service Repair WARNING To avoid personal injury or damage to the detector use only the specified replacement parts A function test must be executed before the first operation and at least once a year This test comprises depending on use and sensor exposure to poisons and contamination e Check zero point Charge battery optional Check pump optional and diffusion inlets Test display with standard test gas bump test and adjust if necessary Check alarm signals Test response time NOTE GfG recommends that you bump check the sensors before each day s use to confirm their ability to respond to gas by exposing the detector to a gas concentration which will exceed the alarm set point of the sensor Any G450 repair must be done according to the manufacturer s instructions and with genuine spare parts Return
25. ns are explained in the bottom line of the display In the main menu the keys have the following functions Left key DU scroll down Middle key select menu point Right key back to detection mode Location Entering a Location From a deposited table one location out of a hundred possible locations can be selected The first two digits stand for the number of the table entry With the exception of 00 all other 99 entries can only be edited with a PC Within 00 up to 15 letters figures can be entered which will be stored as operational place in the G450 Entry is automatically completed when the cursor reaches the end mark gt When Location is selected by the middle key SELECT the following is displayed and the keys have the following functions First a location number is specified Change location name Back to main menu Change location number After selecting a location number by pressing the right key 17 the location entry will be displayed To change the location press the left key EDIT The following is displayed and the keys have the following functions Select symbol move down Enter the blinking letter or figure and move the cursor to the right PAM Select symbol move up User Entering User Name From a deposited table one entry out of ten possible entries can be selected The first two digits stand for the number of the table entry Except for 00
26. or toxic gases to between 5 and 60 minutes 9 TWA The time weighted average TWA is the average value of the gas concentration over an 8 hour working shift For calculating the total dose the G450 uses all gas levels measured since the detector was turned on MIN MAX Minimum and peak values measured since the detector was switched on or since the stored values were reset Press ele briefly to view one gas at a time 4ele mode Pressing ele quickly while in Meel mode will cycle to the next detected gas To read the stored values press and hold the right key while in zoom mode Press the key repeatedly to display all other measurement values and the battery capacity one after the other Example Zoom Display for H2S Top left Maximum value Top right Actual gas concentration Bottom left Short term exposure level STEL Bottom right Time weighted average TWA Battery A fully charged G450 battery pack has a capacity of up to 25 hours of continuous operation in diffusion mode The operational time may be reduced by sampling intervals or alarms The remaining battery capacity is indicated by the battery symbol on the left side of the display The black area represents the remaining capacity When the capacity falls to 4 the G450 gives both a visual red alarm LED and an empty battery symbol in the display and an audible warning The display turns orange Alarms If the measured gas concentra
27. s concentration Maximum 3 ppm or 20 of display 68 F or 20 C 31 Technical Data Type G450 Electrochemical EC toxic gases and oxygen Detection principle Catalytic combustion CC combustible gases and vapors up to 100 LEL Illuminated full graphic LCD automatic size adjustment for optimal read out battery capacity display gas concentration as instantaneous and peak value Depending on gas type 2 or 3 instantaneous and 2 dosimeter alarms low battery alarm Visual and audible warning and display indication coloring of display depending on alarm status orange red Buzzer 103 dB can be restricted to 90 dB Climate conditions for operation 4 to 122 F 20 to 50 C 5 to 95 r F 70 to 130 kPa for storage 13 to 122 F 25 to 50 C 5 to 95 r F 70 to 130 kPa recommended 32 to 86 F 0 to 30 C Zero point and sensitivity calibration Operational time Up to 25 hours 1 NiMH battery module rechargeable Im 1 A maximum charging current Power supply Um 30 VDC maximum voltage or 2 Alkaline battery module non rechargeable with 2x size AA Duracell MN1500 LR6 Manual or automatic with calibration program Casing Material Rubberized plastic Dimensions 4 3x3 0x2 2 inches 110x75x55 mm HxWxD Weight 10 23 oz 290 g Protection IP 67 Approvals cCSAus Class Division 1 Group A B C and D Hazardous locations CSA Approval Temp code T3 CSA C22 2 No 152 ANSI ISA
