AI 生成的翻译KELLER Pressure AG, a Swiss company founded by Hannes W. Keller with over 40 years of experience in pressure measurement, has developed a dedicated hydrogen product line offering accurate, reliable pressure sensors specifically optimized for H2 applications, leveraging isolated piezoresistive pressure sensor technology invented by the company's founder. The company's hydrogen pressure instruments -- including the 23SX-H2 and 33X-Ei-H2 series relative pressure transmitters -- feature low embrittlement rates due to increased nickel content in the stainless steel used, combined with gold-plated diaphragms that reduce hydrogen diffusion to a minimum (as hydrogen can hardly penetrate the gold layer), all built as fully welded sensors without internal seals for maximum reliability across typical hydrogen application pressure ranges of 0-2 bar to 0-1000 bar. KELLER's hydrogen sensor portfolio is compatible with the EC79 standard for automotive applications, with the LEO-Record-H2 and intrinsically safe LEO-Record-Ei-H2 digital pressure gauges providing long service life and high accuracy for hydrogen generation and production, transportation, hydrogen refueling station monitoring, and hydrogen containment/storage applications, connectable via RS485 interface for configuration and data logging. Serving customers including hydrogen-powered racing applications and off-grid hydrogen fuel/generator managed service providers like Hydrologiq, KELLER Pressure continues exhibiting its 'Swiss Made' precision pressure sensor technology at major hydrogen industry trade shows, positioning the company's decades of piezoresistive measurement expertise to serve the growing hydrogen mobility, production, and storage infrastructure market.
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