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-   -   Fuel Pressure Sensor for LM-1 Data logger (https://classracer.com/classforum/showthread.php?t=34608)

Grant Eldridge 07-11-2011 11:08 PM

Fuel Pressure Sensor for LM-1 Data logger
 
Looking for a sensor to hook up fuel pressure monitoring to my Innovate LM-1 data logger. I've been able to monitor oil pressure with a small 1/8" pipe threaded sensor that is 0-100lbs and is powered by a 5 volt supply I've built into the car, but this sensor is not sensitive enough in the 0-10 lb. range to get adequate readings for fuel pressure. Has anyone had any luck finding a source for a sensor at reasonable (low) cost that will work? There is a Racepack one available, but at $250. way over my limited budget. I lucked out with surplus sensors someone was selling online for the oil pressure, does anyone have an idea for something similar for the fuel pressure? The oil pressure one I have plugs in with a NAPA available map sensor plug, quite small in size and looks/works well. Any thoughts? Suggestions appreciated!
This thing needs to output a signal of 0 at lowest pressure to no more than 5 volts at maximum pressure, with a 5 volt power input and a ground. Probably could work ok with a bit higher range like 0-20 as long as I can map out a voltage chart per pound of pressure increase for the software to interpret in that 0-5 volt range. Thanks!

Grant Eldridge
E/SA 6650

Darcy Clarke 07-12-2011 12:21 AM

Re: Fuel Pressure Sensor for LM-1 Data logger
 
I used autometer 1/8" electric sender and fed it 5 volts and used mechanical gauge to set the parameters.

Darcy Clarke
6254
AA/SA SS/JA

MOTORSPORTS Innovations 07-12-2011 09:27 AM

Re: Fuel Pressure Sensor for LM-1 Data logger
 
I have a great supply of 0-5 volt sensors that work on any data system. In fact, Innovate and some others buy sensors from me for their kits.

a 0-25 PSI sensor is $130

Pressure: http://www.motorsportsinnovations.com/WB_Pressure.htm

Travel: http://www.motorsportsinnovations.com/wb_Travel.htm

R. Thorne 07-12-2011 11:13 AM

Re: Fuel Pressure Sensor for LM-1 Data logger
 
Would this work? 30-2131-15g (aem performance electronics about $60). Specs are on the web site. Ron.

Gauge guy 07-12-2011 05:24 PM

Re: Fuel Pressure Sensor for LM-1 Data logger
 
Grant,

We offer a 0-15 psi sensor, part number 2245, which is .5 volts at 0 and 4.5 volts at 15 psi. This can be purchased through anyone that sells Auto Meter.

Grant Eldridge 07-12-2011 08:14 PM

Re: Fuel Pressure Sensor for LM-1 Data logger
 
Thanks for all the help! Looks like the AEM unit is the most cost effective and comes with a voltage/psi spec chart to enter into the software, as well as the connector pigtail all for around $60. There's even an AEM dealer near here, so should solve my problem, or they sell direct online. Much appreciated, all who replied!
Grant Eldridge
E/SA 6650

R. Thorne 07-12-2011 10:13 PM

Re: Fuel Pressure Sensor for LM-1 Data logger
 
Make sure you order the 30-2131-15g and not the 30-2131-15 (absolute pressure) . Let me know if this works for you as I will be doing the same thing in a week or so. Ron.


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