Pressure Sensor MPXV7002DP
£8.99 ex VAT
RETIRED PRODUCT - We've stopped stocking this product or it has been retired by the manufacturer and is no longer for sale. This page remains available for its resources and as a source of potential interest.
This is a dual port pressure sensor from Freescale. It takes a 5 volt supply and gives an output between 0.5 and 4.5 volts. The output is proportional to the difference between one pressure input and the other.
Does this arrangement ring any bells? You betcha - it's exactly the same as is used on the biggest aircraft (and the smallest) to measure airspeed and altitude.
You can read more about how it works in this Wikipedia entry.