Call For Admission - 9644139972

Advance Mobile Repairing Hardware & Software Complete Guide

Saturday, 17 June 2017

How to Check Transistor by digital multimeter -english













How to Check Transistor by digital multimeter -TESTING

Transistor Check







Step -1

Set Multimeter at Buzzer Range.

Digital meter-1000x1000 (4)




Step -2

Black probe touch with base terminal and red probe touch one by one with collector & emitter Multimeter are showing reading  means transistor is ok condition.

transistor1





Again touch red probe with base and black probe with one by one with collector and emitter than multimeter are showing  no reading means value one means transistor is ok 

Transistor is PNP

transistor1111.jpg 






Step -3

Red probe touch with base terminal and Black  probe touch one by one with collector & emitter  Multimeter are showing reading  means transistor is ok condition. 


Again touch Black probe with base and Red  probe with one by one with collector and emitter than multimeter are showing no  reading means value one  transistor is ok .


Transistor is NPN 






Step -4

Touch one  Probe with Base and one probe with collector & emitter. Multimeter are showing value 1 means transistor is open 





Step -5

Touch one  Probe with Base and one probe with collector & emitter. Multimeter are showing beep sound means transistor is short 


 


Copyright by Asia Telecom ,Created By Asia Telecom. Powered by Blogger.