Alnor® has released the 2004 85th anniversary issue of its product catalog. It includes information about the new EBT 720 Series of electronic balancing tools, which were designed specifically for test and balance professionals, including features such as: light-weight ergonomic design, auto-zeroing and back pressure compensation, and a manometer that can use AC power or four AA rechargeable or alkaline batteries. The catalog includes sections covering all of the Alnor tools used to measure air velocity, air volume, air and water pressure, as well as IAQ parameters.