Air Velocity Meters and Anemometers

Air velocity meters are used to monitor gas flow rates in industrial stacks, flare systems, ducts, and atmospheric environments. Common applications include EPA emissions compliance monitoring, combustion control, flare stack management, wet scrubber performance verification, fenceline environmental monitoring, and aviation crosswind and turbulence detection for safety operations.

No. All OSI optical flow sensors and anemometers feature factory-calibrated, drift-free measurement with built-in automatic calibration checks. The DSP-based design eliminates the need for any field calibration throughout the product's operational life, significantly reducing maintenance costs and downtime.

Yes. The OFS-2000, OFS-2000W, OFS-2000F, and OFS-2000 Series sensors are all EPA 40 CFR Part 75 compliant and use NIST-certified measurement algorithms. They are designed specifically for stack gas flow monitoring at power plants and industrial facilities required to report mass emissions data under federal environmental regulations.

OSI offers sensors covering a wide range of velocities. The standard OFS-2000 and OFS-2000W models measure 0–100 m/sec, while the OFS-2000F flare sensor extends coverage from 0.03 to 170 m/sec for ultra-low to extreme velocity flare applications. The LOA series covers atmospheric crosswinds over distances up to 10 km.

Yes. OSI sensors are specifically engineered for high temperatures, high opacity, variable dust concentrations, corrosive HF gas environments (LOA-105), and extreme outdoor conditions. Features such as air-purged housings, HF-resistant windows, AGC circuitry, and no-moving-parts design ensure reliable performance in the most demanding industrial settings.

OSI sensors serve a broad range of industries including power generation, oil and gas refining, aluminum smelting, chemical manufacturing, environmental monitoring agencies, aviation and airports, wastewater treatment, wind energy, and government research. Major clients include ExxonMobil, Alcoa, Duke Energy, NASA, NOAA, the FAA, and the U.S. military.