Real Sensors, Inc (RSI) has been developing and manufacturing permeation tubes and dopant devices for the homeland security, chemical, petrochemical, pollution and medical industries for more than 8 years. Our development staff has more than 50 years of experience in developing unique calibrating and standardizing monitoring systems for explosives, narcotics and air pollution. Our principals pioneered the creation of silicone permeation tubes renowned for their portability and low temperature sensitivity. Recently, we created a unique solid-state-based dopant system used for detecting narcotics and explosives for a major manufacturer. Commitment to our role as an industry leader. As industry needs evolve, so do we. As an RSI customer, you can expect to receive the most current technology available in the industry. Commitment to your success. We understand that each customer's needs are unique. By working closely with you to learn about your business, we can ensure that the solutions we provide are tailored to meet your specific requirements. Commitment to our customers. Our highest priority is satisfied customers. We are proud to serve you, and we work hard to earn your business.