User manual

MA160‐en‐GB_V1.010/15
17
DiodeTest
1. InserttheblacktestleadbananaplugintothenegativeCOMjackandtheredtest
leadbananaplugintothepositivejack.
2. Turnthefunctionswitchtoposition.UsetheMbuttontoselectthediodefunction,the
diodeandvoltagesymbolswillappearontheLCD
wheninDiodetestmode.
3. Touchthetestprobetipstothediodeorsemiconductorjunctionundertest.Notethe
meterreading.
4. Reversethetestleadpolaritybyreversingtheredandblackleads.Notethisreading.
5. Thediodeorjunctioncanbeevaluatedasfollows:
 If
onereadingdisplaysavalue(typically0.400Vto0.900V)andreversereadingdisplays
OL,thediodeisgood.
 IfbothreadingsdisplayOLthedeviceisopen.
 Ifbothreadingsareverysmallor‘0’,thedeviceisshorted.

Fig4‐8DIODETESTING