DO600 User Manual

Loading ...

DO600-en-GB_V7.4 12/16

Measurements

1. Covertheelectrodewiththeelectrodecap.Thespongecontainedinthecapshouldbe

moistened(notsoaked)with(distilledwater)orcleantapwater.

2. PressingtheON/OFFbuttonturnsthemeterONorOFF.WhenturnedON,themeter’s

displayswitchesonandtheSelfCalibrationutilityruns

(seeabove).

3. Ifthisisthefirsttimethemeterispoweredup,waitapprox.3minutesfortheprobeto

polarize(pleasedisableauto‐poweroff;Instructionsfordisablingauto‐poweroffare

providedinalatersection).Formoredetails,pleasereadtheStartupPolarizationPeriod

paragraph

earlierinthismanualbefore continuing.

4. SelectthedesiredunitsofmeasurebypressingandholdingtheMODE/HOLDbuttonuntil

theproperunitsareshowninthedisplay.Removetheelectrodecoverandplacethe

electrodeinthesampletobemeasured.Stirtheelectrodeinthesampletoremoveany

trappedairbubblesfromthemembranesurface.Donotsubmersetheelectrodetothe

pointthatthesampleliquidreachesthemeter’selectrodecollar.

5. Allowthemetertimetosettletothefinalmeasurementvalue.

Note:Thelargerthedifferenceintemperature betweentheelectrodeandthesolution

the

longeritwilltakeforthereadingtostabilize.Stabilizationtimecanvaryfromthirty(30)

secondstofive(5)minutes.

MeasurementUnits

Themetercanbesettomeasureeither%saturation,mg/l,orpartspermillion(ppm).

Tochangethemode:

1. PressandholdtheMODE/HOLDbuttonfor2secondsandthedisplaywillbegintoscroll

throughthedifferentunitsofmeasure:

%saturation;D.O.inmg/l;D.O.inppm

(partspermillion)

2. Whenthedesiredunitsaredisplayed,releasetheMODE/HOLDbuttonandtheunitwill

returntonormaloperatingmode.

Note:The“HOLD”functioncannotbeonwhenchangingthemeasurementfunction.If“HOLD”

isdisplayedinthelowerleftcornerofthedisplay,brieflypressthe

MODE/HOLDbuttontoturn

itoff.

TemperatureUnits(ºF/ºC)

1. WiththeunitOFF,pressandholdtheCAL/RECALLbutton.

2. WiththeCAL/RECALLbuttondepressed,momentarilypresstheON/OFFbuttontoturnthe

unitON.

3. TheCAL/RECALLbuttoncanbereleasedwhen‘SelfCal’isshowninthedisplay.

SalinityCompensation

1. WiththeunitON,momentarilypresstheCAL/RECALLbuttontwiceinquicksuccession

(‘SAL’isshowninthelowertemperaturedisplay).

2. MomentarypresstheMODE/HOLDbutton.EachpressoftheMODE/HOLDbuttonincreases

thecompensationby1ppt(partperthousand);theavailablerangeis0to50ppt.

3. Momentarily

presstheCAL/RECALLbuttontosavethecompensationsettingandreturnto

thenormalmeasurementmode.

Loading ...

User Manual - Page 5