SpectraSensors, Inc. is a leading manufacturer of optically based gas analyzers and moisture analyzers for analytical process markets. Typical applications include gas quality and energy measurements (H2O, CO2, H2S, BTU) in natural gas, trace moisture and hydrogen sulfide in refineries and petrochemical plants, and airborne moisture and other atmospheric measurements from commercial aircraft for the U.S. and International Weather Services.

SpectraSensors, Inc. headquartered in Rancho Cucamonga, California, was incorporated in 1999, as a technology spin-off of the NASA/Caltech Jet Propulsion Laboratory.

SpectraSensors uses Tunable Diode Lasers (TDL) in conjunction with Absorption Spectroscopy in an array of products such as Ambient Air Monitoring Analyzers, Moisture Analyzers (Hygrometers), Dew Point Analyzers, and Hydrogen Sulfide Analyzers, Gas Analyzers for Natural Gas Pipelines, Petrochemical Refineries, Environmental Technology, and Gas Quality applications. SpectraSensors Gas Analyzers measure Moisture (H2O), Carbon Dioxide (CO2), Hydrogen Sulfide (H2S), Hydrogen Chloride (HCl), Methane (CH4), Ammonia (NH3) Ethylene Oxide (ETO) and more.