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499A TrDO Trace Dissolved Oxygen Sensor

Test Product

The 499A TRDO sensor is a membrane-covered amperometric sensor. It is primarily used to measure trace oxygen levels in deaerated boiler feedwater in steam electric power plants.

Features include

  • EASILY REPLACEABLE MEMBRANE; no special tools required
  • AUTOMATIC COMPENSATION for changes in membrane permeability with temperature
  • AUTOMATIC PRESSURE EQUALIZATION maintains correct membrane tension
  • SELF-DEPLETING DESIGN means rapid consumption of internal oxygen
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