Product Manual

EXTECHINSTRUMENTS
4SDL900‐en‐GB_V1.57/16
Operation
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AC/DCMagneticFieldMeasurement
SwitchthemeterONbypressingandholding thePOWERbutton foratleasttwoseconds.Press
andholdtheFUNCTIONbuttontoselecteitherDCorACmagneticfield measurement.Pressand
hold the RANGE button until the desired range (1 or 2) is selected. Select the desired unit of
measure(mTorG).
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ForDC magnetic field measurements, the display willshow either the N or Sindicator. For the
North Pole, the N indicator will be shown. Similarly, for the South Pole, the S indicator will be
shown.ForACmagneticfieldmeasurements,the displaywillshowthe
ACindicator.Thedisplay
willnotshowtheNorSindicator.
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Contactand press the testing materialto the  probe head (see Fig 1). The display will showthe
magneticfieldvaluealongwiththemeasurementunit(mTorG).

Figure1
Note:
WhenthemeterispoweredON,thedisplaymayshowanon‐zerovalue;thisisbecauseof
environmentalinterference.Beforetakingameasurement,settheprobeattheoptimum
position.ToZerothedisplay,pressandholdthe▲and▼buttonsuntilthedisplay showsthe
“0”value
andthedisplayflashestheZEROindicator.Themeterisnowzeroed.
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DataHold
Duringthemeasurements,presstheHOLD buttontofreezeadisplayedreading.Themeasured
value will be held and the LCD will display the HOLD symbol. Press the HOLD button again to
releasethedataholdfunction.
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