Dwyer 115-AV Air Velocity Kit, 400-2000FPM

• Designed to measure air velocity, static pressure, vacuum or differential pressure.
• Offer superb accuracy combined with portability.
• The Dwyer® Durablock® precision machined solid acrylic plastic construction, the wells and inclined bore are machined to tolerances of ±.0002".
• Plastic Body - A 1" thick solid acrylic block, virtually unbreakable. It is stable and free of the danger of distortion.
• Drilled Bore - Permanently free of bends - never requires recalibration due to distortion.
• Reflective Chrome Finish Scales - Easily eliminates parallax errors in reading.
• Adjustable, with thumbscrew locking for easy zeroing. (Model 125 AV uses screw plunger to adjust zero setting).
• Red Gauge Oil - .826 specific gravity. Forms a well-shaped, easy-to-read meniscus - the result of high wetability.
• Leveling Adjustment - Screw allows quick, accurate leveling. Integral ground glass bubble level provides ready reference.

Dwyer® Inclined Manometer, stainless steel Pitot tube (12" with Models 102 AV & 115 AV, 24" with Model 125 AV), two 9' lengths of rubber tubing with connectors, additional red gauge oil, instruction card H-7, Bulletin H-11 and magnetic mounting clips, air velocity calculator slide rule and carrying case, (plastic with Models 102 and 115, steel with Model 125).