Support User Manuals

RayTek FA Thermometer User Manual

Open as PDF

of 67

Operation

28 MarathonSeriesFA/FR



Theslopeisthedecidingparameterformeasurementsin2‐colormode!Theemissivity

affectsonlymeasurementsin1‐colormode.

Forinformationondetermininganunknownslope,andforsampleslopes,refertosection

11.3Typical

Slopes,p.

56.

Tochangetheunit’sslopesetting,completethefollowing:

1. Makesurethe2CLEDislit.

2. PresstheModebuttonuntiltheЄLEDislit.Thecurrentslopevalueshowsonthedisplay.

3. Pressthec ord buttontochangethevalue.

4. Pressthe

ModebuttonseveraltimesuntiltheCorFLEDislit.Thedisplayedtemperature

willnowbebasedonthenewslopevalue.

6.2.42C/1CSwitch

Toswitchbetween2‐colorand1‐colortemperaturemeasurementpushthe2C/1Cselectorbutton.Alit

LEDindicatestheactivemeasurementmethod.SwitchingaffectstheLEDdisplayandanalogoutbut

nottheRS485out.

6.2.5PeakHold(PKH)

WithPeakHold,therespectivelastpeakvalueisheldforthedurationofHoldTime.

TosetandactivatePeakHold,dothefollowing:

1. PresstheModebuttonuntilthePKHLEDislit.

2. Pressthecbuttontobothsetandactivate.Thedisplayreadsin0.1

seconds.SetPeakHold

from0.1to299.9seconds.IfPeakHoldissetto300.0seconds,ahardwareresetisneededto

triggeranotherreading.IfPeakHoldissetto0.0seconds,thefunctionisdeactivated.

3. PresstheModebuttonuntiltheCor FLEDislit.

IfPeakHoldhasbeenactivated,thePeak

LEDwillstaylit.

OncePeakHoldissetabove0,itautomaticallyactivates.Theoutputsignalremainsthesameuntilone

oftwothingshappens:

• Thepeakholdtimerunsout.Inthiscase,thesignalrevertstoactualtemperature.

•

The actual temperature goes above the hold temperature. In this case, starts holding new

peak.

Notethatotherholdfunctions(likeValleyHoldorAveraging)cannotbeusedconcurrently.

Bymeansofthesoftwareotherholdfunctionsareadjustable(e.g.AdvancedPeakHold).

6.2.6Averaging(AVG)

Averagingcanbeusefulwhenanaveragetemperatureoveraspecificdurationisdesired,orwhena

smoothingoffluctuatingtemperaturesisrequired.

The averaging algorithm simulates a first order low pass RC filter whose time constant can be

adjustedtomatchthe user’saveragingneeds.Thefollowing figureillustrates an

averagingoutput

signal.

previous next