Rosemount 499ATrDO Dissolved Oxygen Sensor, High Accuracy Measurement Device
The Rosemount 499ATrDO Dissolved Oxygen Sensor is a reliable, rugged, and easy-to-use amperometric sensor designed for measuring trace levels of dissolved oxygen in steam power plants and high purity cooling water systems. It offers fast response times and accurate readings down to 1 ppb level within hours.
Measurement Range:Between 0.1 ppb and 20 ppm
Operating Temperature:Up to 122 °F (50 °C)
Accuracy Below 20 ppb:±1.0 ppb
Calibration Time:Accurate within 5 hours after being placed in service
Connector Option:Variopol (VP6) for quick sensor replacement
Membrane Replacement:Simple without special tools needed
Automatic Pressure Equalization:Internal flexible bladder
Temperature Correction:Integral Pt-100 RTD
The Rosemount 499ATrDO Dissolved Oxygen Sensor is an easy-to-use, amperometric sensor designed with robust construction, making it perfect for demanding industrial environments like steam power plants and high purity cooling water applications. Its core strength lies in its ability to measure dissolved oxygen concentrations down to the 1 ppb level, ensuring accuracy and reliability even in the most challenging conditions. This sensor boasts an impressive fast comedown time, reaching accuracy at the 1 ppb level within just five hours of installation. With simple membrane and electrolyte replacement, the sensor’s lifespan can be extended significantly without the need for specialized tools. Furthermore, the Variopol (VP6) cable connector option simplifies installation and maintenance by eliminating cable twisting, allowing for quick and easy sensor replacement. Built with high-performance design principles, this sensor operates efficiently in process temperatures up to 122 °F (50 °C), offering a high accuracy of ±1.0 ppb when measuring concentrations below 20 ppb. The internal flexible bladder automatically adjusts to pressure changes, minimizing their impact on measurement results. Thanks to these features, the Rosemount 499ATrDO sensor stands out as a reliable and efficient choice for monitoring dissolved oxygen levels in critical industrial processes.
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