• Test 1420 cfm at 4 in.wg. (560 L/s at 1000 Pa).
  • Positive and negative pressure testing.
  • Simple analog gauges; no complicated multi-menu digital gauges.
  • Calibration certificate certified by Professional Engineer attesting to orifice plate’s 2% accuracy.
  • Swivel caster wheels to allow horizontal transport in a pickup or storage.
  • Industrial powder coated (hunter green) finish for long life.
  • Only 25 inches wide to fit through most doorways.
  • Two piece, flange tap orifice tube with interchangeable orifice plate* so you don’t have to carry more than one orifice tube around.
  • Customer choice of S304 orifice plate.
  • Optional orifice plates at additional cost: 1/2-inch, 1-inch, 2-inch, 3-inch, 4-inch, 5-inch or 6-inch ID. [12, 25, 50, 75, 100, 125 or 150 mm].  Click here to see maximum leakage you can test with each orifice plate.
  • 12.5 ft (3.8 m) of flexible duct.
  • 20 ft (6 m) of duct static pressure tubing.
  • Inlet damper and guard included with blower for varying airflow.
  • 230v, 3ph blower for the most demanding jobs. Can be wired for 460v at customer request.


  • 230v/1ph operation.
  • Custom digital gauges run on 9v battery.
  • Speed controller for precision control and low pressure or low leakage applications.
  • Additional orifice plates for wider leakage flow range.
  • Smoke machine



  • EN 1507, Ventilation for Buildings – Sheet Metal Air Ducts with Rectangular Section – Requirements for Strength and Leakage.
  • EN 12237, Ventilation for Buildings – Ductwork – Strength and Leakage of Circular Sheet Metal Ducts.
  • Eurovent 2/2, Leakage Rate in Sheet Metal Air Distribution Systems.
  • DW/143, Ductwork Leakage Testing.
  • SMACNA Air Duct Leakage Test Manual.

professional-engineer-stampStamped and Certified.
Anything Less is Rolling Dice.

Test Air Handlers!
Test Several floors at once!
Test 1035 cfm of leakage at 10 in.wg.!

rhino duct leakage tester front

rhino duct leakage tester horizontal