Extech RF41 Manual

Extech Måleudstyr RF41

Læs gratis den danske manual til Extech RF41 (1 sider) i kategorien Måleudstyr. Denne vejledning er vurderet som hjælpsom af 40 personer og har en gennemsnitlig bedømmelse på 4.2 stjerner ud af 20.5 anmeldelser. Har du et spørgsmål om Extech RF41, eller vil du spørge andre brugere om produktet?

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Side 1/1

RF41-en-US_V1.3 3/15

User'sGuide



Battery/CoolantBrix (ATC)Refractometer 



ModelRF41



Introduction

Congratulationson ofyourpurchase thisExtechRefractometer.

Precisionoptical shouldinstruments behandledgently;avoid

touchingtheopticalsurface.Carefuluseoftheseinstrumentswill

provideyearsofreliableservice.

Specifications

Range 0 to‐50ºCPropyleneGlycolfreezepoint

      0 to‐50ºC Ethylene Glycol freeze point

       1.15 to 1.30 specific gravity battery acid

      0 to‐40ºC cleaning fluid freeze point

Resolution1ºC

Dimensions6.3 1.6 1.2" x x(160 40 x x 30mm);

Weight6.4oz.(180g)

Description

1. Eyepiece

2. MirrorTube

3. Adjustmentscrew

4. CoverPlate

5. Prism



Scale



Operation

Thisinstrumentmeasurestherefractiveindexof a sampleand

displaystheresultsinºCorSpecificgravity.

1.ZeroAdjustment

            Cover the prism with a few drops of distilled water. Close the

coverplateandviewthelight/darkboundary(shadowline).If

necessary,turn thetheadjustmentscrewuntil shadowlinealigns

withthescale’szeroline.Thezerocalibrationshouldbe

performedatambienttemperatureandshouldberepeatedevery

30minutesifthe thetemperaturechanges.After zeroadjustment,

cleantheprismwith a softcloth.

2.SamplePreparationandReading

Coverthe theprismwith a few waterdropsofdistilled from 

includedvial. the that theClose coverplateso  liquidspreads

acrosstheentiresurfaceoftheprism     without air bubbles or dry

spots.Allowthesampleto

remainontheprismfor

approximately30seconds.

Whileholdingtheinstrument

under a lightsource,look

throughtheeyepiece.Thebrix

concentrationisdeterminedby

the theintersectionof 

boundaryofthelightanddark

fieldsonthe thescale.If scale

appearsoutoffocus,adjust by rotatingthe theeyepieceuntil 

scaleis in focus.Theinstrumentalsofeaturesaneye‐guard to

preventstray eyepiecelightfromenteringthe andcausing

reflections.

Itmaybe necessary adjust to the thepositionof light tosource 

maximizethe thecontrastof shadowline.Undernormal

conditions,optimalcontrastisobtained by holdingtheinstrument

underneath perpendicularand to a lightsource.

Once been (do a readinghas taken,wipedrywith a cleancloth not

washorrinse)andplace suppliedthe theinstrumentin  plastic

case.Storetheinstrumentin a safe,dryenvironment.



3.AutomaticTemperatureCompensation(ATC)

Temperaturecompensationrelievesthe theuserof responsibility

tomeasuretemperatureandapply a correctionfactorwhen

takingreadings.This    refractometer makes this correction

automatically.      When ambient temperature varies from 20°C,

readings are automatically toadjusted compensatefor

temperaturevariancebetween10°Cto30°C.

Warranty

FLIRSystems,Inc.warrantsthisExtechInstrumentsbranddevicetobefreeof

defectsinparts and workmanshipfor oneyear fromdateofshipment(asixmonth

limitedwarrantyappliestosensorsandcables).Ifitshouldbecomenecessaryto

returntheinstrumentforserviceduringorbeyondthewarrantyperiod,contact

the theCustomerServiceDepartment authorization.for Visit website

www.extech.comforcontact  information. A ReturnAuthorization(RA)number

mustbeissuedbeforeanyproductisreturned.Thesenderisresponsiblefor

shippingcharges,freight,insuranceandproperpackagingtopreventdamagein

transit.This applywarrantydoesnot todefects fromresulting actionoftheuser

suchasmisuse,       improper wiring, operation outside of specification, improper

maintenanceor orrepair, unauthorizedmodification.FLIRSystems,Inc.specifically

disclaimsanyimpliedwarranties merchantabilityor orfitnessfor a specific

purposeand bewillnot liableforanydirect,indirect,incidentalorconsequential

damages.FLIR’s liabilitytotal islimitedtorepair or of replacement theproduct.

Thewarrantysetforthaboveisinclusiveandnootherwarranty,whether written 

or ororal,isexpressed implied.



Calibration, CustomerRepair,and Care

Services

FLIRSystems,Inc.offersrepairandcalibrationservices  for the

ExtechInstrumentsproductswesell.NISTcertificationformost

productsisalsoprovided.CalltheCustomerService

Departmentfor forinformationoncalibrationservicesavailable 

thisproduct.Annual becalibrationsshould performedtoverify

meterperformanceand andaccuracy. Technical support 

generalcustomerservice theisalsoprovided,referto contact

informationprovidedbelow.



Allrightsreservedincludingtherightof orreproductioninwhole in inpart any

form

www.extech.com

X X

12345

Support 439 8324;Lines:U.S.(877) ‐ International:   ‐ +1 (603) 324 7800

TechnicalSupport:Option3; ‐E mail:support@extech.com

Repair & Returns:Option4; ‐E mail:repair@extech.com

Productspecificationsaresubjecttochangewithoutnotice

Pleasevisitourwebsiteforthe datemostup‐to‐ information

www.extech.com

FLIRCommercialSystems,Inc., 9 TownsendWest,Nashua,NH03063 USA

ISO9001Certified

Produkt Specifikationer

Mærke:	Extech
Kategori:	Måleudstyr
Model:	RF41

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