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Product category: Gas, Chemical, Radiation and Magnetic Sensors
News Release from: Custom Sensors & Technologies (CST) | Subject: CST emission sensors
Edited by the Engineeringtalk Editorial Team on 09 August 2007

Gas sensors monitor vehicle emissions

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Custom Sensors and Technologies (CST), a global business unit of Schneider Electric is going "Green" by helping the environment via the manufacture of emission control sensors and systems.

Custom Sensors and Technologies (CST) is going "green" by helping the environment via the manufacture of emission control sensors and systems By working together with the automotive industry, CST products will help reduce and manage emissions for future generations

The passenger vehicle market requires innovative solutions for emission control and the fast pace of growth in the diesel sector makes this task critical.

Newly enacted regulations require exhaust gas monitoring and filtering in diesel engines to remove particulate matter.

Two common methods are diesel particulate filter (DPF) monitoring and selective catalytic reduction (SCR) systems.

CST was the first to mass-produce a differential pressure sensor for DPF that indicates to the system when it should regenerate or burnout toxic exhaust particles.

CST emission sensors operate in environments with high temperatures, soot and strong acids.

Exhaust back-pressure and exhaust gas recirculation (EGR) pressure sensors are used to control combustion and minimise engine pollution.

CST's back-pressure sensor is used to control the turbocharger, improving fuel economy and increasing performance through high torque outputs.

The EGR sensor measures the exhaust gas that is sent back to the manifold and functions to reduce the production of nitrogen oxides.

By measuring the actual flow versus and inference of flow, CST's sensor provides improved data for emission control.

As more and more requirements are being placed upon automakers to reduce emissions and lower pollution rates, urea level sensing will gain momentum.

Already in use in Europe, urea injection systems will be in prominent use to lower Nox emissions.

CST's urea sensor has the capability to measure both level and pressure in one unit.

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