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Eta250 L Ultra

Optical Hydrophone

XARION's Eta250 L Ultra is a highly sensitive, membrane-free optical hydrophone. Designed to detect faint signals in the frequency range from 10 Hz up to 2 MHz with a millimetre-sized sensor head, it offers unique capabilities for ultrasound metrology in liquids. Using patented technology, the Eta250 L Ultra is immune to electromagnetic interference and features excellent long-term stability.

Besides high-frequency sonar for military and civil applications, it is also the perfect match for medical ultrasound and photoacoustics.

Features

  • Fiber-coupled, membrane-free optical hydrophone
  • Frequency range: 10 Hz–2 MHz with flat frequency response
  • Dynamic range: 1 mPa–10 kPa
  • Immunity to electromagnetic interference (EMI)