Rosemount™ 499ADO Dissolved Oxygen Sensor

Rosemount

Rosemount™ 499ADO Dissolved Oxygen Sensor

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.

Specifications

Measurement Range
0 to 20 ppm (mg/L) as O2. For measurements at the ppb level choose Model 499A TrDO
Accuracy
±0.2 ppm at 25°C
Ambient Temperature
32 to 122°F (0 to 50°C)
Dimensions
(std integral) 25 ft (7.6 m); (max) 300 ft (91 m)
Weight
1 lb/3 lb (0.5 kg/1.5 kg)

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.

Documents & Drawings

Training & Services