This Ultratech Industries ULTRAC AMS 821-30 Airflow Measuring Device is in new, unused condition and is guaranteed to function 100%. This item came from a local MFG that had surplus unused inventory after upgrading equipment. We can accept PayPal or your credit card. Please feel free to contact us with any questions. MODEL: ULTRAC AMS 821-30 SERIAL: 2013-U-10596 AE 4.18 SQ. FT. 8 - Round with angle flanges 2 - All stainless steel 1 - Standard-3/8" straightening vanes, multiple total, single bullet-nose static ULTRATECH ULTRAC Airflow Measuring Stations (AMS) provide accurate, repeatable measurement of air movement through ducts and piping. Lightweight, rugged construction coupled with ease of installation and economical pricing make these devices particularly applicable to the HVAC trade. Durable, quality construction ensures long-term, trouble-free operation. ULTRAC Airflow Measuring Stations are compatible with manometers, differential pressure gauges, and differential pressure transmitters used for airflow indication and control. ULTRAC Airflow Measuring Stations use multiple averaging Pitots to determine total velocity and static pressure measurements. The Pitot sensors are placed across the flow stream according to industry standards for equal-area averaging (the standard Pitot traverse). ULTRAC's unique AMS construction eliminates nonessential hardware that can cause build-up of dirt and foreign matter on the measuring assembly. ULTRAC Airflow Measurement Stations are available in round, rectangular and oval configurations. All configurations feature a sensor assembly that allows for duct expansion and contraction. The 12-inch flanged steel casing has an aluminum, hexagon-celled straightening vane section that is mechanically fastened to the inlet. This eliminates turbulence and corrects flow direction, thereby increasing the velocity profile. Track Page Views With Auctiva's FREE Counter