Photoionization Detector

SAN JOSE, CA - (Marketwire - October 26, 2009) - RAE Systems Inc. (NYSE AMEX: RAE), a leader in delivering innovative sensor solutions to serve the energy, hazardous materials management, security industrial, and government safety markets worldwide environment, will be exhibiting at A + A Safety Expo to be held at Exhibition Centre in Düsseldorf, Germany, 3-6 November 2009, Stand No. 6J40. The congress is organized by the German Federal Association for Safety and Health (für Sicherheit und Gesundheit bei der Arbeit Bundesarbeitsgemeinschaft) and brings together 76 institutions in Germany concerning the safety and health, including state departments, authorities German Länder, social partners, statutory accident insurance, compulsory health insurance, and safety associations and health.

RAE Systems will showcase personal, portable and wireless its toxic gas monitors for industrial safety. products presented are designed to protect workers in confined space entries, chemical plants, oil refineries and hazardous work situations where real-time situational awareness of air quality is essential.

"We saw the adoption of our wireless AreaRAE ATEX serious worker safety products throughout Germany and Europe," said Joseph Maxwell, RAE Systems' EU Operations Director "Our gas monitors have found applications in security municipal, industrial applications, and in the energy sector. "

The products featured in the exhibition this year will be:

- Rapid Deployment Kit for gas monitors steel AreaRAE wireless with ATEX Zone 1, Zone 2 with GPS and associated with cases of new stainless steel, configured for real-time monitoring of confined spaces in refineries Oil and chemical plant renovations and during shutdowns or turn-around. "

- MiniRAE 3000, ppbRAE 3000, MiniRAE Lite UltraRAE 3000, the latest generation of photoionization detectors for the detection of volatile organic compounds used in plastics, petrochemicals, fuels, solvents and environmental remediation, including UltraRAE 3000 for monitoring of benzene.

- QRAE II and AutoRAE Lite 4-Gas Calibration Station, 4-gas detector using the SPE ™ patented sensor oxygen level, more of sensors carbon monoxide (CO), hydrogen sulfide (H2S) and lower explosive limit (LEL).

- ToxiRAE 3 and AutoRAE Lite Single-Gas Calibration Station, protecting the breathing zone for the safety of workers available specifically configured for hydrogen sulfide (H2S) and carbon monoxide (CO) monitoring.

For more information about these products, visit our website at www.raesystems.eu.

About RAE Systems

RAE Systems is a global provider of rapidly deployable sensor networks that enable customers to identify security threats and security in real time. Products include disposable tubes gas detection, gas monitors unique personal monitors, multi-sensor chemical detection, photoionization (PID) monitor volatile organic compounds (VOCs), wireless gas detection, and radiation monitoring networks for energy production and refining, industrial and environmental safety, and public and government first responder security sectors. RAE Systems' products are used in over 95 countries by many of the worlds leading companies and numerous government agencies worldwide. For more information about RAE Systems, please visit www.RAESystems.com.