Products > Test Equipment
Lower voltage for resistance measurement for FLuke 289
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tonycstech:
I dont have any problems with any cheap chinese multimeters to measure resistance on a complete semiconductors circuit, any of them
But there is one particular that throws the reading off significantly which makes be believe there is a problem.
So if i cannot trust FLUKE for giving me expected reading while chinese junk does, i have no point to continue with this conversation because solutions are rather absurd.
Anything from starting from adding resistors all the way to making my own multimeter.
What is the point to pay premium for Fluke then ? Absolutely no point at this point.
J-R:
Spot on, that junk 289 is broken, better dump it: https://www.eevblog.com/forum/buysellwanted/
TimFox:
Different instruments connected to a given non-linear circuit will give different answers for the ratio V/I, if I is different for the two meters.  Why would your cheap meter give the better or more accurate value for an ill-defined parameter?  Not every object between two terminals is an Ohmic resistor.
tonycstech:
its not broken. I've seen bench meters do same thing, giving me weird readings.
Only cheap chinese meters or smaller cheaper meters can measure it correctly.
tonycstech:

--- Quote from: TimFox on September 28, 2024, 10:11:10 pm ---Why would your cheap meter give the better or more accurate value for an ill-defined parameter?  Not every object between two terminals is an Ohmic resistor.

--- End quote ---
I dont know why. All i know is: there are hundreds if not thousands of people who use hundreds of different multimeters and they all report same values as my cheap junk.
Yet Fluke reports completely different value, much lower.
To me this sounds like a FLUKE problem than the circuit.
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