The SMART Position Sensor, 75 mm Linear Configuration, is Honeywell's first non-contacting linear position sensor that allows unparalleled accuracy and reliability in applications that require measurement of any linear movement. This sensor is considered smart because it can essentially think for itself. It has the ability to self-calibrate because it uses a patented combination of an ASIC and an array of magnetoresistive (MR) sensors to accurately and reliably determine the position of a magnet attached to a moving object so that the object's position can be determined. With this sensor, Honeywell has utilized MR technology through the ASIC at a level never before accomplished. These devices are designed for potential industrial, medical, and aerospace applications. Tuesday, September 29, 2009
Honeywell Sensing and Control SMART Position Sensor
The SMART Position Sensor, 75 mm Linear Configuration, is Honeywell's first non-contacting linear position sensor that allows unparalleled accuracy and reliability in applications that require measurement of any linear movement. This sensor is considered smart because it can essentially think for itself. It has the ability to self-calibrate because it uses a patented combination of an ASIC and an array of magnetoresistive (MR) sensors to accurately and reliably determine the position of a magnet attached to a moving object so that the object's position can be determined. With this sensor, Honeywell has utilized MR technology through the ASIC at a level never before accomplished. These devices are designed for potential industrial, medical, and aerospace applications. 
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2 comments:
Hi
I need something like this, but need more info about the measurement resolution/accuracy.
My requirements are to accurately measure along a 5cm strip with a resolution of at least 160 evenly spaced distance measurements along that 5cm strip.
A small magnet (about 2mm square) would slide past the detecting strip with a gap of up to 1 mm.
Is that within the ability of this device?
Or can you suggest a better device for this purpose?
Thanks for your help,
Mark
Hi Mark--
Thanks for your note! Sorry for the delay in responding. The answer we received from Honeywell is:
We believe you are referring to our 75 mm linear SPS. The air gap but we recommend that you tests it in his application to see if it works for his needs. 5 cm divided by 160 points gives a resolution of .0003125 m. Our stated resolution is 0.05 mm, or 0.00005 m, so he should be fine.
However, our sensor is not divvied up into “buckets” – he would have to do that himself aligning the “160 buckets” to our sensor output.
It may be best to contact Honeywell directly at Info.Sc@honeywell.com to give/receive more detailed information.
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