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About Us

Oxigraf is the leading manufacturer of laser absorption spectroscopy sensors for oxygen gas measurement and analysis.

The Oxigraf laser diode oxygen analyzer offers advantages over other gas sensing technologies.

  • Responds in tenths of a second compared to tens of seconds.
  • Has no cross sensitivity to other gases.
  • Corrects automatically for changes in gas pressure or temperature.
  • Measures quickly over a dynamic range from 100 ppm to 100%.
  • Has a very long life and requires no periodic replacement or service.

Oxigraf’s unique hardware and firmware technology controls the laser diode and gas sample temperatures, scans and integrates the oxygen absorption, removes laser noise, measures the gas sample pressure, and computes the oxygen concentration. Oxigraf expertise relates to the design, assembly, burn-in, and test of laser diode, optical, gas sensor, and gas sampling assemblies. Eight key patents covering the laser gas sensor technology are licensed to Oxigraf.

The Company:

The Oxigraf team includes employees and consultants with expertise in optomechanical and electronic engineering, software development, quality systems, and manufacturing.

Oxigraf occupies a 5500 square foot facility in Sunnyvale, California, in the heart of the Silicon Valley. This location allows Oxigraf to tap the expertise and talent available in the high technology center for the USA. The Oxigraf facility includes equipment to assemble and test diode lasers and oxygen sensors. A complete engineering and support team is available in-house to work with customers and provide continuous product improvements and developments.

Oxigraf has a quality management system to meet the needs of its customers and to improve management of the company. The quality system complies the European quality system standard EN ISO 13485:2016. It covers the design, production, and servicing of Oxigraf sensors.

History:

Oxigraf is celebrating almost 30 years in the business of making laser gas sensors and instruments. Incorporated in 1996, Oxigraf actually began in 1990 in a garage in Palo Alto like many other companies in the Silicon Valley and has since grown considerably. Recent corporate highlights include:

  • The Model O2 received clearance for marketing for human use by the FDA under the 510(K) process in 1998. The Model O2Cap adding CO2 measurement was added in 2004. Our tabletop instruments are used for R&D, Quality Assurance and many other applications.
  • Oxigraf O2 and CO2 sensors have been widely adapted by OEM manufacturers of medical respiratory gas monitors to measure breath waveforms, end-tidal gas values, anaerobic threshold, VO2 max, and non-invasive cardiac outputs. Oxigraf has delivered 1000’s of sensor to OEM’s all over the world.
  • Oxigraf O2iM Oxygen Safety Monitors have been widely used hundreds of facilities since 2004, replacing less reliable electrochemical sensors. These systems have evolved over the years and continue to provide proven performance and reliability.
  • Oxigraf has delivered the O2N2 OBIGG system for flight test of the fuel tank safety system to major US and International aviation/aerospace programs from 2005 through to today.
  • Oxigraf joined the ECOTEC family of gas measurement and monitoring businesses in 2023.

For pre-sale technical support or technical questions please contact Oxigraf at sales@oxigraf.com or call 650.237.0155

For direct customer support and help with technical issues please contact Oxigraf at support@oxigraf.com or call 650. 237.0155

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