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4 How to Use

4-8. Display/setting mode

4-8. Display/setting mode

This mode allows you to change various displays and settings.
Every time the DISPLAY switch is pressed, various screens are displayed in turn. (* Operations are slightly
different depending on the type)

(GX-2012, GX-2012GT <Normal Mode>)

Detection Mode

Press the DISPLAY switch.

ENTER

Combustible Gas Measurement
Range Setting



P36

LCD

Display/Setting Mode

Combustible Gas Measurement
Range Setting

Used to select a combustible
gas measurement range
manually.

PEAK Value Display

Displays the maximum
concentration (or minimum
concentration for oxygen)
detected during measurement
from power-on to the present.

STEL Value Display

Displays the STEL value after
power-on.

TWA Value Display

Displays the TWA value after
power-on.

Full Scale Display/Alarm
Setpoint Display/Alarm Test

Displays the full scale and alarm
setpoint values and performs the
alarm test for the settings
displayed.

ENTER

Full Scale Display/Alarm Setpoint
Display/Alarm Test



P38

Содержание GX-2012 Series

Страница 1: ...PT0E 1075 Portable Multi Gas Monitor GX 2012 Series GX 2012 GX 2012GT Operating Manual PT0 107...

Страница 2: ...be charged with exclusive charger model BC 2012 or SDM 2012 Power supply of alkaline battery unit BUD 2012 Powered by three series AA size alkaline batteries model LR6 by TOSHIBA Backup battery type...

Страница 3: ...nitor 20 4 5 How to detect 24 4 6 Modes 29 4 7 Air calibration mode 31 4 8 Display setting mode 33 4 9 How to exit 43 5 Operations and Functions 44 5 1 Gas alarm activation 44 5 2 Fault alarm activati...

Страница 4: ...vol in N2 and inert gases The gas monitor can measure two types of combustible gases general combustible gases HC which are used in ordinary factories oil tankers etc and methane CH4 such as city gas...

Страница 5: ...k floor with a leakage resistance of 10 M or less Only the following battery unit can be connected BUD 2012 certification number TC20171 or BUL 2012 certification number TC20209 BUL 2012 G1 certificat...

Страница 6: ...uit Maximum voltage of 4 25 V maximum current of 0 410 A and maximum power of 330 mW Maximum voltage 4 25 V Explosion proof grade Exia CT4 Ambient temperature 20 50 Battery charging contact Allowable...

Страница 7: ...ustment 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 perf...

Страница 8: ...mperatures 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 rest...

Страница 9: ...ronment may include gases that have harmful effects on the sensors of this unit Different gases can be detected depending on the type The gas monitor cannot be used in the presence of the following ga...

Страница 10: ...C20171 or BUL 2012 certification number TC20209 BUL 2012 G1 certification number TC21258 The specifications of the gas monitor are as follows Pump circuit Allowable voltage of 4 95 V allowable current...

Страница 11: ...1 are as follows Pump circuit Maximum voltage of 4 25 V maximum current of 0 768 A and maximum power of 618 W Main circuit Maximum voltage of 4 25 V maximum current of 0 984 A and maximum power of 793...

Страница 12: ...nfirm the setting in the display setting mode 10 Gas inlet Connecting port for the taper nozzle 11 Gas outlet Gas outlet from which gas drawn into the gas monitor is discharged Do not block the outlet...

Страница 13: ...he unit may malfunction or get damaged allowing water or foreign substance etc to get inside Do not remove the panel sheet on the surface The water proof and dust proof performances will be deteriorat...

Страница 14: ...6 Carbon monoxide concentration Displays the gas concentration as numeric output 7 Hydrogen sulfide concentration Displays the gas concentration as numeric output 8 Clock display Displays the current...

Страница 15: ...5 Combustible gas bar display Displays the gas concentration as a level in the bar graph 6 Leak check full scale display Displays the full scale value to be used in the leak check mode NOTE The meani...

Страница 16: ...gas detection check the followings Check that the protective film attached on the display from shipping is removed Check that the battery level is sufficient Check that there is no bend or hole in th...

Страница 17: ...uctive work floor with a leakage resistance of 10 M or less Replace the battery unit in a non hazardous area Replace the batteries in a non hazardous area The specifications of the battery unit are as...

