Model 477-1T-FM-AV, Air Velocity Kit

Convenient all-in-one kit is small, light and easy to use. No set-up or leveling needed.

Digital manometer reads from 0-20 in. w.c. with +/-0.5% F.S. accuracy. The Series 477

stores up to 20 readings in memory for later reference, instantly selecting up to nine

English/Metric pressure units that are visible on a large, backlit 0.4" LCD readout. Both

audible and visual overpressure alarms and a "low battery" warning are standard features.

Each kit includes convenient telescoping Pitot tube, Model 166T which is fully adjustable from

11.5 to 36 inches (29.2 to 91.4 cm). In addition, two static pressure tips with magnetic mountings

measure pressure drop across filters, condenser coils, etc.

Kit comes complete with rubber tubing, 9V battery, step drill, AV calculator slide rule, and custom

fitted carrying case. An indispensable test kit for the plant engineer, and HVAC technician that

must balance system air flows at start-up.

Complete Kit includes:

Model 477-1 Digital Manometer, range 0-20 in. w.c.

Model 166T, 36" Telescoping Stainless Steel Pitot Tube

Two No. A-303 Static Pressure Tips with Magnetic Mounting

Two 4 1/2 Ft. Lengths 3/16" I.D. Rubber Tubing

No. A-397 Step Drill for 3/16"- 1/2" Holes in 1/16" Increments

No. A-532 AV Slide Chart

9 Volt Battery

Fitted Polyethylene Case