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10-2. List of Accessories

Standard
accessories



Battery unit:

      Li-ion battery unit (BUL-8000(G))
      OR
      Dry battery unit (BUD-8000(G))



AC powered charger (for Li-ion battery unit versions only)



Shoulder strap



Gas sampling hose (1 m spiral)



Gas sampling probe

Optional
accessories



Waist strap



Waist strap fixing tool



Carrying case (leather)



Aluminum trunk case



Shipboard storage box (metal)



Sampling probe holder



Gas sampling hose (with float probe, 8m)



Gas sampling hose 30 m with plummet



Filter tube



Filter tube fixing belt



Water trap



Relay tube



Set of gas bags (LEL/VOL)



Span cans (CALGAS 4 component mixed gas)



Demand flow valve



Data logger management program

Содержание GX-8000

Страница 1: ...manual Regardless of warranty period we shall not make any indemnification for accidents and damage caused by using this gas monitor Make sure to read the warranty policy specified on the warranty Because this is a safety unit a regular maintenance for every six months and daily maintenance must be performed If any abnormality is found in the gas monitor notify it to RKI immediately Visit our Web ...

Страница 2: ...xell INR18650PB1 Um 250V Power supply of alkaline battery unit BUD 8000 Powered by three series AA size alkaline batteries model LR6 by TOSHIBA Backup battery type CR1220 manufactured by Maxell Certificate numbers IECEx Certificate number IECEx KEM 10 0038 ATEX Certificate number KEMA 10ATEX 0085 List of standards IEC 60079 0 2011 EN60079 0 2012 IEC 60079 11 2011 EN60079 11 2012 IEC 60079 26 2006 ...

Страница 3: ...isplay Setting Mode 26 4 9 How to Exit 33 5 Operations and Functions 34 5 1 Gas Alarm Activation 34 5 2 Fault Alarm Activation 36 5 3 Other Functions 36 6 Maintenance 37 6 1 Maintenance Intervals and Items 37 6 2 How to Clean 38 6 3 Parts Replacement 38 7 Calibration Mode 41 7 1 Preparing for Calibration 41 7 2 Fresh Air Adjustment AIR CAL 44 7 3 Span Adjustment 46 7 4 High Concentration Combustib...

Страница 4: ...air and high concentration combustible gases vol in N2 and inert gases Detection results are not intended to guarantee life or safety in any way The gas monitor comes in several types for different combinations of gases to be detected Check the specifications of the gas monitor before use and conduct gas detection properly in accordance with purposes See the list of gases to be detected at the end...

Страница 5: ...er TC19438 The specifications of the gas monitor are as follows Pump circuit Allowable voltage of 4 95 V allowable current of 1 12 A and allowable power of 1138 mW Combustible gas sensor circuit Allowable voltage of 4 95 V allowable current of 0 834 A and allowable power of 853 mW Buzzer circuit Allowable voltage of 4 95 V allowable current of 0 431 A and allowable power of 441 mW Main circuit All...

Страница 6: ...ately with a large quantity of water Fresh air adjustment in atmosphere When the fresh air adjustment is performed in the atmosphere check the atmosphere for freshness before beginning the adjustment If other gases exist the adjustment cannot be performed properly thus leading to dangers when the gas leaks Response to gas alarm Issuance of a gas alarm indicates that there are extreme dangers Take ...

Страница 7: ...at higher temperatures humidities and pressures or at lower temperatures than the operating range Avoid long term use of the gas monitor in a place where it is exposed to direct sunlight Do not store the gas monitor in a sun heated car Observe the operating restrictions to prevent condensation inside the gas monitor or gas sampling hose Condensation formed inside the gas monitor or gas sampling ho...

Страница 8: ...erating environment may include gases that have harmful effects on the sensors of this unit Different gases can be defected depending on the type The gas monitor cannot be used in the presence of the following gases 1 Sulfides such as H2S and SO2 continuously existing in high concentrations 2 Halogen gases such as chloride compounds and chlorofluorocarbons 3 Silicone Si compounds Do not use the ga...

Страница 9: ...ermeasures for preventing dangers resulting from electrostatic charges 1 Wear anti static clothes and conductive shoes anti static work shoes 2 For indoor use use the gas monitor while standing on a conductive work floor with a leakage resistance of 10 MΩ or less The battery units that can be connected are the BUL 8000 G certificate number TC19437 or BUD 8000 G certificate number TC19438 The speci...

