Extech RF41 Bruksanvisning

Extech Mätutrustning RF41

Läs nedan 📖 manual på svenska för Extech RF41 (1 sidor) i kategorin Mätutrustning. Denna guide var användbar för 2 personer och betygsatt med 4.5 stjärnor i genomsnitt av 2 användare

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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

Produktspecifikationer

Varumärke:	Extech
Kategori:	Mätutrustning
Modell:	RF41

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