Pressure Sensors Used in Cars

May 28, 2014
pressure-sensor-car

A number of critical systems have to work together when powering an automobile. Core sensors measure the integrity of airbag units, ensuring they trigger safely when an accident occurs. Other significant pressure sensor devices are positioned all over the vehicle, monitoring engine coolant levels, brake fluid capacity, and even finding new applications on wireless devices, checking air pressure in the tires. Lets’s take a closer look at these sensors online.

Reliable Monitoring Design.
Whether it’s a heavy-duty transducer wrapped up in a stainless steel casing or a tiny pressure sensor designed to monitor and gauge force being applied to a closed system, each assembly has to perform according to an exacting list of specifications. Every possible influence, and there are many in the confines of an internal combustion engine, has to be accounted for. Extreme temperatures cause expansion and contraction of metal parts, while other factors affect consistent measurements. Regardless, an accurate measurement is gathered, activating a basic signal or processing that signal and delivering it to a gauge on a dashboard.

Economically Viable and Rugged
Hostile environments are only one condition affecting reliable operation of a pressure detecting sensor. Cost is another, ensuring the reliable sensor is economical. Stop for a moment and consider the size of the land mass that is the continent of Northern America. Canadian drivers cover vast swathes of road in getting to work, reaching vacation spots, the many natural areas of beauty littering the landscape. A practical vehicle has to keep emissions low while passing through these potential destinations, staying economical for well over 100,000 miles of driving. The sensor, therefore, must be dependable, cost-efficient and able to match other systems of the vehicle when it comes to lifespan. Tested in a factory for all of these requirements and more, a pressure sensor bound for installation in any class of vehicle has to be of superior design and build.

The Conventional Wisdom of Sensors
Designed to match a particular situation, tested to ensure they work 100% of the time at full capability, these sensors track emissions from a vehicle, informing the driver and diagnostic systems of changes to brake fluid and coolant levels. They may be inexpensive to mass produce, but they’re also benchmarked to high standards so that they can be fitted and forgotten, withstanding the rigors of temperature, vibration, and promoting consistency in situations where seconds or finite amounts of pressure could cost lives.

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