RKI Instruments GX-2009 Reference guide

Brand: RKI Instruments

Model: GX-2009

Category: Oxygen Equipment

Type: Reference guide

1. Turning the GX-2009 On

a.PressandbrieyholddownthePOWERMODEbutton.The

backlightwillturnonandactivateallLCDsegments.Release

thebuttonwhenyouhearabeep.

i.IfCalC-LIMITisdisplayed,unitispastdueforcalibration.Pressand

releasethePOWERbuttontoconrmandcontinueuse.

ii. IfFAILC-LIMITisdisplayed,unitispastdueforcalibrationandcannotbe

usedwithoutcalibrating.

b.Theinstrumentwillgothroughabriefwarmupshowingdate,

numberofdaystonextcalibration,timeofday,batterypower,

alarmlatchsetting,fullscalevaluesforallchannels,warning

alarmsettingandhighalarmsettingforallchannels,STEL

alarmsetpointforH2SandCOandTWAalarmsetpointfor

H2SandCOchannels.

c.Ifthebatterylevelisloworthebatteryiconisashingandthe

unit’sbuzzersounds,rechargetheGX-2009beforeuse.

2. Measuring Mode Screen

a.Afterwarm-uptheGX-2009willdisplaythecurrentO2,H2S,

COand%LELgasreadings.

b.Ifthereadingsarenotdisplayingfreshairvalues,itis

necessarytoperformaFreshAiradjustment.

3. Performing a Fresh Air Adjustment

a.Findafresh-airenvironmentfreeoftoxicorcombustible

gasesandofnormaloxygencontent(20.9%).

b.PressandholdtheAIRbuttonforaboutthreeseconds.The

displaywillindicateAirCALHOLDAIR.Continuetoholduntil

ADJandRELEASEaredisplayed.ReleasetheAIRbutton.

TheGX-2009willsettofreshairvalues,0%LELCH4,20.9%

O2,0.0ppmH2Sand0ppmCO.

4. Performing a Breath Test

a.PerformingabreathtestquicklyteststheGX-2009oxygen

sensor,audible,visualandvibratoryalarmsforproper

operation.Performingabreathtestisnotasubstitutefor

calibrationorperformingabumptestonallsensors.

b.CuphandsoverO2sensoropeningandgentlyexhaleover

thesensor.

c.Theoxygensensoroutputwilldropbelowthealarmpointof

19.5%andactivatealarms.

d.Ifalarmsaresettolatching,pressthePOWERMODEbutton

toresetalarmsonceoxygenreadingisabove19.5%.

i. Note:YoumayalsoseeslightresponseontheCOgassensorwhen

performingabreathtest.

Quick Reference Guide For Model GX-2009

Turn on and adjust the GX-2009 gas monitor in a known fresh air area.

Quick Reference Guide For Model GX-2009

PN71-0160RKRevP1

RKI Instruments, Inc. 33248 Central Ave, Union City, CA 94587

Phone(510)441-5656•(800)754-5165•www.rkiinstruments.com

5. Sensor Failure

a.IftheGX-2009experiencesasensorfailureduringstartup,the

LCDwillindicateFAILandindicatethesensorthathasfailed.

Example:FAILCOppmSENSOR.Tocontinueoperation

pressandreleasethePOWERMODEbuttontoacknowledge

thefailure.Gasreadingsforthatsensorwillbereplacedby

dashes.

b.Itisnecessarytoreplacesensorandcalibrateassoonas

possible.

6. Display Mode

a.PressandreleasethePOWERMODEbuttontoaccessPEAK

readings.

i. ThiswilldisplaythehighestLEL,COandH2SandlowestO2readings

encounteredwhiletheinstrumenthasbeeninoperation.

ii. ToResetPEAKreadings,pressandholdtheAIRbuttonuntilCLEAR

RELEASEisdisplayed.

b.PressthePOWERMODEbuttonagaintomovetotheSTEL

screen.

i. STELisa15minuteaverageexposureforCOandH2S.

c.PressthePOWERMODEbuttonagaintomovetotheTWA

screen

i. TWAisan8houraverageexposureforCOandH2S.

d.PressthePOWERMODEbuttonagaintodisplaythefullscale

readingsofeachchannel.

e.PressingthePOWERMODEbuttonagainwillreturnyoutothe

normalmeasuringscreen.

7. Resetting Alarms

a.IftheGX-2009alarmsaresetuptolatch,pressandrelease

thePOWERMODEbuttontoresetalarmsoncealarm

conditionhascleared.

b.IftheGX-2009alarmsaresetupforself-resetting,thealarms

willautomaticallyresetoncethealarmconditionhascleared.

8. Turning off the GX-2009

a.PressandholdthePOWERMODEbutton.

b.TURNOFFwillbedisplayedandtheinstrumentwillbeepthree

timesbeforeshuttingdown.

9. Consult the operator’s manual for further

information.

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RKI Instruments GX-2009 Reference guide

Brand: RKI Instruments

Model: GX-2009

Category: Oxygen Equipment

Type: Reference guide

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RKI Instruments GX-2009 Reference guide

RKI Instruments GX-2009 Reference guide

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