Durablock Air Velocity Gage Kit, 115-AV, .05-0-.25" w.c
Designed to measure air velocity, static pressure, vacuum or differential pressure, where the additional range of the 400 Series gages is not required. Series 100 Gages offer superb accuracy combined with portability. In the Dwyer® Durablock® precision-machined solid acrylic plastic construction, the wells and inclined bore are machined to tolerances of ±.0002".