Instrument maker Testo Inc. now offers the model No. 549 high-performance digital manifold air conditioning and refrigeration system analyzer. Aimed at HVAC construction technicians who are still using analog gauges, it offers the ability to digitally store 60 profiles. It measures high- and low-side pressure, displays saturation and evaporation temperatures and has a five-year warranty.

Testo Inc.
40 White Lake Road
Sparta, NJ 07871
(800) 227-0729
Fax: (862) 354-5020