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Member Since: February 7, 2011

Country: United States

  • I agonized over designing a product around this chip or the much more expensive SCP1000. The SCP1000 claims to be accurate to within a 9cm column of air (raise/lower it 9cm for a different altitude reading). I had to do the math on the BMP085 because all they give is an accuracy of 0.03 hPa, that works out to 9.75 inches or 25 cm at sea level, about three times that of the SCP1000 but still fantastically accurate for an altitude based product. If you want to see the math 0.03hPa = 3Pa, and at sea level a foot change equals 3.7Pa

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