声发射 MISTRAS R15参数解析 及采集卡
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Specificaons subject to change without noce. Copyright © 2011 MISTRAS Group, Inc. All Rights Reserved.
www.mistrasgroup.com
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G r o u p , I n c.
The R15α is a narrow band resonant sensor with a
high sensivity. The sensor cavity is machined from a
solid stainless steel rod, making the sensor extremely
rugged and reliable. The ceramic face along with a
30 degree chamfer to cavity electrically isolates the
sensor cavity from the structure under test assuring
a low noise operaon.
The compact size of the sensor makes it readily
suitable for deploying in ght spaces for monitoring.
The Alpha series family of sensors features an SMA
connector versus the Microdot connectors found
on MISTRAS’ RXX series of sensors. The alpha series
includes R3α, R6α, R15α, R30α, R50α, R80α and WSα
sensors.
This general purpose sensor provides a good
combinaon of high sensivity and low-frequency
rejecon. These properes make the sensor very
useful for monitoring common structures such as
pipelines, vessels, bridges, and storage tanks in
petroleum, refineries, chemical plants, offshore
plaorms, as well as factory and process monitoring
applicaons.
Peak Sensivity, Ref V/(m/s) ......................................... 80 dB
Peak Sensivity, Ref V/µbar ......................................... -63 dB
Operang Frequency Range ................................ 50-400 kHz
Resonant Frequency, Ref V/(m/s) ................................75 kHz
Resonant Frequency, Ref V/µbar ...............................150 kHz
Direconality .......................................................... +/-1.5 dB
Temperature Range ........................................... -65 to 175ºC
Shock Limit ....................................................................500 g
Completely enclosed crystal for RFI/EMI immunity
Dimensions ................................................0.75”OD X 0.88”H
19 mm OD X 22.4 mm H
Weight .....................................................................34 grams
Case Material...................................................Stainless steel
Face Material ............................................................ Ceramic
Connector ....................................................................... SMA
Connector Locaons ........................................................Side
Seal ............................................................................... Epoxy
Sensor to Preamp Cable (1 or 2 meters) ........... 1232-X-SMA
R15α .................................................................R15α or R15a
Magnec Hold-Down .............................................. MHR15A
Pre-amplier ...................................................... 0/2/4, 2/4/6
Amplier subsystems ... AE2A, AE5A or standard AE systems
Preamp to System Cable (specify length in ‘m’) .........1234-X
NIST Calibraon Cercate & Warranty
#210D-11-107-01
ISO 9001
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