The only time your average individual worries about the moisture content of their grain products is when he or she is trying to prepare a meal with it. But even then, most people would only go so far as to test the rice before boiling it from time to time. However, it is a whole different story for those people who produce grain. Since the moisture content of grain could easily affect its sale weight, as well as the quality, and the ability to be stored long-term, it isn't particularly surprising that those who grow and sell grains tend to strictly monitor the moisture content of their future product in order to have the ability to control the final outcome. And there's no better way to do that than using a grain moisture tester. Of course, there are other testing methods out there, but all of them tend to trail behind when it comes to speed, precision, convenience, and versatility. Now, these things aren't cheap, but they will definitely save you a considerable amount of money in the long run.
Like we said earlier, these testers are generally used by professionals, so if you do not have anything to do with the agriculture industry, you might want to look for a different kitchen appliance, like a coffee grinder or a bread maker.