19 May 2015
Proximion’s rugged FBG-based sensor provides reliable results up to 600°C.Proximion, Kista, Sweden, has launched the WistHeat series of fiber optic sensors designed for distributed temperature sensing.
The high-density fiber array sensors are suited to harsh environment processes and industries as they are specified for temperature monitoring up to 600°C and high-speed interrogation, performing up to 10,000 temperature readouts per second.
Over recent years, Proximion has been developing complete temperature monitoring systems including interrogator and analysis software on an OEM basis. In addition to the launch of WistHeat, Proximion has also launched WistSense, which is an ultra-fast interrogator that simultaneously measures 13 optical fibers, each with up to approximately 80 sensing points.
By combining WistHeat optical sensors with the WistSense interrogator, Proximion’s partners and customers can now design advanced systems for distributed temperature sensing.
The WistHeat series can be fully customized to meet any demands on sensor array length, separation of sensor elements or choice of wavelength. In the standard configuration the optical sensors are packaged in a hermetically-sealed stainless steel tube with an outer diameter of 800µm.
This configuration provides a thermal constant as low as 70 ms and long term stability up to 600°C (1,100°F). All Proximion fiber optical sensors are based on the Fiber Bragg Grating technology with a standard spacing between sensing elements of 5mm.
Proximion showcased the WistHeat series at the Sensor + Test exhibition (19-21 May 2015) in Nürnberg, Germany. The company also hosted a presentation on its recent development, entitled, “High density fiber array sensors for temperature monitoring 600°C and high speed interrogator with 10,000 temperature readouts per second”.
Proximion is not only the manufacturer of the world's longest continuous FBGs, it also manufactures FBG-interrogators and sensor packaging. In fact, everything from development to design and manufacturing is conducted at the company’s HQ in Kista, Sweden. The following video explains the recent WistHeat and Wistsense developments and gives further information about the Swedish company:
About the Author
Matthew Peach is a contributing editor to optics.org.
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