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Rosemount™ 499ATrDO Trace Dissolved Oxygen Sensor
Rosemount 499ATrDO Trace Dissolved Oxygen Sensor
Rosemount 499ATrDO Trace Dissolved Oxygen Sensor
The Rosemount 499ATrDO Trace Dissolved Oxygen (DO) Sensor is a membrane-covered amperometric sensor for the continuous determination of ppb-level dissolved oxygen in water.
This dissolved oxygen sensor is ideal for applications with steam condensate and boiler feedwater.
Rosemount™ 499ATrDO Trace Dissolved Oxygen Sensor

Specs

Accuracy
<20 ppb ±1 ppb
>20 ppb ±5% of reading Drift: <4% over 60 days
Temperature Range
32 to 122 °F (0 to 50 °C)
Measurement Range
0.1 ppb to 20 ppm
Pressure Range
0 to 65 psig (101 to 549 kPa abs)
Materials of Construction
Wetted Materials: Noryl™, Viton™, Teflon (TFE) and silicone

Features

  • High accuracy of ±1.0 ppb when measuring concentrations below 20 ppb
  • Rapid stabilization following calibration or maintenance
  • Easily replaceable membrane with no special tools required
  • Automatic compensation for changes in membrane permeability
  • Variopol (VP) connector options allows the sensor to be replaced without running new cable