Extech Instruments EA10 Manual

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EA10 -EN V2.1 1/14

Operation

Connectingthermocouples

1. ThismeteracceptstwotypeKthermocoupleswithspadeplugs(sub‐miniaturetypewithone

spadewiderthantheother).

2. Plugthethermocouple(s)intothemeter'sT1and/orT2thermocoupleinputjack(s).

TurnPowerON

1. Pressthebuttontoturnpoweron.Themeterwillperformashortself‐test.

2. Ifaprobeisnotinsertedtothemeter,an“OL”indicationwillappearonthedisplay.

Selecting°C,°For°Kunitsofmeasure

PresstheC/F/Kbuttontoselectthedesiredtemperatureunitofmeasure.

SelectingT1,T2,andT1‐T2Displays

PresstheT1T2T1‐T2buttontostepthroughandselectadisplayof:

a. T1(thermocouple1)displaysintheupperlargedisplayandT2(thermocouple2)temp.

displaysinthelowersmalldisplay.

b. T1plusT2

c. T1‐T2plusT1

d. T1‐T2plusT2

MIN,MAX,AVGRecordingFunctionwithTimer

PresstheMX/MNbuttontobegincapturingtheMinimum(MN),Maximum(MX),andAverage

(AVG)temperaturevalues.TheElapsedTimeclockwillappearonthelowerleftofthedisplay

andthelowerdisplaywillindicatetheMAXIMUM(MX)valuecapturedsincetheMX/MNbutton

waspressed.

PresstheMX/MN

buttontochangethelowerdisplaytoreflectthestoredMXtoMNandthen

AVGvalueoftheinputselectedintheupperdisplay(T1,T2orT1‐T2).Eachreadingwillbe

accompaniedbyaTimervalueindicatingthetimewheneachreadingwasrecorded.

PresstheTimebuttontochangetheelapsedtimeformatfrommin:sectohour:min.

PressandHoldtheMX/MNbuttonuntilthedisplayreturnstostandardoperationtoexitthe

MX/MNfunction.

DataHold

PresstheHOLDbuttontofreezethereadinginthedisplay.The'H'holdiconwillappearonthe

upperleft‐handsideofthedisplay.PresstheHOLDbuttonagaintoreturntonormaloperation

(the'H'holdiconwilldisappear).

Offset

TheOffsetModepermitstheusertostorethetemperaturereadingasareferencevalueand

comparethisreferencevaluetosubsequenttemperaturereadings.InOffsetmode,themeter

displaystheactualmeasuredtemperatureminusthestoredreferencevalue.

PresstheOFFSETbuttontostorethecurrentlydisplayedtemperaturereadingsand

enterthe

Offsetmode.“OFFSET”willappearinthedisplay.

PresstheOFFSETbuttontoexitthemode.