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Yokogawa releases fibre optic heat detector

Published by , Deputy Editor
Hydrocarbon Engineering,

Yokogawa Electric Corporation has announced that it has developed the DTSXTM1 fibre optic heat detector, an OpreXTM Field Instruments heat sensing and fire detection solution. Housed in an enclosure and suitable for use with Yokogawa-specified fibre optic cables, the DTSX1 is a cost-effective all-in-one facility monitoring and fire detection solution that is easy to install. It is expected that this solution will aid in the timely identification of maintenance issues and thereby improve plant uptime and reduce maintenance costs.

Product features

  • Cost-effective and easy-to-install all-in-one solution. All DTSX1 components including an easy-to-read display, relay output circuits, alarm circuits, and other hardware required for heat detection, are housed in a single enclosure measuring 50 cm (W) × 50 cm (H) × 25 cm (D). Suitable for use with Yokogawa-specified fibre optic cables and designed specifically for use in facility monitoring and fire detection applications, the DTSX1 is easy to install, taking approximately 30% less time to install, and costing less than a general-purpose fibre optic temperature sensor.
  • Able to measure data from four cables up to 16 km in length.The DTSX1 can accommodate up to four channels receiving temperature data via fibre optic cables that each can be up to 16 km in length. Based on a Yokogawa September 2018 survey, in terms of number of channels and total measurement distance, the DTSX1 outperforms all fibre optic heat detectors currently on the market. The number of channels can be set to 1, 2, or 4, and the measurement distance can be set to 2, 4, 6, 8, 10, or 16 km.
  • Ready-to-use GA10 templates for monitoring facility status.Templates have been created for Yokogawa’s GA10 PC-based data logging software that facilitate the display of DTSX1 data. Monitoring windows for each type of application enable the quick detection and location of failures.

Major target markets

The iron & steel, power, chemical, non-ferrous metal, pulp & paper, and oil & gas industries.


  • Detecting fire at coal conveyors in thermal power plants and iron mills.
  • Monitoring abnormal heat build-up in power cable racks.
  • Detecting fire in service tunnels.
  • Maintenance monitoring for furnaces in iron & steel and chemical plants.
  • Detecting fire in transit tunnels and other infrastructure.

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