MEMS-based pressure sensor for high purity applications

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By eeNews Europe

The AST4900 media isolated pressure sensor also holds a CE EN61326 certification and UL/cUL508 approval. The pressure sensors are available in two standard fittings: 1/4" NPT Male and 1/4" VCR Male. Each sensing element is machined from 316L stainless steel and electropolished to remove any contaminates.

Units can also be manufactured with Inconel718, a nickel alloy that holds a wide range of chemical compatibility. A one-piece design also promotes high cyclical life, high shock and vibration capability and will maintain long-term stability, even in extreme conditions.

The AST4900 pressure sensors can be scaled with pressure ranges of 0-25 PSI [0-2 BAR] to 0-10,000 [0-700 BAR]. Compound ranges are also available. In addition to high-level voltage, current and frequency output signals, these pressure sensors can be packaged with cable, DIN 43650 [Form C] and Bendix [6 pin] electrical connections. 

Built to operate in temperatures that range from -40° to 85°C, sensor standard performance is rated to 0.25% BFSL. The AST4900 sensors carry 2X over range protection, 5X burst pressure and is built to withstand more than 100 million pressure cycles.                                                                       

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