The TSI Alnor ABT701 and ABT703 balometers are accurate and dependable analog instruments designed for use in ventilation testing and balancing. By placing the ABT701 or ABT703 balometers over a diffuser or grille, air volume measurements are obtained quickly and easily thus maximizing productivity.

With supply and exhaust ranges of 30 to 1,000 CFM (ft3/min), TSI Alnor ABT701 and ABT703 balometers boast an accuracy of ±3% FS +5 CFM (ft3/min). The ergonomic and ultra lightweight design of the TSI Alnor ABT701 and ABT703 balometers allow for easy one person operation. The simple-to-read analog meter quickly displays measurements.

With multiple hood sizes available as accessories, the TSI Alnor ABT701 and ABT703 are useful across multiple HVAC applications including commissioning, troubleshooting of systems and the testing and balancing of systems. The ABT701 ships with a 2' x 2' capture hood, while the ABT703 ships with a 16" x 16" capture hood, otherwise, these meters have the same specifications.