International Conference of Doble Clients

Doble_March 2026
Omni Boston Hotel at the Seaport, MA
United States
Power Generation and Transmission
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Real-world power grid management strategies. That’s worth your time, and this year’s International Conference of Doble Clients promises tracks on developing new techniques, uncovering opportunities to improve safety and reliability and discussions on the latest innovations in power. 

Vaisala will be in booth 203 with our continuous, online dissolved gas analysis sensorsv. Scalable from single gas up to all 7 fault gases plus oxygen and nitrogen, these instruments enable data trending on the status of your transformers.

Explore the customer case

Explore how Xcel Energy, a prominent utility company, enhances its transformer fault assessment strategies by integrating a mobile online Dissolved Gas Analysis (DGA) monitor alongside traditional offline methods.


This case study highlights Xcel Energy’s experience using the Vaisala OPT100 DGA monitor on a mobile platform to analyze gassing patterns in transformers with abnormal lab-based DGA results.


By combining both methods and additional offline tests, Xcel Energy successfully diagnosed and managed a potentially problematic situation with a faulty transformer.  

The study underscores the synergy of offline and online DGA analysis in making more informed and confident maintenance decisions, improving grid reliability, and optimizing asset management & safety. 

LIFT-OPT100 installed at XCEL
Optimus™ DGA Monitor OPT100 installed at Xcel Energy site in West Texas 
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DGA Calculator on smartphone with text and graphs

Turn your DGA data into Duval Triangles and Pentagon

Visualize the state of your power transformer, with Duval Triangles, Pentagon, and gassing trend graphs. Supports IEC & IEEE standards, as well as data import & export.

Try the DGA Calculator