28. se of the batteries Confidence Signal During sampling a green LED remains continuously lit to indicate trouble free operation Low Flow Alarm If the sampled gas amount is too low lt 0 25 lpm or if the power supply to the pump motor is interrupted the units red LED flashes as an alarm Low flow alarm signal Approximately 5 LED pulses per second REASON Gas flow is blocked or sampling line is bent For proper operation make sure that the gas passageway is free ATTENTION During a low flow alarm proper detection in connection with the G400 series monitor cannot be assured Power Supply The G450 460 pump is powered by an alkaline battery module The power supply module allows continuous operation for up to 10 hours The operational time may be reduced however by a high load on the pump motor e g bent sampling line blocked filter The G450 460 pump turns off automatically if the battery voltage falls below the minimum level needed for proper functioning At least 15 minutes before automatic deactivation the green LED flashes once per second to indicate insufficient battery voltage 38 Battery Replacement NOTE The pump must not be opened in hazardous locations Do not replace the alkaline battery module in hazardous locations Always turn the pump off before replacing the alkaline battery module Check for the correct polarity of the new 1 5 V AA alkaline batteries see Battery Holder The correct batter
29. sly monitored If a fault is recognized a visual alarm is triggered To correct this problem replace the batteries If the fault still exists return the unit to the manufacturer 40 Appendix Cleaning Give the G450 460 pump a short visual check after use Use a damp cloth to remove stains or dirt from the casing Never use solvents or cleaning agents Changing the Filter To change the filter separate the pump from the G400 E series monitor and slide the red cover down Use A tweezers to remove the filter and replace it with a new SY E one Filter Inspection In addition to regular maintenance the user has to do the following checks at least before every shift e Visual check for damage e Check battery capacity e Check sampling performance Maintenance and Regular Function Check Depending on application conditions and technical requirements maintenance should be done in intervals required by the application Maintenance includes measures which retain the operational status of the G450 460 pump e Visual check for damages Check filter condition Check pump battery capacity Check confidence signal Check sampling performance e Check low flow alarm In addition to the above we recommend getting the pump checked for proper functioning by an expert in combination with the at least annual maintenance of the G400 series monitor Service service should be done by the manufacturer Only genuine spare parts mus
30. t be used for service and repair 41 Replacement Parts and Accessories Part Number Special dust water filter pack of 3 1000207 Special sampling line 10 feet anti static with dust water filter 1000208 Special sampling line 10 feet anti static with dust water filter and flow indicator 1000209 Special sampling line for exotic gases one foot 2806 01 1 Telescopic probe CrNi 1 36 m 1000205 42 Technical Data Pump 0 50 lpm for 0 mm water column performance 0 35 lpm for 300 mm water column Maximum 100 m hose length depending on gas and hose Indication and Green LED Indication of battery capacity and confidence signal Alarm Battery alarm Red LED Low flow alarm and system fault Power supply Alkaline battery module grey casing non rechargeable with 2x Mignon 1 5 V type DURACELL PROCELL MN1500 LR6 AA Operational time Climate Condition For operation 4 to 131 F 20 to 55 C 5 to 95 r h 13 to 131 F 25 to 55 C 5 to 95 r h recommended 32 to 86 F 0 to 30 C Approximately 10 hours For storage Casing Material Rubberized compound Dimensions 4 29x2 68x 83 inches 109x68x21 mm HxWxD Weight 6 35 ounces 180 g with alkaline battery module Protection P 40 Firmware Version 2 00 43 GfG Instrumentation 1194 Oak Valley Drive Suite 20 Ann Arbor Michigan 48108 USA Phone 800 959 0329 or 734 769 0573 Fax 734 769 1888 E mail info gfg inc com
31. the sensor When storing spare sensors make sure that the ambient atmosphere is free from corrosive substances and sensor poisons 29 Sensor Types and Detection Ranges Warning To avoid personal injury use only sensors specifically designed for this detector Sensor Part Detection Resolution T Band Number Range 1450003 0 100ppm Hydrogen sulfide H4S 1450004 0 300 ppm Carbon monoxide CO 1450001 0 25 volume Oxygen O gt 0 1 volume 40 296 volume 1450005 0 100 LEL Methane CH4 0 5 LEL 2 5 LEL T Band Tolerance band 30 Sensor Specifications MK221 Catalytic combustion sensor for combustible gases and vapors GfG part number 1450005 Response time ts lt 10 seconds top lt 30 seconds Pressure 950 to 1 100 hPa Humidity 5 to 90 r h Maximum 5 of detection range or 15 of display 55 r h Temperature 4 to 122 F 20 to 50 C Expected lifetime 3 years MK429 Electrochemical sensor for hydrogen sulfide H2S GfG part number 1450003 Response time too lt 5 seconds _ too 45 seconds Pressure 82010 1 290 Maximum 3 ppm or 10 of display 1 000 hPa Humidity 20 to 90 r h Maximum 3 ppm or 10 of display 50 r h Temperature 50 to 104 F 10 to 40 C cie rete Maximum 3 ppm or 20 of display 68 F or 20 C Cross sensitivity SO 20 NO 35 NO lt 2 CO 0 596 H 0 196 1 Expected lifetime 3 years Maximum 5 of detection range or 15
