Images are representations only.

499ADO Dissolved Oxygen Sensor

Brand: Rosemount
The 499ADO is a membrane covered amperometric sensor that continuously measures dissolved oxygen between 0 and 20 ppm. 

The primary application is wastewater aeration basins.
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
The 499ADO is a membrane covered amperometric sensor that continuously measures dissolved oxygen between 0 and 20 ppm. 

The primary application is wastewater aeration basins.
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

Specifications

Accuracy

  • ± 0.2 ppm at 25° C (77° F)

Ambient Temperature Range

  • 0° to 50° C (32° to 120° F)

Materials of Construction

  • Cathode: Gold

Measuring Range

  • Dissolved Oxygen Concentration: 0 to 20 ppm

NPT Connection

  • 1" NPT Male

Wetted Materials

  • EPDM
  • Noryl
  • Silicone
  • Teflon
  • Viton