Standard Acoustic Emission Sensors

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Physical Acoustics’ sensors are built to “listen” to high frequency signals. Much like a highly-sensitive “ear,” Acoustic Emission sensors interpret the material’s “voice” into usable AE waveforms. Additionally, AE sensors help understand how materials behave in their natural setting.

AE sensors are a vital link in determining how to apply remedial solutions and repairs to resolve structural issues. AE sensors are used to test storage tanks, heat exchangers, piping, reactors, aerial lift devices, as well as gas, petro-chemical and nuclear power plants. Physical Acoustics’ sensors can be built with specific features to meet project or application specific needs.

Specifications

Acoustic Emission Sensors
Sensor / Description Operating Frequency Range Applications Catalogue
Airborne
AM21 – 23 kHz
22-25 KHz Airbone leak detection and monitor other
types of faults and failure conditions that
emit airborne ultrasonic sound at or
very near the sensor’s resonant frequency.
Model AM2I
Differential
D9241A - 10-100 KHZ
20-60 kHz Monitor big power transformers. Model D9241A
Flat Frequency Reponse
F15 – 100 – 400 kHz
100-450 kHz Structural health monitoring of large
structures like storage tanks, pipelines,
etc.
Model F15A
High Temperature
D9215 – 50 – 650 kHz
50-650 KHz High temperature, radiation
environments (Nuclear Power Plants).
Monitoring high temperature equipment
in power plants, aerospace engine
monitoring, pipelines, etc.
Model D9215
Integral Preamp
AM41 – 40 kHz
39 -42 kHz Airborne leak detection. It may also be
used to monitor other types of
faults and failure conditions that
emit airborne ultrasonic sound at or
very near the sensor’s resonant
frequency.
Model AM4I
Intrinsically Safe
ISR3CA-HT-30 kHz
10-100kHz Leak detection or structural health
monitoring in harsh environments
requiring intrinsic safety.
Monitoring of pipelines, pressure
vessels and storage tanks in petroleum
refineries, chemical plants and offshore
platforms.
Model ISR3CA-HT
Low Frequency
PK31 – 30kHz
15-40 kHz To be used with the Pocket AE, a small
handheld AE system, or with the
Sensor Highway II, an outdoor rated,
on-line monitoring system.
Model PK3I
Medium Frequency
PK15I
100-450 kHz To be used with the Pocket AE, a small
handheld AE system, or with the
Sensor Highway II, an outdoor rated,
on-line monitoring system.
Model PK15I
Acoustic Emission Sensors
Sensor / Description Operating Frequency Range Applications Catalogue
Miniature PICO 200 – 750 kHz Any application with a noisy
environment and requiring
a small size, midband frequency
response.
Their high sensitivity and bandwidth
makes them ideal for structural health
monitoring of critical structures
like aircrafts, storage tanks etc.
Typical applications include monitoring
for fatigue and corrosion cracking
in metals, delaminations and fiber
breakage in composites.
It can easily be mounted using epoxy
and can be mounted in small and
tight spaces.
Model PICO
Underground
R15-UG
50-200 kHz Structural health monitoring of
underground structures like
pipelines, oil tanks, tunnels etc.
They can also be used for monitoring
geological structures
and seismic activity.
Model R15-UG
Underwater
R15I
50-400 kHz Structural health monitoring of
submerged structures like offshore
oil and gas platforms, ships etc.
They can be used inside any liquid filled
platforms like pipelines, chemical tanks
or any other submerged structures.
Model R15I-UC
Wideband
F301-AST-150-750 kHz
150-700 kHz Flat response of these sensors help
eliminate the sharp rise and fall
in the sensitivity with frequency
commonly seen in resonant sensors,
providing additional information for
engineers to analyze.
Are well suited for research
applications where a high fidelity
AE response is required.