Страница 10: ...inations BUL 8000 certification number TC19437 BUL 8000 G for Li ion battery unit BUD 8000 certification number TC19438 BUD 8000 G for dry battery unit Additionally a nameplate indicating a compatible model is affixed on the top of the battery unit Check this information and use a correct combination 3 2 Names and Functions for Each Part Outline Drawing Printing for identification ...

Страница 11: ...onnect an AC powered charger and recharge the batteries 12 Recharging indicator lamp Lights up in red during recharging and goes off when recharging is completed 13 Sensor cover There are sensors inside May be opened only when the sensor is to be replaced 14 Activated carbon filter knob Turn this knob to detach and replace the activated carbon filter No activated carbon filter is used on a type th...

Страница 12: ... 6 Oxygen concentration digital and bar display Displays the gas concentration as a numeric value and a level in the bar graph 7 Hydrogen sulfide concentration digital and bar display Displays the gas concentration as a numeric value and a level in the bar graph 8 Clock display Displays the current time NOTE The meanings of battery level icons are as follows Sufficient Low Needs recharging If the ...

Страница 13: ...or clogging Check that the gas monitor gas sampling probe and gas sampling hose are connected properly Recharging the Batteries in a Li ion Battery Unit When the gas monitor is used for the first time or when the battery level is low be sure to use the accessory AC powered charger to recharge the batteries CAUTION Use the dedicated AC powered charger Recharge the batteries in a non hazardous area ...

Страница 14: ... battery pack may get hot but this is not abnormal The temperature of the gas monitor is high immediately after recharging is completed Let it leave for 10 minutes or more before using it Otherwise correct measurements may not be obtained When fully recharged batteries are recharged again the recharging indicator lamp does not go on CAUTION Do not pull the recharging jack cover too hard It may get...

Страница 15: ...tery cover and tighten the battery cover fixing screw CAUTION Replacement Turn off the power of the gas monitor before replacing the batteries Replace the batteries in a non hazardous area Replace all of the three batteries with new ones at one time Pay attention to the polarities of the batteries If the battery cover fixing screw is not completely tightened the dry batteries may drop off or water...

Страница 16: ...ry unit Do not damage the rubber seal To maintain the water proof and dust proof performances it is recommended to replace the rubber seal every two years whether or not it has an abnormality Detaching Battery Unit 1 Loosen the two battery unit screws They need not be completely detached 2 Detach the battery unit 3 Attach a new battery unit NOTE Make sure that the battery unit is installed in corr...

Страница 17: ...KI Use the gas monitor with the gas sampling probe connected so that no foreign substance is drawn into it Connect a gas sampling probe and a gas sampling hose by fastening them manually without using any tool If they are fastened too tightly using a tool the plastic part of the gas sampling probe may be broken CAUTION Connecting tubing to the GAS OUT fitting suppresses the gas reading RKI recomme...

Страница 18: ...r normal operations The detection mode is activated after the power is turned on Detection Mode RESET DISPLAY AIR long pressing Gas Alarm Status Self latching Reset after Recovery to Normal Status Display and Setting Mode Fault Alarm Status Self latching Air Calibration Mode ...

Страница 19: ...eep the POWER switch pressed for three seconds or more LCD All LCDs light up Alarm lamp lights up Buzzer sounds once Beep Date Time Display Battery Voltage Display Gas Name Display Full Scale Display First Alarm Setpoint Display Second Alarm Setpoint Display ...

Страница 20: ...t was abnormal on the sensor to and start gas detection However notify the abnormality to RKI promptly Gas for which there was an abnormality in the sensor cannot be detected However the alarm cannot be reset if there is an abnormality in all the sensors If there is an abnormality in the built in clock a fault alarm FAIL CLOCK may be issued Press the RESET button The fault alarm is temporarily res...

Страница 21: ...leaked from its inside thus leading to dangers Be sure that excessive pressure is not applied to the gas monitor while used Do not connect the sampling hose directly to a location with a pressure higher than the atmospheric pressure The internal piping system may be damaged When the fresh air adjustment is performed in the atmosphere check the atmosphere for freshness before beginning the adjustme...

