Series AFH2        Air Flow Hood  The materials included in this compilation are for the use of Dwyer Instruments, Inc. po...
AFH2 – OverviewHand held test instrumentMeasure air flow rate atdiffusers, grills, and registersCan measure supply (into) ...
AFH2 – Vent TypesDiffuser   Grille   Register
AFH2 – Supply FlowSupply: Air flow coming into the area wherethe measurement is taken
AFH2 – Exhaust FlowExhaust: Air flow that is moving out of thearea where the measurement is taken
AFH2 – Product FeaturesComponents of the AFH2 Digital Manometer Flow Hood Flow Base   Integral sensor array   Handle attac...
AFH2 – Flow HoodAccessory hoods available for differentvent shapes and sizes
AFH2 – Flow BaseDuel sensor array allowsfor both supply andexhaust flow readingTwo attachable handlesfor secure holdAdjust...
AFH2 – Low FlowLow flow adaptor kit  No need for two separate  expensive instruments  like the competition  Works with sta...
AFH2 – ManometerDigital manometer provided tocalculate/display volumetricflow rate  High accuracy ±3% of reading, ±4  l/s ...
AFH2 – ManometerPosition independent  Dual internal pressure  sensors offset gravitational  effects on sensing element  St...
AFH2 – ManometerAuto-zero function  Timing interval user settable  from 30 to 600 seconds or off  Internal solenoid valve ...
AFH2 - ManometerRemovable from flow hoodCan be used with a variety of flowsensorsStore button for recording flowmeasuremen...
AFH2 – Travel CaseLightweight and no toolsrequired forassembly/breakdown   Saves customer timeExtendable handle andwheels ...
AFH2 – Product Features     Model Number              Description                      Air flow hood, digital        AFH2 ...
AFH2 – Target CustomersHVAC Testing and BalancingNEBB technicians  www.nebb.org (North America, Europe,  Mid-east, Asia)Bu...
AFH2 - ApplicationsCeiling register flowmeasurement
AFH2 - ApplicationsCeiling flow measurementwith low flow hood
AFH2 - ApplicationsHandles shown onoutside or inside of theflow hood base   Does not affect flow   measurement
AFH2 - ApplicationsFloor register flowmeasurement indata center
AFH2 - ApplicationsExhaust grille flowmeasurement
AFH2 - ApplicationsData center flowmeasurement
AFH2 – Hands OnAssembling the flow hood
AFH2 – Hands OnTurning on the manometer+
AFH2 – Hands OnCycling through unit scales
AFH2 – Hands OnCycling through unit scales…continued
AFH2 – Hands OnCycling through unit scales…continued
AFH2 – Hands OnProgramming manometer to read exhaust flows
AFH2 – Hands OnProgramming manometer to read exhaust flows
AFH2 – Hands OnProgramming manometer to read exhaust flows                 …
AFH2 – Hands OnUsing the data logger
AFH2 – Hands OnUsing the data logger                        …             …
AFH2 – Hands OnReviewing stored data
QuestionsTo order a free catalog or for more information contact;        Dwyer Instruments, Inc., P.O. Box 373,           ...
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Series AFH2

