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Category: Education

Why NTC sensors have (almost) replaced Pt100 and Pt1000?

Have you noticed? In the past, Pt100 and Pt1000 probes were a very common choice in electronic boards. Today, in many temperature control applications, NTC thermistors have become the most widely used solution. And yet, at least on paper, they would seem to be the worse choice. Pt100 and Pt1000 are platinum RTD (Resistance Temperature…
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A wrung-out sponge, the analogy used to explain relative humidity and dew point

Let’s control humidity… ok, but which humidity?

Before answering, let’s review a few basic concepts. Relative humidity (RH), expressed as a percentage and displayed on household sensors or weather stations, represents the amount of water vapor in the air relative to the maximum amount the air can contain at that temperature (100%). The term “relative” is no coincidence: the value depends on…
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