[Diy_efi] Re: Diy_efi digest, Vol 1 #343 - 8 msgs

Mike erazmus at iinet.net.au
Thu Nov 7 18:36:22 GMT 2002


depends on how exposed it is to environemnt, some resistor
manufacured chemicals (non metal films) are slightly hygroscopic,

but most bosch mafs are well sealed in that gel stuff,

rgds

mike


At 11:36 AM 6/11/2002 -0800, you wrote:
>--- Bill Washington <bill.washington at nec.com.au>
>wrote:
>
>> I would be more concerned about aging of the other
>> resistors in the bridge because they will affect the
>> static balance current, therefore the temperature of
>> the hot wire, therefore the degree of cooling any
>> given airflow causes, and therefore the current
>> change to balance it out and the current change is
>> what is used to determine the airflow!
>
>> Any comments?
>
>I hadn't thought of that.  :D
>
>Yeah, I would be more concerned in the same manner. 
>Although at what age would you become worried about
>component drift in something like a resistor?
>
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