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The Company

SEI, Inc., designs, manufactures, and services acoustic instrument systems for gas temperature and gas flow measurement in a variety of utility and industrial thermal process environments. Founded in 1979, the Company is the world's leading producer of acoustic pyrometer systems for non-intrusive measurement of very hot gas temperatures. SEI is a privately held company headquartered in Sparks, Nevada USA.

You may call us at (Country Code 001) 775-358-0937, Fax us at 775-358-0956 or Click to e-mail SEI

Our Products

SEI's major product is the Boilerwatch® MMP gas pyrometer. This product utilizes SEI's patented acoustic measurement technologies, which provide accurate and repeatable acoustic time-of-flight measurements in a variety of harsh and noisy industrial environments. This technology was developed by SEI and proven through installations and critical testing on a large number of thermal plant processes throughout the world over many years.

Our Mission

SEI's mission is to provide top quality instrumentation systems that help plant operators save money through thermal process efficiency improvement, reduced maintenance costs, greater plant availability, and reduced emissions.

Our Markets

Thermal plants which involve fuel combustion for energy generation, material disposal, or process heating can benefit from SEI's products and technologies. Major markets include:
  • Electric utility thermal power generation boilers (including gas, oil, and coal fired units)
  • Waste-to-energy boilers (including mass-burn and RDF fired units)
  • Black liquor chemical recovery boilers
  • Metal heat treating furnaces
  • Glass manufacturing furnaces
  • Cement Kilns
  • Blast Furnaces
  • Smelters
  • Refineries
  • Crude Units
  • Delayed Cokers
  • Other industrial thermal processes

Our Customers

SEI's Boilerwatch® acoustic pyrometers have proven accurate and reliable in many years of rigorous use by some of the world's largest industrial companies. Our (partial) Customer List includes electric utilities, paper/pulp manufacturers, waste-to-energy processors, cement plants, co-generation providers, and steel/specialty metal manufacturers.

Our Partners

In North America, SEI products are available through several regional sales representatives and directly from SEI. International markets are served by our experienced value-added distributors who provide a full spectrum of services and support for SEI products, including applications engineering, sales, on-site commissioning service, in-warranty and beyond warranty repair services, and spare parts.