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Old 12-10-2012, 08:17 PM
1idejim's Avatar
1idejim 1idejim is online now
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Join Date: Jul 2009
Location: State of Jefferson
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Quote:
Originally Posted by bcg View Post
OK, serious question, are you telling me that the .19 - .21 amps I get for solenoids with my Fluke clamp meter is wrong?
No, i am not saying that. Your reading might be right on for the wire/voltage drop/resistance/temp/inrush holding requirements of the system. You use RB valves and 16/18 ga wire?
Quote:
I use it sometimes with systems where a zone is err'ing out the controller but when I arrive it ohms fine and a reset gets it running again. Some of those solenoids need to get warm before they go short and I do see a slightly higher amp reading on them, which causes me to go ahead and replace them.
As the heat goes up, the resistance goes down.
Quote:
"Good" solenoids always seem to be around .19 - .21 amps but I'm just using a regular Fluke meter, not a leakage meter...
5-6 volt amps, depends on the solenoid specs.

I have a pro-93 LCM and it reads good, i have an excel clamp that i have to wrap the wires. Before i blew my FLUKE 5/600 to the next world i had to wrap the forks to get an accurate measurement.

I never had any luck with a standard meter connected in series.

Hope that the above didn't confuse the question
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