Ohmeda Tec 4 Anesthetic Vaporizer

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  • Tec 4 vaporizers are designed for "out of circuit" use in continuous flow techniques of inhalation anesthesia.
  • The vaporizers are temperature and flow compensated.
  • A single control dial, with a concentration scale calibrated in % of anesthetic agent.
  • To prevent accidental displacement of the cotrol dial from the "OFF" position to an "'ON", a release button is incorporated into the dial assembly. The Tec 4 can only be turned "ON" when the locking lever is turned to the "LOCK" position.
  • Agents: Isoflurane, Sevoflurane
  • Fillers: Funnel or Keyed
  • Mounting: Selectatec


Liquid Capacity

  • Amount of anesthetic agent to fully charge the vaporizer = 125ml.
  • Amount retained by Wick System = 35 ml

Weight and Dimensions:

  • Weight: 16.785 lbs (7.6 kg)
  • Height: 225 mm
  • Depth: 145 mm
  • Width: 105 mm


  • Calibration: Accurately calibrated at 21ºC and at elevated temperatures

Duration of Use

  • An approximate working figure 1.0 ml of liquid anaesthetic is required to provide 200 ml of vapour