Страница 22: ...cally corrected by the sensor which detects oxygen at the same time by feeding back a change in the oxygen concentration to the detection result of high concentration combustible gases If coexisting gases other than oxygen undergo a high concentration change the influence from the change cannot be automatically corrected This sensor is adjusted to be able to detect high concentration combustible g...

Страница 23: ...bout one second The following screens are displayed in turn on the gas monitor NOTE The screen displays the memory number date and instantaneous value in turn Go to the next step to execute recording No value is recorded at this point yet If you do not want to record a value press the DISPLAY switch to return to the detection mode 2 Press the ENTER switch The date and the instantaneous value at th...

Страница 24: ...4concentration CAUTION An oxygen concentration higher than a certain level is required for the combustible gas LEL sensor of the gas monitor to correctly detect gases and display concentrations For the sake of more accurate gas detection and concentration display therefore this gas sensor may perform detection using the vol sensor if the built in oxygen sensor of this unit detects an oxygen concen...

Страница 25: ...imum concentration for oxygen detected during measurement from power on to the present STEL Value Display STEL Display the STEL value after power on for versions with H2S and or CO sensors TWA Value Display TWA Display the TWA value after power on for versions with H2S and or CO sensors Alarm Setpoint Display Alarm Test ALARM P Display the full scale and alarm setpoint values and check the alarm o...

Страница 26: ... freshness before beginning the calibration If other gases exist the adjustment cannot be performed properly thus leading to dangers when the gas leaks CAUTION Perform air calibration under pressure and temperature humidity conditions close to those in the operating environment and in fresh air Perform air calibration after the reading is stabilized If there is a sudden temperature change of 15 C ...

Страница 27: ...s a gas alarm If the air calibration fails it displays FAIL AIR CAL and which sensor has become faulty Press the RESET button to reset the fault alarm calibration failure When the alarm is reset the value before calibration is displayed If CH4 sensor is faulty ...

Страница 28: ...or versions only ENTER Combustible Gas Measurement Range Setting P28 PEAK Display the maximum concentration or minimum concentration for oxygen detected during measurement from power on to the present STEL Display the STEL value after power on versions with H2S and or CO sensors TWA Display the TWA value after power on versions with H2S and or CO sensors Full Scale Display Alarm Setpoint Display A...

Страница 29: ... detection mode if the pump operation is set to OFF Pump ON OFF Setting Used to turn on off the pump operations ENTER Pump ON OFF Setting P31 ID Display Selection Display an ID if it has been registered in advance Also used to select an ID ENTER ID Display Selection P32 Log Data Display Display concentration data recorded to the manual memory ENTER Log Data Display P33 To Detection Mode ...

Страница 30: ... setting mode menu The following screens are displayed in turn on the gas monitor 2 Press the ENTER switch NOTE If you do not want to make a change press the DISPLAY switch to return to the display setting mode menu 3 Every time the or switch is pressed the measurement range menus AUTO RANGE automatic switching ONLY VOL fixed to the vol range and ONLY LEL fixed to the LEL range are displayed in tu...

Страница 31: ...In the vol range only setting the screen displays No ALARM because no alarm is triggered Be careful because the LEL range only setting screen does not appear different from the auto range setting screen Even if the concentration exceeds the full scale the screen does not automatically switch to the vol range No ALARM display vol range only LEL range only ...

Страница 32: ...nus i e full scale display first alarm setpoint display second alarm setpoint display STEL alarm setpoint display and TWA alarm setpoint display are displayed in turn Press either the or switch to select a setting that you want to check Select one of the following screens Full Scale Display First Alarm Setpoint Display WARNING Second Alarm Setpoint Display ALARM STEL Alarm Setpoint Display TWA Ala...

Страница 33: ...he display setting mode menu 3 Every time the ENTER switch is pressed the pump operation is turned ON or OFF Pump OFF Pump ON NOTE While the pump operation is set to OFF only the ENTER switch is enabled 4 To return to the detection mode press the ENTER switch to set the pump operation to ON 5 After completion press the DISPLAY switch several times until it returns to the detection mode CAUTION Whi...

Страница 34: ...return to the display setting mode menu On this gas monitor either of the IDs from ST ID000 to ST ID255 has been registered unless otherwise specified The data logger management program option is required to register or change an ID Please contact RKI 3 Press either the or switch to select an ID Every time the or switch is pressed the ID number increases or decreases 000 255 4 Press the ENTER swit...