Страница 18: ...oes not go on It is possible to charge the lithium ion battery unit alone by removing it from the main unit DANGER Do not modify or change the circuit or structure etc When using this gas monitor in a...

Страница 19: ...he battery unit in a non hazardous area Battery unit release lever Belt clip is optional CAUTION Turn off the power of the gas monitor before replacing the battery unit If the battery unit release lev...

Страница 20: ...operations The detection mode is activated after the power is turned on Operations are slightly different depending on the type Detection Mode LCD RESET SILENCE DISPLAY AIR long pressing Gas Alarm St...

Страница 21: ...selected for use Operations are slightly different depending on the type Mode Selection LCD RESET SILENCE DISPLAY AIR long pressing Gas Alarm Status Self latching Reset after Recovery to Normal Statu...

Страница 22: ...r 1 st 2012 12 00 Battery voltage display Example Voltage 3 3 V Gas alarm activation AL A Auto reset AL H Self latching Types of battery unit D Dry battery unit No display Lithium ion battery unit Gas...

Страница 23: ...h 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 ala...

Страница 24: ...Check Mode Mode Selection ENTER ENTER Date Time Display Example October 1 st 2012 12 00 Date Time Display Example October 1 st 2012 12 00 Battery voltage display Example Voltage 3 3 V Gas alarm activ...

Страница 25: ...d 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 fau...

Страница 26: ...pm Time 12 34 Battery level Sufficient GX 2012GT Leak Check Mode Display example CH4 concentration 2500 ppm Battery level Sufficient DANGER While conducting measurement in a manhole or confined space...

Страница 27: ...internal piping system may be damaged When the fresh air adjustment is performed in the atmosphere check the atmosphere for freshness before beginning the adjustment If other gases exist the adjustme...

Страница 28: ...00 ppm 1000 ppm 2000 ppm and 5000 ppm If the detection result exceeds the full scale the range changes automatically to LEL and VOL The peak of the leak value can be held Press the RESET switch long S...

Страница 29: ...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 p...

Страница 30: ...vol 60 LEL LEL range LEL range vol range Switching point Switching point CAUTION An oxygen concentration higher than a certain level is required for the combustible gas LEL sensor of the gas monitor...

Страница 31: ...ration or minimum concentration for oxygen detected during measurement from power on to the present STEL Value Display STEL Displays the STEL value after power on TWA Value Display TWA Displays the TW...

Страница 32: ...the ID Displays an ID if it has been set in advance Default setting is Station ID Display Selection SID SEL Displays and selects the ID Displays an ID if it has been set in advance Default setting is...

Страница 33: ...ation in fresh air before using it 4 7 Air calibration mode GX 2012 GX 2012GT Operations are slightly different depending on the type Press the AIR switch When the AIR switch is pressed the display ch...

Страница 34: ...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 ca...

Страница 35: ...Setting Mode Combustible Gas Measurement Range Setting Used to select a combustible gas measurement range manually PEAK Value Display Displays the maximum concentration or minimum concentration for ox...

Страница 36: ...built in clock Data Logger Remaining Time Display Displays the remaining time which data logger can record Clear Log Data Clears the log data ENTER Clear Log Data P39 User ID Display Selection Display...

Страница 37: ...e in about 20 seconds if the gas monitor is left unoperated SnapLog Data Display Displays data recorded in the manual memory ENTER SnapLog Data Display P41 Peak Display ON OFF Setting Selects ON displ...

Страница 38: ...measurement range setting from the display 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...

Страница 39: ...range only measurement vol and No ALARM displays blink CAUTION No gas alarm is triggered in the combustible gas vol range only setting In the vol range only setting the screen displays No ALARM becau...

Страница 40: ...tting mode menu 3 Every time the or switch is pressed the full scale and alarm setpoint menus i e full scale display first alarm setpoint display second alarm setpoint display STEL alarm setpoint disp...

Страница 41: ...monitor 2 Press the ENTER switch The following screens are displayed in turn on the gas monitor NOTE If you do not want to clear the log data press the DISPLAY switch to return to the display setting...

Страница 42: ...o not want to set or select an ID press the DISPLAY switch to return to the display setting mode menu When the gas monitor is used for the first time the ID display indicates Unless otherwise specifie...

Страница 43: ...u do not want to display the log data press the DISPLAY switch to return to the display setting mode menu 3 Every time the or switch is pressed the log data menus are displayed in turn Press either th...

