3bar correct calibration
05-12-2013, 06:40 AM
#2
Looks like that sensor is 40 and 304. I've used as low as 10 for the offset. You just want to make sure your Kpa at key on engine off (baro) is accurate for your altitude. Approx 103 for sea level.
You could also put a vacuum/pressure gauge on it, if you want to get real accurate, and make sure it corresponds to your scan pid.
You could also put a vacuum/pressure gauge on it, if you want to get real accurate, and make sure it corresponds to your scan pid.
05-12-2013, 07:10 AM
#3
Looks like that sensor is 40 and 304. I've used as low as 10 for the offset. You just want to make sure your Kpa at key on engine off (baro) is accurate for your altitude. Approx 103 for sea level.
You could also put a vacuum/pressure gauge on it, if you want to get real accurate, and make sure it corresponds to your scan pid.
You could also put a vacuum/pressure gauge on it, if you want to get real accurate, and make sure it corresponds to your scan pid.
05-12-2013, 09:05 AM
#4
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That part number on my schematic spreadsheet shows the 0v = 1.11kPa and 5v = 315.58kPa....
12580698 2bar 8kpa 208kpa v=5(0.005*P-0.04)
12615136 2bar 8kpa 208kpa v=5(0.005*P-0.04)
09350899 2bar 8kpa 208kpa v=5(0.005*P-0.04)
16235939 2bar 8kpa 208kpa v=5(0.005*P-0.04)
09373269 3.3bar 36.66kpa 370kpa v=5(0.003P-0.11)
12223861 3bar fat 1.11kpa 315.58kpa v=5(0.00318P-0.00353)
12219935 3bar fat 43.24kpa 313.51kpa v=5(0.0037P-0.16)
12580698 2bar 8kpa 208kpa v=5(0.005*P-0.04)
12615136 2bar 8kpa 208kpa v=5(0.005*P-0.04)
09350899 2bar 8kpa 208kpa v=5(0.005*P-0.04)
16235939 2bar 8kpa 208kpa v=5(0.005*P-0.04)
09373269 3.3bar 36.66kpa 370kpa v=5(0.003P-0.11)
12223861 3bar fat 1.11kpa 315.58kpa v=5(0.00318P-0.00353)
12219935 3bar fat 43.24kpa 313.51kpa v=5(0.0037P-0.16)
05-12-2013, 09:31 AM
#5
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That part number on my schematic spreadsheet shows the 0v = 1.11kPa and 5v = 315.58kPa....
12580698 2bar 8kpa 208kpa v=5(0.005*P-0.04)
12615136 2bar 8kpa 208kpa v=5(0.005*P-0.04)
09350899 2bar 8kpa 208kpa v=5(0.005*P-0.04)
16235939 2bar 8kpa 208kpa v=5(0.005*P-0.04)
09373269 3.3bar 36.66kpa 370kpa v=5(0.003P-0.11)
12223861 3bar fat 1.11kpa 315.58kpa v=5(0.00318P-0.00353)
12219935 3bar fat 43.24kpa 313.51kpa v=5(0.0037P-0.16)
12580698 2bar 8kpa 208kpa v=5(0.005*P-0.04)
12615136 2bar 8kpa 208kpa v=5(0.005*P-0.04)
09350899 2bar 8kpa 208kpa v=5(0.005*P-0.04)
16235939 2bar 8kpa 208kpa v=5(0.005*P-0.04)
09373269 3.3bar 36.66kpa 370kpa v=5(0.003P-0.11)
12223861 3bar fat 1.11kpa 315.58kpa v=5(0.00318P-0.00353)
12219935 3bar fat 43.24kpa 313.51kpa v=5(0.0037P-0.16)
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09-06-2013, 04:28 AM
#6
I'm going to bump this thread up just so I understand this correctly. The linear value is going to be 304kpa or 315.58kPa for part number 12223861? With the data the Delphi supplies, (304-40)/(5.044-.761) = 61.639 kpa per volt. So at 5v*61.639, I'm getting 308.195kpa.. Is this the correct way of finding the linear value?
And the offset is adjusted until the correct atmospheric pressure is displayed based on your elevation? Using Delphi's data, I got 1.11 for the like James did
And the offset is adjusted until the correct atmospheric pressure is displayed based on your elevation? Using Delphi's data, I got 1.11 for the like James did
Last edited by oakley6575; 09-06-2013 at 04:59 AM.
