Instrumentation
Air Velocity Transmitters
Air Meter      460 Molded Plastic Air Velocity Meter    Mark II
A Low Cost,Direct Reading Instrument  Low in Cost, Direct Reading Scales 
Used for Both Air Velocity and Static  Offer 3% Accuracy, for Portable or 
Pressure Tests. Dual velocity ranges  Stationary Applications. Construction 
read 260-1200 and 1000-4000 fpm;  is simple with virtually indestructible 
pressure ranges from .005-.09 and . molded white styrene-acrylonitrile 
05-1.0 inches w.c. Direct reading  housing, indicating tube and fluid 
velocity and static pressure scales - wells, molded ABS knobs and zero 
 both low and high ranges - show  adjust plunger, shock mounted glass 
supply and return grille velocities. level vial and leak proof "O"ring seals. 
Air Velocity Monitor              Model 660 Pocket Wind Meter PWM
Continuously Measures Fume Hood 
±3% Accuracy, Selectable Units, 
Airflow. Model 660 are a practical,  Waterproof, Compact. The rotating 
affordable way to continuously  vane anemometer is constructed with 
monitor for safe airflows through  a light weight, anodized aluminum 
laboratory fume hoods. They are  impeller which spins on high precision 
typically installed in the fume hood  jewel bearings. The impeller assembly 
side fascia and connected to the  is easily replaceable in the event of 
interior sidewall via 1-1/8" flex-tubing.  damage or wear. Wind speed, 
average wind speed .