Extech Instruments 382357 Specifications download pdf (Page 10)

382357‐EU‐ENV2.42/13

ReferenceTestLoop

Thereferencetestloopisasetofresistorsthatprovidesameanstochecktheperformanceof

themeter.

1. Openthemeasurementjawsandcheckthatthematingsurfacesarecleanandfreeofdust,

dirt,oranyforeignsubstances.Cleanifnecessary.

2. Clampthemeteraroundthereferenceloopasshowninthediagram.

3. Givethemeterafewsecondstosettleandreadthemeasurement.Themetershould

displayapproximatelythesamevalueasmarkedonthereferenceloop,takinginto

considerationtheaccuracylistedinthespecificationchart.Ifthereadingsarenotsimilarto

whatismarkedonthereferenceloop,consult

theTroubleShootingandMaintenance

sectionsofthismanual.

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Extech Instruments 382357 Specifications Page 10