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Follow on Google News | Pressure Sensors Approved for Hydrogen Pressure Measurement in Hostile EnvironmentsAmerican Sensor Technologies, Inc. (AST) has released the AST2000H2 pressure sensor/transducer for hydrogen pressure measurement applications.
The AST2000H2 features AST’s proprietary Krystal Bond™ Technology pressure sensing element. The thread, hex and diaphragm are all machined from one piece of 316L SS, eliminating the risks associated with other sensor technologies including media compatibility, weld failures, and contamination through an oil-filled cavity. The AST2000H2 was tested to the TUV compatibility standard created by the EIHP (European Integration Hydrogen Program) for Compressed Hydrogen Gas (CGH2) components for on-board vehicle storage systems. The AST2000H2 pressure sensors passed all tests including media compatibility, aging, corrosion resistance, endurance testing, pressure cycling, leakage testing, isolation, noise compatibility, and hydraulic strength. The thick diaphragm of the 900 bar (13,053.4 PSI) pressure sensors not only held the 1,800 bar burst pressure test, but also continued to operate above 2,400 bar until the O-ring extruded. The AST2000H2 is constructed to meet the environmental conditions associated with hydrogen pressure measurements. The product was also tested and approved by Detroit Testing Laboratories to an environmental test for approval on the Hydrogen HyWay 2/3. Each sensor is packaged with a welded stainless steel housing and sealed Packard Metripack 150 electrical connection. The test batch of sixty (60) pressure sensors was subjected to various shock, vibration, and environmental tests. The sensors withstood thermal, mechanical and drop tests. Environmental testing included humidity storage and cycling, chemical testing, water spray, salt fog, storage temperature, and dust. The AST2000H2 passed separate electrical environmental tests conducted by Underwriters Laboratories to the Ford ES-XW7T-1A278- The product specifications for the AST2000H2 can be viewed on our website: http://www.astsensors.com/ For electronic copies of the test reports featured in this news release, please contact AST. # # # AST manufactures state-of-the- End
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