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 Post subject: Connecting Analogic
PostPosted: Tue Mar 01, 2011 6:37 pm 
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Joined: Tue Mar 01, 2011 6:24 pm
Posts: 3
Ok so got my Analogic to go with my dual Interceptor setup today and I got a few questions before I move forward. I already have the boost setup that I will be switching over to this gauge. The install seems pretty straight forward.

1. I already have a standard analog fuel pressure setup installed on my truck. I want to make sure but I am figuring all I should have to do is connect one of the analog inputs up to the fuel pressure sending unit.

2. The sending unit I have is a 0-100psi setup (0-10 Bar on it) and I was wondering what the new slope and intercept would be because the instructions don't say how to set up the gauge to read it.


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 Post subject: Re: Connecting Analogic
PostPosted: Wed Mar 02, 2011 10:35 am 
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Joined: Wed Aug 22, 2007 7:02 pm
Posts: 4673
Location: Avon, OH
mdan575 wrote:
Ok so got my Analogic to go with my dual Interceptor setup today and I got a few questions before I move forward. I already have the boost setup that I will be switching over to this gauge. The install seems pretty straight forward.

1. I already have a standard analog fuel pressure setup installed on my truck. I want to make sure but I am figuring all I should have to do is connect one of the analog inputs up to the fuel pressure sending unit.

2. The sending unit I have is a 0-100psi setup (0-10 Bar on it) and I was wondering what the new slope and intercept would be because the instructions don't say how to set up the gauge to read it.


You need to know what the output of the sensor is, (is it our sensor?). 10 bar is actually about 150 psi. Is the output 0-5v, .5 to 4.5, or ? You then have to do the math to figure out what you must multiply the voltage by, and what offset to add, to convert to psi. Our 150 psi sensor for example has a slope of 37.5, and an intercept (offset of -18.7). This means voltage * 37.5 - 18.7 = psi.

Todd

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