Quote:
Originally Posted by Altronics
PerformAIRE weather stations are the only patented system that has a Density Altitude calculation specific for determining horse power in an internal combustion engine. It is critical to measure the amount of oxygen and the amount of water in a sample of air in order to determine correctly how it will effect the change in horsepower.
Systems that are designed for hiking, aviation, sailing, etc that are not licensed by Altronics can only calculate "text book" Density that will not always correctly relate to horsepower changes. Although it may seem ok under minimal or similar changes in atmosphere it will prove inaccurate as conditions change.
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