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OPTICAL SENSORS

We offer a host of carefully chosen set of optical sensors - both air coupled and immersion based. Our membrane-free optical microphones are designed for measurements in air as well as in liquids. Smart data acquisition systems process the acoustic signal into a meaningful format. We also provide bespoke solutions using thermoacoustic emitters and Laser based Ultrasound Non-Destructive Testing (NDT) Scanning Systems which is a versatile and easy to operate turn-key solution for a wide range of non-contact NDT applications. Contact us to discuss custom development of your next NDT measurement solution.

PRODUCT FEATURES COMPARISON

Eta450 Ultra

 

Membrane-free optical microphone

Frequency range 50 kHz–2 MHz

Self-noise: 5 µPa (BW: 1 Hz, measured @ 500 kHz)

Max. sound pressure for THD < 3%: 40 Pa

Dynamic range: 30-130 dB SPL @ 50 kHz-2 MHz

Eta250 Ultra

 

Membrane-free optical microphone

Low self-noise level

Frequency range: 10 Hz–1 MHz (acoustics and ultrasound)

Dynamic range: 50–150 dB (A) SPL

Eta100 Ultra

 

Membrane-free optical microphone

for very high sound pressure levels

Frequency range: 10 Hz–1 MHz (acoustics and ultrasonics)

Dynamic range: 80–180 dB (A) SPL


Eta450 Ultra Array

Membrane-free optical microphone linear array containing 8 optical microphones

Suitable for high-speed, non-contact ultrasound NDT measurements

Compact sensor head

Eight channels with 2 mm pitch

Custom channel number and pitch available on request

Eta250 L Ultra

Highly sensitive, membrane-free optical hydrophone. 

Designed to detect faint signals in the frequency range from 10 Hz up to 2 MHz

Highly sensitive, fiber-coupled optical hydrophone

Detection of small pressure amplitudes with a millimeter-sized sensor head

Immunity to electromagnetic interference (EMI)

Eta100 L Ultra

Optical hydrophone designed for ultrasound sensing in rugged environments. 

Covers 50 kHz to 10 MHz freq range 

Suitable for temperatures up to 100°C, resilient to decalibration by high pressure amplitudes

High versatility through small footprint and 10 MHz measurement bandwidth

Fiber-coupled optical hydrophone

Immunity to electromagnetic interference

contact us

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If you would like more information and/or want to procure any of these products, please fill up the enquiry form or get in touch with us via email at info@azeriri.com

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