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Oriflow Cobra Duct Leakage Tester

Complete tester includes Cobra blower (115v/1ph/60hz or 230v/1ph/60hz), 5-inch orifice tube with your choice of orifice plate, dial gauges, four wheels for vertical or horizontal transport, calibration certificate, 12.5 feet of flexible duct, 20 feet of pressure tubing. Formerly called C1 model.

  • Positive and negative pressure testing
  • Simple analog gauges; no messy liquid-filled manometer fluids
  • 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
  • Two piece, flange tap orifice tube with interchangeable orifice plate so you don’t have to carry more than one orifice tube around
  • 3-inch ID S304 orifice plate
  • Optional orifice plates at additional cost: 1/2-inch, 1-inch, 2-inch, 3-inch or 4-inch ID
  • Twelve feet of flexible duct
  • Twenty feet of duct static pressure tubing
  • Inlet damper and guard included with blower for varying airflow
  • More powerful blower than the Lynx tester
  • Compact unit has same equipment and features but almost half the height!
  • Speed controller (115 or 230v)
  • Digital gauges run on 9v battery
  • Smoke machine
  • 230v/50hz/1ph blower
  • Additional orifice plates for wider leakage flow range.
  • 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
Product Brochure

User Manual