High Voltage Asset Monitoring

for power industry applications

​​​The power industry is currently facing the challenges of equipment coming to the end of its operational lifespan, the impact of overload situations, as well as an increasing number of network faults. Vaisala offers a diverse portfolio of real-time online measurement transmitters for utilities who want to mitigate these risks and safeguard their critical assets. Using Vaisala moisture-in-oil, hydrogen-in-oil, temperature, dew point, pressure and density meters, utilities can safely increase equipment performance and prepare timely maintenance plans to prevent unexpected outages. 

Power Transformer

Power Transformers

Online monitoring of hydrogen and moisture in power transformers helps minimize outages.

SF6 Gas Insulated Equipment

Confirm the Dryness of SF6 with a reliable dew point measurement.

Turbine Inlet Air

Optimize gas turbine performance by monitoring humidity.

Two worker watching the power tower and substation with sunset background

Hydrogen Cooled Generators

Achieve best yield by monitoring humidity and temperature of hydrogen cooled generators.

Air compressors

Compressed Air

With accurate dew point measurement you can reduce energy consumption by up to 20%.

Moisture in Oil Measurement

Vaisala has become the market leader for this application across multiple industries including power transformers, lubrication systems, maritime and paper industry.

High-voltage power lines

Download Power eBook

Explore Vaisala Power instruments and services offering.

Engineer or electrician checking status step up transformer high voltage at transformer yard

Watch Moisture in Transformer Oil Webinar

Learn more about moisture in transformer oil behavior

Drop on a green leaf -humidity

Humidity calculator

Humidity calculations and conversions made easy – online, offline and on the go.

Mona Lisa preserved by Vaisala

Vaisala helps preserve Mona Lisa

Learn how Vaisala helps preserve the world-famous painting.

Power Industry related products

OPT100 with door open

Optimus™ DGA Monitor OPT100

Ensure your power transformer stays operational longer. OPT100 brings unmatched long-term stability, reliability and measurement performance for detecting the formation of fault gases.

MMP8 head & body

Moisture in oil probe MMP8

Smart and robust. That’s Vaisala MMP8. Powered by the Vaisala HUMICAP® sensor technology, it has become a virtual standard in its field.

Multiparameter Transmitter DPT145

Our uniquely capable Multiparameter Transmitter for SF6 gas opens for you the world of online measurement of dew point, pressure, and temperature. It also calculates four other values, including SF6 density. 

Insight PC Software

Vaisala Insight PC Software gives quick access to the configurations and data of the Indigo family measurement probes and other supported Vaisala devices.

Related stories

Blog | Feb 4, 2019

Transformer oil moisture

Cigre published the latest technical brochure on moisture determination in transformers in August 2018. The brochure is called TB741, Moisture...
Read more