User Manual

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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