System monitor with instrumentation-grade accuracy used to measure relative humidity
Leo Chen
Abstract
A system monitor with instrumentation-grade accuracy that can be used to measure relative humidity is described.
Keywords
Psychrometer
relative humidity
LTC2991 system monitor
Because much can be deduced about a physical system by measuring temperature, it is by far the most electronically measured physical parameter. Selecting a temperature sensor involves balancing accuracy requirements, durability, cost and compatibility with the measured medium. For instance, because of its low cost, a small-signal transistor such as the MMBT3904 is an attractive choice for high volume or disposable sensing applications. Although such ...
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