Rosemount™ 499ATrDO Trace Dissolved Oxygen Sensor

Rosemount

Rosemount™ 499ATrDO Trace Dissolved Oxygen Sensor

Rosemount

The Rosemount 499ATrDO sensor is a membrane-covered amperometric sensor for the continuous determination of ppb-level dissolved oxygen in water. The primary application is steam condensate and boiler feedwater.

Specifications

Weight
1 lb/3 lb (0.5 kg/1.5 kg)
Accuracy
<20 ppb ±1 ppb
>20 ppb ±5% of reading Drift: <4% over 60 days
Ambient Temperature
Operating: 5 to 45°C (41 to 113°F)
Storage: 0 to 60°C (32 to 140°F)
Weight
1 lb/3 lb (0.5 kg/1.5 kg)

Features

  • HIGH ACCURACY: + ppb error below 20 ppb
  • RAPID STABILIZATION following calibration or maintenance.
  • EASILY REPLACEABLE MEMBRANE, no special tools required.
  • AUTOMATIC COMPENSATION FOR CHANGES IN MEMBRANE PERMEABILITY
  • VARIOPOL CONNECTOR OPTION allows the sensor to be replaced without running new cable.

Documents & Drawings