[T3] TB Info?
Max Welton
max.welton.2k at gmail.com
Wed Mar 16 11:46:04 PDT 2022
>I'm not sure what a bias resistor would be. If it was in serise, zero is
the right
>number to enter, but if it was parallel then infinity would be correct.
Over on the msextra forum James Cortina replied
"Typically a bias resistor that equals the sensor resistance at ambient
temperature will work."
And Matt Cramer (of DIY Autotune) posted
"Also - if you're using an already assembled MegaSquirt, the bias resistors
are 2490 ohm unless you have swapped it for something different."
With some trial and error I found the following works pretty well for this
sensor:
@38-F (ice-water) => 648 ohms
@60-F (ambient) => 395 ohms
@198-F (water boiling at 7500') => 35 ohms
And a bias resistance value of 3250 ohms.
Tuner Studio does have a preset for the temp-sensor II, btw.
Max
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