Modern Sporting Rifle Evolution
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jwtharpe

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Reply with quote  #1 
This is how I do it. 
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The one on the left is a pre-made gauge from RSI. It will not fit under a barrel nut. 

http://www.vishaypg.com/micro-measurements/

You will need molex JST 2pin micro connectors that match what RSI uses. They can be found at Amazon for cheap. 
Also need some mylar and nonconductive epoxy or glue. The mylar goes under the exposed solder joint and wire. You pot the top with the glue or epoxy.

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The connector is epoxied to the barrel and all exopsed parts are covered with epoxy to prevent corosion, and damage from installing the barrel nut. Test to make sure the male connector will go into the female. Once you have the male plugged in, check the resistance across the leads. It should be 350 ohms +/_ 1%. If no resistance, then your wires are broken, or glue in a connector. If reading is way less than 350 ohms, its shorted and could damage your sampling unit. 
DO NOT PLUG IN IF READING IS LOW!

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MDWS

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Reply with quote  #2 
Nice.  
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BIGGDAWG

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Reply with quote  #3 
Sweet JW. thanks for sharing.
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RangerJoe

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Reply with quote  #4 
The Scientist at work and play....
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