The Calisto™ H1 includes the industry's premier solid-state hydrogen sensor technology in a robust yet compact package. It continuously samples the oil in transformers to detect spikes in hydrogen levels that are often indicative of an electrical fault.

The Calisto H1 is Doble's latest product from the Calisto Condition Monitoring Platform, which includes the Calisto T1, Calisto 2, Calisto 5 and Calisto 9 DGA monitors as well as the doblePRIME suite of products.

Features

• Sensing device immersed directly in oil for real-time hydrogen measurement
• Functionality over a broad temperature range
• High EMI/RFI rating
• IP68 Ingress Protection

Benefits

• Enable monitoring of more assets with this economical solution to provide a
  broader view of overall power system performance
• Reduce staff exposure to potential safety risk posed by on-site collection of an oil
  sample in a potentially volatile situation
• Manage communication via Modbus for data exchange with other applications
• Seamlessly integrate H1 data, along with data from other Doble condition monitoring
  instruments, into doblePRIME software for improved decision-making

Rated for a wide temperature range and marine exposure, the Calisto H1 installs directly onto a transformer and can withstand the harshest applications including:

• Small distribution transformers
• Vault transformers
• Wind farm transformers
• Railroad/traction transformers
• Offshore platforms

Visit our website, to find out more information on the Calisto H1.

About Doble Engineering Company

The team at Doble Engineering Company ensures that all people have reliable, safe and secure energy. We do this by being the leading global provider of advanced diagnostics and engineering expertise for the energy industry.

Founded in 1920, Doble is committed to the continuing education of our customers, and the support and training of the next generation of power industry workers - uniting the utility sector for an innovative future.

Doble serves customers around the globe; our companies and product lines include Manta Test Systems, Morgan Schaffer and Vanguard Instruments.

Doble is part of the Utility Solutions Group of ESCO Technologies Inc. (NYSE: ESE). For more information, visit: www.doble.com, follow us on Twitter @doble and connect on LinkedIn.