Lambda Square was incorporated in 1986 as a manufacturer of differential pressure flow measurement equipment. The company founder has been in the differential pressure flow measurement field since the 1950's.

Lambda Square markets it’s line of differential pressure flow meters through re-sellers and sales representatives as well as directly to end users. Product applications cover a wide range of installations in all 50 states domestically as well as many countries throughout the world.

• Pressure sensor (hydraulics)
• Flow speed measuring sensors (hydraulics)
• Flow meter
• Venturi tube
• Elbow meter