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???
03/13/06 16:53
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#112085 - resolution
Responding to: ???'s previous message
Erik Malund said:
to a maximum of 10000rpm. ... So i decided to go for lesser accuracy... 10rpm is that do
that is a precision of 0.1% that is shooting for the moon.


You can easily get sub fractions of an RPM ACCURACY, but what RESOLUTION is meaningful, like Erik says, filtering is very important, 10RPM resolution should be fine for anythng but idling - but when idling and adjusting timing extra resolution would be nice to have. At 500 RPM 10 RPM is 2% of your reading. At 10,000 RPM its 0.1%.

Steve


List of 14 messages in thread
TopicAuthorDate
tachometer "which one is best"            01/01/70 00:00      
   > Which accuracy do you expect?            01/01/70 00:00      
      accuracy            01/01/70 00:00      
         Both are acceptable            01/01/70 00:00      
   Actually, the choice is only related to            01/01/70 00:00      
      mobike plug            01/01/70 00:00      
         shooting for the moon            01/01/70 00:00      
            resolution            01/01/70 00:00      
               Cleaning input signal            01/01/70 00:00      
                  How do you propose to get the signal?            01/01/70 00:00      
                     inductive pickup            01/01/70 00:00      
                  cleaning input signal from the spark plu            01/01/70 00:00      
                     yes, mistype            01/01/70 00:00      
   None of them            01/01/70 00:00      

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