DO600 User Manual

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DO600-en-GB_V7.4 12/16

ClearingStoredReadings

1. WiththeunitONpressandholdtheON/OFFbuttonfor4seconds

2. When“clr”isshowninthemaindisplaythememoryiscleared.

MeasurementandDisplayConsiderations

 TheDO600usesapolarographicsensor,whichconsumesoxygenatthesensingsurface.

Thisrequiresaconstantmovementofthesampleacrossthemembranetomaintaina

constantdissolvedoxygenlevel.Itisrecommendedthattheprobebemovedinthesample

asthemeasurementismade,orifin

alaboratoryenvironment,thesamplebestirredusing

astirplate.

 IfyouaremeasuringDOinasmallcontainer,theprobewillconsumeoxygenasitis

measuringandthemeasurementvaluewillcontinuetogolower.

 Iftheunitappearstobelocked(displayfrozen).It

ispossiblethattheDataHoldmodehas

beeninadvertentlyaccessedbyapressoftheMODE/HOLDbutton(HOLDwillbedisplayed

inthebottomleftoftheLCD).SimplypresstheMODE/HOLDbuttonagainorturnthe

meteroffandbackonagain.

 Ifthemeterdoeslatchupandnobuttonpressesreviveit,removethebatteriesandrestart.

 Formaximumaccuracy,allowsufficienttimeforthetemperatureoftheprobetoreachthe

temperatureofthesamplebeforetakingareading.Thiswillbeindicatedbyastable

temperaturereadingonthedisplay.



MembraneMaintenance

Firstuse

Whenyoufirstgotouseanewmeter,youwillneedtoremovethemembranecapand

replaceitwithanewcapfilledwithrefillsolution.

PleaseNote:Theinstallationofabondedcapcausesthemembranetobetightlystreched

overthecathode.Onceabondedcapisremovedreinstallationisnotpossibleasthe

membranewillnolongerbeproperlystrechedoverthecathode.



Storage

Thespongecontainedintheprotectiveelectrodecapshouldbeonlymoistened (notsoaked)

with(distilledwater)orcleantapwater.



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User Manual - Page 7