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Series AFH2

  1. 1. Series AFH2 Air Flow Hood The materials included in this compilation are for the use of Dwyer Instruments, Inc. potential customers andcurrent 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 2011 Dwyer Instruments, Inc
  2. 2. AFH2 – OverviewHand held test instrumentMeasure air flow rate atdiffusers, grills, and registersCan measure supply (into) orexhaust (out of) flowMeasurements used forbuilding balancing and testing
  3. 3. AFH2 – Vent TypesDiffuser Grille Register
  4. 4. AFH2 – Supply FlowSupply: Air flow coming into the area wherethe measurement is taken
  5. 5. AFH2 – Exhaust FlowExhaust: Air flow that is moving out of thearea where the measurement is taken
  6. 6. AFH2 – Product FeaturesComponents of the AFH2 Digital Manometer Flow Hood Flow Base Integral sensor array Handle attachments Travel Case
  7. 7. AFH2 – Flow HoodAccessory hoods available for differentvent shapes and sizes
  8. 8. AFH2 – Flow BaseDuel sensor array allowsfor both supply andexhaust flow readingTwo attachable handlesfor secure holdAdjustable mountingplate to hold manometer View of sensor array inside the flow base
  9. 9. AFH2 – Low FlowLow flow adaptor kit No need for two separate expensive instruments like the competition Works with standard AFH2 flow base Adaptor plate and hood fit into the AFH2 travel case View of sensor array with adaptor plate
  10. 10. AFH2 – ManometerDigital manometer provided tocalculate/display volumetricflow rate High accuracy ±3% of reading, ±4 l/s (14 m3/hr) when flow > 40 l/s Display in differential pressure, air velocity, or air flow units Low Battery Indicator
  11. 11. AFH2 – ManometerPosition independent Dual internal pressure sensors offset gravitational effects on sensing element Stable readings regardless of manometer position
  12. 12. AFH2 – ManometerAuto-zero function Timing interval user settable from 30 to 600 seconds or off Internal solenoid valve isolates the pressure sensors during auto zero Audible click signals start and end of the auto zero process
  13. 13. AFH2 - ManometerRemovable from flow hoodCan be used with a variety of flowsensorsStore button for recording flowmeasurementData logging function to maintain arunning log of flow measurementsInternal memory stores up to 2500 readings
  14. 14. AFH2 – Travel CaseLightweight and no toolsrequired forassembly/breakdown Saves customer timeExtendable handle andwheels for easy mobilityLarge case with foam insertsto hold adaptor kits, Pitot tubes, and other test equipment
  15. 15. AFH2 – Product Features Model Number Description Air flow hood, digital AFH2 manometer, with 2 x 2 hood A-174 Low-flow hood and adaptor kit A-175 Universal adapter kit (for use with the below flow hoods) A-176 300 x 1200 mm hood A-177 600 x 1200 mm hood A-178 300 x 1500 mm hood A-179 900 x 900 mm hood A-190 Software cable kit
  16. 16. AFH2 – Target CustomersHVAC Testing and BalancingNEBB technicians www.nebb.org (North America, Europe, Mid-east, Asia)Building Automation ContractorsLaboratory and wind tunnel testingMedical or Educational Building Service Departments
  17. 17. AFH2 - ApplicationsCeiling register flowmeasurement
  18. 18. AFH2 - ApplicationsCeiling flow measurementwith low flow hood
  19. 19. AFH2 - ApplicationsHandles shown onoutside or inside of theflow hood base Does not affect flow measurement
  20. 20. AFH2 - ApplicationsFloor register flowmeasurement indata center
  21. 21. AFH2 - ApplicationsExhaust grille flowmeasurement
  22. 22. AFH2 - ApplicationsData center flowmeasurement
  23. 23. AFH2 – Hands OnAssembling the flow hood
  24. 24. AFH2 – Hands OnTurning on the manometer+
  25. 25. AFH2 – Hands OnCycling through unit scales
  26. 26. AFH2 – Hands OnCycling through unit scales…continued
  27. 27. AFH2 – Hands OnCycling through unit scales…continued
  28. 28. AFH2 – Hands OnProgramming manometer to read exhaust flows
  29. 29. AFH2 – Hands OnProgramming manometer to read exhaust flows
  30. 30. AFH2 – Hands OnProgramming manometer to read exhaust flows …
  31. 31. AFH2 – Hands OnUsing the data logger
  32. 32. AFH2 – Hands OnUsing the data logger … …
  33. 33. AFH2 – Hands OnReviewing stored data
  34. 34. QuestionsTo order a free catalog or for more information contact; Dwyer Instruments, Inc., P.O. Box 373, Michigan City, IN., 46361 Telephone: (800) 872-9141 or (219) 879-8000 Fax: (219) 872-9057 Internet address: www.dwyer-inst.com E-mail: info@dwyer-inst.com

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