HVAC Air Flow Measurement The materials included in this compilation are for the use of Dwyer Instruments, Inc. potential customers and current employees as a resource only. They may not be reproduced, published, or transmitted electronically for commercial purposes. Furthermore, the Company’s name, likeness, product names, and logos, included within these compilations may not be used without specific, written prior permission from Dwyer Instruments, Inc. ©Copyright 2014 Dwyer Instruments, Inc.

Series AFH2 Air Flow Hood Features & Benefits Includes: Digital Manometer, Flow Hood, Flow Base (integral sensor and hand held attachments), and travel case. Optional low flow adaptor kit Manometer can calculate and display volumetric flow High Accuracy with 3% of reading Can display differential pressure, air velocity or air flow.

Series 471B Thermo- Anemometer Test Instrument Features & Benefits Measures air velocity, volumetric flow, and temperature! Dual mode display Insertion probe with graduations from 0 to 8 inches. Up to 99 readings can be stored. Includes 9V battery, sensing probe, wrist strap, and custom carrying case.

Series STRA & FLST Duct Mounted Airflow Measurement Station Features & Benefits Easy installation Utilizes an airflow averaging element. Integral honeycomb air flow straightening section on the STRA.

Series 160 Stainless Steel Pitot Tube Benefits ASME Design Meets AMCA and ASHRAE Codes Calibration factor of 1 Permanent, stamped insertion depth graduations Standard sizes available in 4 inch duct sizes up to 36 feet diameter

Series 160E Ellipsoidal Tip Pitot Tube Benefits Designed to Meet British Standard 1042.

Series 160S “S” Type Stainless Steel Pitot Tube Benefits Large, Open Tip design resists Fouling Optional permanent mount models

Series AFG Averaging Flow Grid Features Cost effective with quick and easy installation. Includes a kit form to allow both workshop and on- site installation in square and circular ducts up to 60 inches

Series PAFS Averaging Flow Sensor Benefits Ideal for sensing fan flow rates Zone control applications in HVAC systems ABS construction Up to 21 inch insertion lengths

Series MAFS Metal Averaging Flow Sensor Features Airfoil design provides enhanced performance and minimal flow disruption Up to 48 inch probes Rigid aluminum construction

Series FAFM Fan Inlet Air Flow Measuring Probe Features Light weight design. Come in sets of two. Two versions Fan inlet depths less than 3 ½” Fan inlet depths greater than 3 ½”

Series DAFM Air Flow Measuring Probe Features Light weight design For round ducts, only need 2 probes For rectangular ducts, number of probes depend on duct dimensions