Страница 44: ...ess the DISPLAY switch to return to the display setting mode menu 3 Every time the or switch is pressed On PEAK BAR display and OFF PEAK BAR non display are displayed alternately on the ON OFF setting...

Страница 45: ...ow to Use 4 9 How to exit 43 4 9 How to exit Make the gas monitor draw in fresh air After the display returns to zero or 20 9 for oxygen keep the POWER ENTER switch pressed until the power is turned o...

Страница 46: ...0ppm ATEX IECEx specification 1 0 ppm TIIS specification 10 0ppm ATEX IECEx specification 5 0 ppm TIIS specification 15 0ppm ATEX IECEx specification Carbon monoxide 25 ppm 50 ppm 500 ppm 25 ppm 200...

Страница 47: ...is reached or exceeded Buzzer The alarm consists of two steps Each of them sounds when the respective alarm setpoint value is reached to or exceeded Display example Concentration Alarm Pattern H HH A...

Страница 48: ...failure Determine the causes and take appropriate actions If the gas monitor has problems and is repeatedly malfunctioning contact RIKEN KEIKI immediately Display Operation LCD display Displays an er...

Страница 49: ...s function records the change of measured concentration for one hour which is from 30 minutes before the alarm was triggered until 30 minutes after the alarm was triggered Alarm trend records the peak...

Страница 50: ...ction of this gas monitor is entirely based on the overwrite system the oldest data is deleted and the latest data is recorded The recorded data can be read out by the Data Logger Management Program o...

Страница 51: ...el check Check that the battery level is sufficient Concentration display check Make the gas monitor draw in fresh air Check that the concentration display value is zero or 20 9 vol on the oxygen defi...

Страница 52: ...flow rate adjustment Filter check Checks the dust filter for dust or clogging Replaces a dirty or clogged dust filter Alarm test Checks the alarm lamp and buzzer for normal operation using the alarm t...

Страница 53: ...gas monitor have a validity period and must be replaced regularly within two years The sensor life has expired if for example the sensors cannot be calibrated in span adjustment the readings do not c...

Страница 54: ...s on the gas detection performance 3 Attach the filter case that has been removed Sensor part The sensor part contains various filters The filters need to be replaced regularly Different filters are a...

Страница 55: ...2 CO sensor filter 3 months 6 months 1 Activated carbon filter 3 HC LEL sensor filter 3 months 6 months 1 Hydrogen sulfide scrubber filter 4 Absorbent cotton When dirty Proper quantity 5 Teflon filter...

Страница 56: ...h the batteries fully charged the batteries 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 b...

Страница 57: ...industrial waste in accordance with the local regulations When disposing of the gas monitor in EU member states sort the batteries as specified Handle the removed batteries according to the classified...

Страница 58: ...installation of the battery unit Check whether the battery unit is properly attached to the main unit Abnormal operations Disturbances by sudden static electricity noise etc Turn off and restart the g...

Страница 59: ...low rate alarm is displayed turn off the unit once and then on again Repeat this procedure several times If the problem still persists request RIKEN KEIKI to replace the pump Fresh air adjustment cann...

Страница 60: ...A gas alarm is triggered despite of no gas leak and no other abnormalities at the detection point Presence of interference gas Disturbances by interference gases such as solvents cannot be eliminated...

Страница 61: ...nking and vibration Gas alarm pattern Self latching Fault alarm self diagnosis System abnormalities sensor abnormalities battery voltage drop calibration failure and low flow rate Fault alarm display...

Страница 62: ...ailure and low flow rate Fault alarm display Lamp blinking intermittent buzzer sounding and detail display Fault alarm pattern Self latching Transmission specifications IrDA for data logger Functions...

Страница 63: ...attery voltage drop calibration failure and low flow rate Fault alarm display Lamp blinking intermittent buzzer sounding and detail display Fault alarm pattern Self latching Transmission specification...

Страница 64: ...ern Self latching Transmission specifications IrDA for data logger Functions LCD backlight data logger peak display log data display leak check Power supply Dedicated dry battery unit AA alkaline dry...

Страница 65: ...Hand strap 1 Operating manual Product warranty Optional accessories Float probe H2S sensor filter humidity control filter Teflon filter Wire mesh filter HC LEL sensor filter hydrogen sulfide scrubber...

Страница 66: ...A An abbreviation 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 t...

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