So i was reading up on some german speaking boards out in good old germany...
12-11-2007, 10:26 AM
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So i was reading up on some german speaking boards out in good old germany...
... and some of them run the Motorola MPX4250AP 300kPa map sensor. Interesting.
12-11-2007, 10:33 AM
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Update.... Motorola MPXH6300
Hmmm.... what do you guys think about this ?
<i>MAP (Manifold Absolute Pressure) sensor
* 250 kPa sensor can be used for up to 1.5 bar boost.
* 300 kPa sensor (MPXH6300) for up to 2 bar (29 psi) boost.
* 400 kPa sensor (MPXH6400) is for up to 3 bar (42.5 psi) boost
It is recommended to leave 20 kPa margin for boostcontrol (overshoot, or during tuning), so beyond 130 kPa boost (=1.3 bar = 18 psi) min 300 kPa recommended (not the 250 kPa). All of them have very fast response (1 msec) analog 5V output (more exactly 0.2 -> 4.8V for 20kPa absolute -> max pressure). "Absolute" means that they measure relative to vacuum. At (appr 101 kPa athmoshperic pressure, eg. with engine off) they output nonzero voltage; output voltage goes lower when the engine pulls some vacuum, and higher during boost.
* 5V supply
* 12V supply (6.5 .. 15V)
* The bare version comes without packaging. Recommended for fitting inside the ECM case (eg. Alubos). Note that the sensor nipple is for the 5/3mm tube, so you likely want the matching VIV type pneumatic connector (VIV5353 or VIV6453: that is 5/3mm on one end and 5/3mm or 6/4mm on the other end)
* "6/4mm MAP connection": NEW: packaged version. Rugged, splash-proof packaging with embedded 5-pin male sealed sensor connector A matching female connector is included. The pneumatic connector for 6/4mm tube is more common;
* "5/3mm MAP connection" : same packaged (splash-proof, with embedded male connector and matching female included) version as above, but with the smaller pneumatic connector for 5/3mm tube.
* "bare-pack" : You can also order a pack of 5 PCB-s, populated with everything except the sensor. It can be used to mount existing sensors, or for prototyping (it has a regulator, throughole and SMD pads. Please don't abuse the engineering sample service of Freescale.
* NEW: 250 kPa , 5V supply sensor packaged in box with 6/4mm nipple.</i>
<i>MAP (Manifold Absolute Pressure) sensor
* 250 kPa sensor can be used for up to 1.5 bar boost.
* 300 kPa sensor (MPXH6300) for up to 2 bar (29 psi) boost.
* 400 kPa sensor (MPXH6400) is for up to 3 bar (42.5 psi) boost
It is recommended to leave 20 kPa margin for boostcontrol (overshoot, or during tuning), so beyond 130 kPa boost (=1.3 bar = 18 psi) min 300 kPa recommended (not the 250 kPa). All of them have very fast response (1 msec) analog 5V output (more exactly 0.2 -> 4.8V for 20kPa absolute -> max pressure). "Absolute" means that they measure relative to vacuum. At (appr 101 kPa athmoshperic pressure, eg. with engine off) they output nonzero voltage; output voltage goes lower when the engine pulls some vacuum, and higher during boost.
* 5V supply
* 12V supply (6.5 .. 15V)
* The bare version comes without packaging. Recommended for fitting inside the ECM case (eg. Alubos). Note that the sensor nipple is for the 5/3mm tube, so you likely want the matching VIV type pneumatic connector (VIV5353 or VIV6453: that is 5/3mm on one end and 5/3mm or 6/4mm on the other end)
* "6/4mm MAP connection": NEW: packaged version. Rugged, splash-proof packaging with embedded 5-pin male sealed sensor connector A matching female connector is included. The pneumatic connector for 6/4mm tube is more common;
* "5/3mm MAP connection" : same packaged (splash-proof, with embedded male connector and matching female included) version as above, but with the smaller pneumatic connector for 5/3mm tube.
* "bare-pack" : You can also order a pack of 5 PCB-s, populated with everything except the sensor. It can be used to mount existing sensors, or for prototyping (it has a regulator, throughole and SMD pads. Please don't abuse the engineering sample service of Freescale.
* NEW: 250 kPa , 5V supply sensor packaged in box with 6/4mm nipple.</i>
12-11-2007, 11:37 AM
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VEMS sells them ready to go too
choose your diameter and of you go<ul><li><a href="http://shop.vems.hu/catalog/product_info.php?cPath=1_12&products_id=89">ht tp://shop.vems.hu/catalog/product_info.php?cPath=1_12&products_id=89</a</li></ul>
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