Welcome to All Sensors “Put the Pressure on Us” blog. This blog brings out pressure sensor aspects in a variety of applications inspired by headlines, consumer and industry requirements, market research, government activities, and you.
If you had your house painted recently by a good painter, you probably saw, or at least heard, the gas pressure washer used to get the dirt and loose paint off during the prep phase. For do it yourselfers, power washers are either gas or electric powered. Gas-powered models typically have 2,000 to 3,000 psi of pressure compared with 1,000 to 1,800 psi for electric models. If the home owner is cleaning decks, siding or other large areas, the gas-powered unit is recommended. However, the higher pressure from the gas-powered unit comes with higher noise level of 85 decibels (dBA) versus around 78 dBA for an electric model. To address different applications, many units have different nozzles but, in some cases, units may also have an unloader valve for pressure adjustment. Similar to other products that do not have a pressure gauge or a pressure sensor in a control circuit, the manufacture still has to use pressure sensing in the design qualification and quality control aspects of the product.
Image courtesy of NorthStar
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