32. tion exceeds a pre set threshold the detector immediately gives audible and visual alarms The display also indicates the exceeded alarm threshold which caused the alarm A loud acoustic alarm 103 dB at 30 cm and bright flashing alarm LEDs warn of dangerous gas concentrations In case of a gas alarm the whole display turns orange or red depending on the gas concentration and the exceeded alarm threshold The G450 provides three instantaneous alarms for oxygen O2 and combustible gases CH and two alarms for toxic gases CO H2S The G450 warns the user of dangerous situations caused by decreasing concentrations e g for oxygen deficiency when levels fall below the pre set alarm threshold An over range alarm is given if a gas danger occurs due to increasing concentrations e g for toxic and combustible gases For toxic gases there is an additional alarm for exceeded time weighted averages and short term exposure levels TWA and STEL Number An instantaneous alarm is activated immediately if the gas concentration exceeds or falls below a pre set threshold The alarm values are adjustable The short term value STEL is the average concentration over a short period of time e g 15 minutes The Toxic gases reference time is adjustable The STEL alarm is not latching it resets automatically as soon as the concentration falls below the threshold Oxygen Instantaneous Combustible Value AL Short Term Value STEL Th
33. u ex To change a parameter the following options are available Decreases value Confirms value Increases value ee Inspection The date of the next maintenance or inspection can be entered under the Inspection menu When the date arrives the G450 will automatically sound an alarm If the inspection date passes the G450 will give a reminder every time it is switched on Within the system menu select Inspection ml Back to system menu Selects the blinking parameter Moves to the next parameter To change a parameter Decreases value Confirms value Increases value Information The unit type G450 software version serial number and battery type can be viewed in the system menu point Information 20 Options In the Options menu point the language can be changed the vibrating alarm can be activated or deactivated and the latching and auto save features can be turned on or off Scroll down Change setting for the selected option Return to system menu Latching Alarm Function The detector is shipped with the latching alarm function disabled If the alarms are set to latch the audible and visual alarms will persist until the alarm is acknowledged by pressing the center key N9311 To enable latching alarms press the left key MI until Latching is highlighted Press the center key Ma Iel3 to enable latching alarms Sensor Enable Each individual sensor can
34. vicing this device The warranties made by GfG with respect to the product are voided if the product is not used and serviced in accordance with the instructions in this manual Please protect yourself and your employees by following them The above does not alter statements regarding GfG s warranties and conditions of sale and delivery Application and Purpose The G450 is a handheld detector for personal protection from gas hazards The detector measures continuously in diffusion mode and gives visual and audible alarms if a gas induced danger arises The G450 is designed for conformity with ATEX II2G Ex ia IIC T4 or T3 for use in hazardous locations and carries the following approvals cCSAus Class Division 1 Group A B C and D Hazardous locations Temp code T3 CSA C22 2 No 152 ANSI ISA 12 13 01 2000 Design Hook for carrying strap Display Keys Diffusion inlet Alarm LEDs Contacts for accessories Screw connectors for pump Battery pack accessible from back of unit Operation GfG recommends frequent verification of accuracy The safest course of action is to verify accuracy with a Known concentration of gas prior to each day s use If the readings are less than 90 or greater than 120 10 to 20 accuracy the detector must be calibrated before use In compliance with c CSA Canada the following requirements must be observed CAUTION Before each use sensitivity must be tested on a known
35. y type is DURACELL PROCELL MN1500 LR6 AA NOTE The batteries may only be replaced in safe areas Check for correct polarity when inserting the batteries see the picture inside the battery tray With incorrect polarity the pump will not turn on SS Battery tray i T p Li in m nai in m x i a a P e m X ga To replace the batteries separate the battery tray from the pump unscrew the screws on the front and pull the battery tray out of the unit Please adhere to disposal requirements 39 NOTE e Batteries must not be replaced in hazardous locations e Check for the correct polarity of the new batteries see the picture on inner side of battery tray e Check for correct insertion of the battery tray characters on front must be right side up Tighten all screws after inserting the battery tray Test Battery Capacity Once the pump is turned on the battery capacity is automatically indicated by means of the number of flashes of the green LED To activate the battery test turn the pump on slide the red sensor cover upwards 1 2 3 4 5 Number of pulse signals Empty Ful Battery capacity After indicating the battery capacity the LED stays dark for 2 seconds before the confidence signal appears System Fault System fault 1 System fault 2 Aa Approximately 10 red LED pulses per 1 red LED pulse every 2 seconds second The circuitry of the G450 460 pump is continuou
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