Extech Instruments AN100 Manual

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AN100-en-GB_V3.5 6/15

Keypad

• AUTOPOWEROFFPresstoturnthe meterONorOFF

• MAX/MIN(forAirflow/AirVelocity)Usedtorecordandstorethehighest,lowestandaverage

airfloworvelocityreadings.

◄(LEFT)alsoservesaschangedecimalpointbuttoninAREAmode

• UNITSPresstoselectthemodeof

operation.InFLOWmode,themeterdisplaysairvolume.In

VELOCITYmode,themeterdisplaysairspeed.

▲(UP)alsoservesasincreasenumberbuttoninAREAmode.

• AVGUsedtoAveragemultiplereadingsinFLOWorVELOCITYmode.Upto20readingscanbe

averaged.

• HOLDPress

tofreezethedisplayedreading.Pressagaintounlockdisplay.Thisbuttonalso

functionsasthe►RIGHTscrollbuttoninAREAmodeandRECALLmode.

• AREAPressandholdtomanuallyentertheareaofaductinCFMorCMMmode

• NEXTInAREAmode,usedto

selectmemorylocations1‐8.

• Presstoturnthebacklighton/off

• MAX/MIN(Temperature) Usedtorecordandstorethehighest,lowestreadingsforair

temperature.

• °C°FHOLD(Temperature)Presstofreezethedisplayedtemperaturereading.Pressagainto

unlockthedisplay.Pressandholdfor3secondstoswitchbetween°Cand°F.Meterwillbeep

twicetoindicatechang e.

The

Batterycompartmentislocatedonthebackoftheinstrument.Therubberprotectivejacket

mustberemovedfromthemetertoaccessthecompartment.