Need More Details?
If you’d like to check stock availability, request the latest price, or view more product images, simply click the "Request for Price" button and our team will assist you promptly.

Rosemount 499ATrDO-54-VPLC Trace Dissolved Oxygen Sensor – High-Sensitivity Measurement for Critical Process Applications
The Rosemount 499ATrDO-54-VPLC Trace Dissolved Oxygen Sensor is designed for ultra-low-level oxygen measurement in demanding industrial and water analysis environments. Engineered with high precision and long-term stability, this sensor is widely used in power generation, boiler feedwater monitoring, pharmaceutical production, semiconductor manufacturing, and other processes requiring highly accurate trace dissolved oxygen detection. Its advanced design ensures fast response, excellent sensitivity, and reliable performance even in continuously operating systems.
Key Features
High-sensitivity trace dissolved oxygen measurement for critical low-oxygen applications.
Rapid response time ensures accurate real-time monitoring and improved process control.
Durable, chemically resistant construction ideal for harsh or high-purity environments.
Long-lasting membrane and internal components reduce maintenance frequency and operating costs.
Seamlessly integrates with compatible analytical transmitters for stable and accurate output.
Specifications
Model Number: 499ATrDO-54-VPLC
Type: Trace dissolved oxygen sensor
Measurement Range: Ultra-low DO levels suitable for high-purity water and critical processes
Body Material: Industrial-grade, corrosion-resistant construction
Membrane Cap: High-performance membrane designed for long service life
Operating Conditions: Suitable for high-temperature and high-purity water applications
Compatibility: Designed for use with Rosemount analytical transmitters
Applications: Power plants, boiler feedwater, pharmaceuticals, semiconductors, and ultrapure water systems
The Rosemount 499ATrDO-54-VPLC Trace Dissolved Oxygen Sensor delivers excellent accuracy, long-term stability, and dependable performance for industries requiring precise oxygen monitoring. Supported by Emerson’s strong reputation in analytical instrumentation, it ensures reliable operation and improved process efficiency. For inquiries, support, or availability, contact Ram Automations at info@ramautomations.com.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.