All,
First time post - here we go...
I need a simply method to measure milliohms (from 1 to 500). Where most should be around .0045 ohms nominal
I have a DMM which can measure from 2.5V down to 1mv but resolution of ohms is only good to tenth.
The fact is I do not need to know the exact number rather, I need to do a comparison of good and bad. This is to check ground continuity.
The first item that comes to mind is a wheatstone bridge, a small accurate power supply and some good leads. These are available. Can someone give me some pointers on how to complete the rest of the project?
Thanks,
73sport (easy to remember)
First time post - here we go...
I need a simply method to measure milliohms (from 1 to 500). Where most should be around .0045 ohms nominal
I have a DMM which can measure from 2.5V down to 1mv but resolution of ohms is only good to tenth.
The fact is I do not need to know the exact number rather, I need to do a comparison of good and bad. This is to check ground continuity.
The first item that comes to mind is a wheatstone bridge, a small accurate power supply and some good leads. These are available. Can someone give me some pointers on how to complete the rest of the project?
Thanks,
73sport (easy to remember)