All Questions
Tagged with test multimeter
11
questions
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Question on testing transistor TIP120 NPN using multimeter
Could someone please help to confirm if these values for a TIP120 NPN transistor based on the diode setting of my multimeter, indicate any potential fault?
Base (Positive) with Emitter (Negative): 0....
- 11
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How would I test forward voltage?
I tried to test an LED but my multimeter only displays 0L. Does anybody know what to do if it doesn’t have a select button?
2
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2
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7k
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How do we test and determine if a USB cable+connector is version 2, 3.0 or 3.1?
How do we test and determine if a USB cable+connector is version 2, 3.0 or 3.1, without using port, PC and/or having data transfer but instead with basic physics tests e.g. using multimeter?
user154285
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2
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How to test a TRIAC with just a digital multimeter and no external circuit
I need to fix an electric kettle and would like to test the health of the TRIAC BTA20. How would you test this component health with a digital multimeter - without any extra components and ideally ...
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Continuity testing - Why does swapping DMM probes give differing results?
Continuity query - Can anyone explain this?
Circuit is a simple 12v DC, wired as follows -battery pos to bulb to spst switch back to battery earth. Testing with DMM in the dedicated audible ...
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2
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2
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3k
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Test a transistor with a multimeter
I used the guide at https://vetco.net/blog/test-a-transistor-with-a-multimeter/2017-05-04-12-25-37-07 to test a transistor with my DMM. The NPN transistor I used to test is the "mospec tip130 No11D" ...
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Should I get a multimeter to check size of voltage to avoid damaging a logic analyser?
I am looking into getting a Saleae logic analyser for a project to reverse engineer an electronic display and buttons for use with a RaspberryPi.
I think it should be OK as I would doubt, by my own ...
19
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What is Full form of hFE of a digital multimeter?
In digital multimeter, there is a transistor-check function, and there is a term hFE. I do-not know how-to use-it, however, different Websites say it is a measurement transistor's gain ("the ratio of ...
user107801
-1
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2
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How do I identify a burnt out component? [closed]
I was given a project completed by another group, they had left school and I was taking over the project from them, with the information that it is not working properly because "something burnt out or ...
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5
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Applying load when testing battery voltage
Why do we need to apply a load to a battery when testing its voltage?
I've been testing battery capacity so far using a multimeter and just connecting the probes to the positive and negative side of ...
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13
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3
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How to check if my multimeter's fuse is damaged?
I recently bought a cheap multimeter. I played around measuring stuff on simple circuits and I think I managed to damage it as I don't seem to be able to measure current anymore (always get zero ...
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