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In order to measure 0,101Ohm, it lacks resolution.To be 1% it would have to be between 0.099 and 0.101.
You cannot have more accuracy than you have resolution. But the reverse is not true.In order to measure 0,101Ohm, it lacks resolution.
What parameter of the transistor is the transistor tester measuring?Hi all
Who was interested in what the measurement accuracy in the transistor tester?
In my opinion, it’s not very bad,at about 1%.
What parameter of the transistor is the transistor tester measuring?
Don't think so. The resistance of a semiconductor varies with the voltage of the ohmmeter. It does not follow Ohm's law.Resistance :-?
Don't think so. The resistance of a semiconductor varies with the voltage of the ohmmeter. It does not follow Ohm's law
Personally I'd use a resistance meter to test a resistor and leave 'that' particular test device for what it was originally intended - semiconductors.
Exactly.
We haven't seen any measurements you'd typically associate with a transistor.
But I know these devices do them.
Of what they test, I'm not sure you need any particular level of accuracy. Even if you want to find closely matched devices, all you need is something which produces repeatable (and possibly reasonably precise) results, not necessarily highly accurate ones.
Nope, the screen (LCD) display is that of one of those cheapo Chinese 'multi-tester' devices.The OP wrote "transistor tester". Perhaps he meant transistorized tester (ohmmeter).
Ratch
Resistance.What parameter of the transistor is the transistor tester measuring?
Ratch