[Diy_efi] NTK wideband sensor

[steve ravet]

Your post last month showed variation between sensor's Ip at free air. 
How do you claim that you can determine the curve from one sensor?

--steve

Peter Gargano wrote:
> 
> Brian L Massey wrote:
> >
> > ... The only way to get an actual calibration curve, for
> > example, is to get a statistically significant (say at least a hundred
> > or two) sample of sensors ...
> 
> This is completely bogus.
> 
> A single sensor will give you as good a curve as any other. Two hundred
> sensors will give you even more confidence that your single sensor had
> just as good a curve as any of the other.
> 
> If you're talking about how to experimentally determine how the factory
> supplied calibration resistor would be used in a compensation circuit,
> then yes, you may need say 20 or more to be confidant you had cracked
> the mystery. 200? Sounds like a "my sensor inventory is longer than yours"
> pissing competition story.
> 
> Peter.
> 
> --
> Tech Edge Pty. Ltd.     http://techedge.com.au
> 
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-- 
Steve Ravet
steve.ravet at arm.com
ARM,Inc.
www.arm.com

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