For more than 25 years, researchers and scientists around the world have relied on Picarro gas concentration and isotope analysis solutions to study the air we breathe, water we drink, and land we harvest. The ultra-precise, easy-to-use, robust instruments offer unmatched performance in a variety of field conditions. Based on our patented Cavity Ring-Down Spectroscopy (CRDS), these solutions enable the detection of target molecules at part per billion, or better, resolution. With access to a highly experienced support staff and range of service plans, customers can depend on Picarro instruments to deliver precise measurements for a range of applications for years to come.