Страница 35: ... select log data that you want to check The log data menu displays the year month day time and memory number 4 Press the ENTER switch to display the selected log data 5 If you want to display other log data press the ENTER switch to return to the log data menu Repeat the steps 3 to 5 6 After completion press the DISPLAY switch to return to the detection mode 4 9 How to Exit Make the gas monitor dr...

Страница 36: ... sounds strong and weak beeps at about one second intervals Beep beep Repeatedly sounds strong and weak beeps at about 0 5 second intervals Blip blip Repeatedly sounds strong and weak beeps at about 0 5 second intervals Blip blip Repeatedly sounds strong and weak beeps at about one second intervals Beep beep Repeatedly sounds strong and weak beeps at about one second intervals Beep beep Alarm lamp...

Страница 37: ...nsists of two steps Each of them sounds when the respective alarm setpoint value is reached to or exceeded Second alarm setpoint Alarm lamp Buzzer Display example Alarm Pattern H HH Alarm Pattern L H oxygen deficiency alarm 1 second interval 0 5 second interval 1 second interval 0 5 second interval Concentration Concentration Time Time RESET RESET RESET First alarm setpoint Second alarm setpoint F...

Страница 38: ...ation LCD display Displays an error message Alarm lamp Repeatedly blinks at about one second intervals Buzzer Repeatedly sounds intermittent beeps at about one second intervals Blip beep blip beep Display example NOTE To reset a low flow rate alarm FAIL LOW FLOW remove the cause of the low flow rate and then press the RESET switch For information on malfunctions error messages see 8 Troubleshootin...

Страница 39: ...ar maintenance Battery Level Check Check that the battery level is sufficient Concentration Display Check Make the gas monitor draw in fresh air and check that the concentration display value is zero or 20 9 vol on the oxygen deficiency meter When the reading is incorrect perform the zero adjustment fresh air adjustment after ensuring that no other gases exist around it Flow Rate Check See the flo...

Страница 40: ...ave a validity period and must be replaced regularly The sensor life has expired if for example the sensors cannot be calibrated in span adjustment the readings do not come back after fresh air adjustment or the readings fluctuate Contact RKI The warranty period is one year for all the sensors Dust Filter Replacement Procedure Because the dust filter may gradually get dirty or clogged over the tim...

Страница 41: ...monitor before replacing the activated carbon filter Do not remove the activated carbon filter knob unless the activated carbon filter is to be replaced If the activated carbon filter knob is loose not sufficiently tightened accurate measurement may not be possible due to leaks or water may get inside No activated carbon filter is used on a type that does not measure carbon monoxide Keep this knob...

Страница 42: ... The above replacement intervals are recommendation only The intervals may change depending on the operating conditions These intervals do not mean the warranty periods either The result of the regular maintenance may determine when to replace the parts The operation of most of the periodical replacement parts must be checked after replacement by a qualified service engineer For the stable operati...

Страница 43: ...nnels AUTO CAL Perform the span adjustment simultaneously for all channels Span adjustment for each channel ONE CAL Perform the span adjustment for each channel Bump test BUMP Perform the bump test Exit calibration mode NORMAL Exit the calibration mode and return to the detection mode 7 1 Preparing for Calibration Required equipment material Zero adjustment gas 100 N2 for high concentration combus...

Страница 44: ...alibration gas Calibration gas is a hazardous gas toxic oxygen deficient etc Handle the gas and related jigs and tools with due care e g the gas must not be inhaled About the calibration location Perform the calibration where no silicon organic solvent spray can gases etc are used Perform the calibration indoors at normal temperature without remarkable fluctuation within 5 C Perform the calibratio...

Страница 45: ...ustment span adjustment zero adjustment for high concentration combustible gases and span adjustment for high concentration combustible gases The sensor for high concentration combustible gases has different outputs depending on whether the base gas is air or N2 Performing adjustment in any different order than the above adversely influences the reading taken when a combustible gas vol is drawn in...

Страница 46: ...stment use a zero air gas cylinder and a demand flow regulator to perform the fresh air adjustment WARNING When the fresh air adjustment is performed in the atmosphere check the atmosphere for freshness before beginning the adjustment If other gases exist the adjustment cannot be performed properly thus leading to dangers when the gas leaks ...

