image-[object Object]
Product Image

Rosemount™ 499ADO Dissolved Oxygen Sensor

The Rosemount 499ADO Dissolved Oxygen Sensor is a membrane-covered amperometric sensor that measures DO from 0 to 20 ppm.

The Rosemount 499ADO Dissolved Oxygen (DO) Sensor is a membrane covered amperometric sensor that continuously measures dissolved oxygen between 0 and 20 ppm. This DO sensor is ideal for measuring dissolved oxygen in aeration basins in municipal and industrial wastewater treatment plants.

Key Features

  • Installs in aeration basins or sidestream samples
  • Rugged construction
  • Easily replaceable membrane; no special tools required
  • Automatic compensation for changes in membrane permeability with temperature
  • Automatic pressure equalization maintains correct membrane tension
  • Variopol connector option allows the sensor to be replaced without running new cable