Страница 47: ...switch is pressed HOLD AIR is displayed Keep pressing the switch until RELEASE is displayed Release the AIR switch Only on TYPE A and TYPE E a 30 second countdown is started No countdown is started on other types After the fresh air adjustment is successfully completed and END is displayed the gas monitor automatically returns to the menu Return to AIR CAL ...

Страница 48: ... the same procedure to set other target gases When all of the span gas concentration setting is completed press the or switch until ESCAPE is displayed Press ENTER to return to the original screen While the span gas concentration is displayed press the ENTER switch to cause AUTO CAL to blink and display the current concentration readings prompting for supply Screw the demand flow regulator into th...

Страница 49: ...alibration gas for the high concentration combustible gas sensor MUST be in a balance of N2 and cannot be in a balance of air Use the cal tubing to connect the regulator to the probe In 60 seconds after supplying the span gas when the readings are stabilized press the or switch to adjust to the gas concentration Press the ENTER switch to adjust it After END is displayed the gas monitor automatical...

Страница 50: ...e gas and oxygen are displayed prompting for supply Screw the demand flow regulator into the 100 N2 gas cylinder 100 N2 must be used or the zero adjustment will not be accurate Use the calibration tubing to connect the regulator to the probe In about 60 seconds after supplying the zero gas when the readings are stabilized press the ENTER switch to perform adjustment After the zero adjustment is su...

Страница 51: ...s get deteriorated more quickly and may have shorter life If the gas monitor with a dry battery unit is not used for a long time store it after removing the batteries Battery leaks may result in fire or injury If the gas monitor is not used for a short time store it without removing the batteries While the power of the gas monitor is OFF the sensor is energized at all times Therefore it is necessa...

Страница 52: ... cause severe skin burns if it contacts skin while it may cause blindness if it contacts eyes If electrolyte is adhered on you clothes that part on your clothes is discolored or its material is decomposed If contact occurs rinse the area immediately with a large quantity of water Dispose of the batteries in accordance with procedure specified by the local authority ...

Страница 53: ... unit Abnormal operations Disturbances by sudden surge noise etc Turn off and restart the gas monitor Key operations are disabled Disturbances by sudden surge noise etc In a non hazardous area remove the battery unit once and reinstall the battery unit and turn on the power to perform operations System abnormalities FAIL SYSTEM A circuit abnormality occurred Contact RKI for repair System abnormali...

Страница 54: ...t fresh air adjustment Presence of interference gas Disturbances by interference gases such as solvents cannot be eliminated completely For information on actions such as removal filter please contact RKI Slow leak A very small amount of the gas to be detected may be leaking slow leak Because ignoring it may cause dangers take a remedial measure i e taking actions the same as those for the gas ala...

Страница 55: ...ondition Pilot indicator Flow indicator Alarm sound Above 95dB A 30cm Gas alarm indication Lamp blinking Intermittent buzzer Gas concentration display blinking Gas alarm action Latched Trouble alarm Self diagnosis System failure Sensor failure Low battery Calibration failure Flow failure Trouble alarm indication Lamp lighting Intermittent buzzer Content display Trouble alarm action Auto recover Sp...

Страница 56: ...HC and CH4 Hydrogen sulfide H2S Carbon monoxide CO TypeC Oxygen O2 Combustible HC and CH4 Hydrogen sulfide H2S TypeD Oxygen O2 Combustible HC and CH4 Carbon monoxide CO TypeE Oxygen O2 Combustible HC CH4 and H2 TypeF Oxygen O2 Combustible HC CH4 and H2 Range 0 to 100 LEL NC to 100 vol TE specifications Only 0 to 100 LEL NC for other combustible gases ...

Страница 57: ... spiral Gas sampling probe Optional accessories Waist strap Waist strap fixing tool Carrying case leather Aluminum trunk case Shipboard storage box metal Sampling probe holder Gas sampling hose with float probe 8m Gas sampling hose 30 m with plummet Filter tube Filter tube fixing belt Water trap Relay tube Set of gas bags LEL VOL Span cans CALGAS 4 component mixed gas Demand flow valve Data logger...

Страница 58: ...viation for Threshold Limit Value Time Weighted Average Limit TWA refers to a concentration limit of toxic substances as a time weighted average to which repetitious exposure of almost all the workers in 8 hour work shift or a 40 hour work week does not have harmful effects on their health STEL An abbreviation for Threshold Limit Value Short Term Exposure Limit STEL refers to a concentration limit...

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