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Vibration sensors, Vibration switches
Vibration monitoring,
vibration measurements
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A
selection of recently
published
technical
articles, white papers, products
&
application examples: |
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| Miniature Triaxial Accelerometers for Modal
Analysis, 3263A Series |
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 Dytran
Instruments, Inc., a leading manufacturer of
piezoelectric and DC MEMS accelerometers, force sensors
and pressure transducers and associated electronics, has
introduced the 3263A series of miniature IEPE triaxial
accelerometers, with an overall weight of just 5.6
grams. Available in three sensitivities of 10, 50 and
100 mV/g, design of the Dytran 3263A series features
ceramic shear sensing elements, coupled with low noise
electronics and packaged in a lightweight titanium
housing. The 3263A series accelerometers offer a broad
frequency response with a 4-pin radial connector and an
internal 4-40 thread for stud mounting. Units are
hermetically sealed for reliable operation in high
humidity and dirty environments. The Dytran 3263A series
is ideal for use in a variety of automotive applications
including modal and structural analysis, Noise,
Vibration and Harshness (NVH), Squeak & Rattle, and
vibration control. ... |
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+ Info |
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IMI Sensors brochure update: "Vibration Switches" |
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 IMI
Sensors, a division of PCB Piezotronics, Inc. has
updated its "Vibration Switches" brochure. The updated brochure
highlights mechanical switches, electronic switches and the
patented Smart Switches specifically designed for protection of
cooling towers, fin fans, HVAC systems, blowers, motors and
other critical machinery. The IMI Sensors brochure features the
entire range of vibration switches from mechanical to electronic
switches and the recently launched Smart Vibration Switch. The
industry exclusive Smart Vibration Switch offers higher accuracy
and reliability than a mechanical switch for a very attractive
price. In addition, the switch is fully user programmable via
USB connection and operates with only two wires as a smart
upgrade of your existing mechanical switch. Our mechanical
vibration switches are typically used for less critical
situations and are available in weatherproof and explosion proof
versions. Electronic vibration switches are highly accurate and
boast a wide variety of features. Electronic versions ... |
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IMI Sensors Announces Availability of 4-20 mA Vibration
Transmitters for Monitoring Gas Pipeline Pumping Stations in Hazardous
Areas |
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 IMI
Sensors, a division of PCB Piezotronics, Inc.,
announces the availability of hazardous area-approved versions
of the company’s Series 640 industrial vibration transmitters
for monitoring motors and pumps at natural gas pipeline pumping
stations. These rugged and reliable two-wire, loop powered, 4-20
mA vibration sensors are manufactured to meet specific natural
gas industry design requirements, including certification in
accordance with ATEX and CSA for use in hazardous areas.
Vibration monitoring of motors and pumps at natural gas pipeline
pumping stations has proven effective for determining machinery
health, planning maintenance intervals, reducing downtime, and
avoiding catastrophic loss. IMI’s Series 640 provides a 4-20 mA
output signal that is proportional to the overall vibration
level of the machine being monitored. ... |
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+ Info |
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A
selection of recently
published
technical
articles & products:
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| MS9000 and VS9000 accelerometers families
from ±1 g to ±200 g for tilt, vibration and inertial
applications |
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 PEWATRON:
The MS9000 family has been extended to include a sensor
with a bandwidth of ±1 g. The ranges of ±1 g and ±2 g
are especially suitable for inclination measurement up
to ±60° and ±90° respectively. The accelerometers are
unique as the result of: * very deep temperature-related
hysteresis, * high zero-point stability (bias < 0.05 %),
* utmost reliability, up to 6000 g shock resistance, *
high temperature range -55 °C…+125 °C, * MIL-STD-833-G
certification, * small ceramic LCC20 housing. The MS9000
family is particularly well suited to civil and military
applications in the field of inertial navigation in the
aerospace industry as well as in railway technology and
platform stabilization.
Accelerometers manufactured by COLIBRYS are ideal
for AHRS (attitude and heading reference system)
applications. The MS9000 family has a bandwidth of up to
200 Hz. Where a higher bandwidth is required, for
example for
measuring vibration, ... |
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+ Info |
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| New IMI Sensors High Temperature
Accelerometer Kit for Vibration Measurement in Gas Turbines |
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 IMI
Sensors, a division of PCB Piezotronics, Inc.,
announces the worldwide launch of the company's
600B13/B14 high temperature
accelerometer kits for
vibration measurement in gas turbines. These high
temperature accelerometer kits include a side-exit
charge mode sensor, 10-foot integral hermetically sealed
hard-line cable, and integral ICP® charge amplifier for
multiple power generation monitoring applications,
including placement on turbines, exhaust systems, and
piping in extreme heat environments of +900°F/+482°C.
The new shear mode sensing element of the 600B13/B14
provides significantly improved performance for dealing
with transient temperature changes and spiking, a common
condition in gas turbines. In addition, by incorporating
an integral sensor, cable, and charge amplifier in a
single high-temperature accelerometer kit, gas turbine
operators have a complete measuring chain that
eliminates contamination and common mode noise concerns.
The integral ICP® charge amplifier allows for use with
standard data acquisition equipment. IMI's 600B13/B14
kits are designed as drop-in replacements for existing
accelerometers with ARINC® three-point mounting bases,
and have a higher temperature range than many competing
sensor types. ... |
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+ Info |
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IMI Sensors Expands Portfolio of DIN Rail
Products With New Universal Transmitter for 24/7 Industrial Vibration
Monitoring |
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 Building
on its broad portfolio of DIN rail products, IMI Sensors, a
division of PCB Piezotronics, Inc., announces the release of its model
682A16 Universal Transmitter for 24/7
vibration monitoring. Designed to
protect plant and process machinery (including pumps, motors, fans and
other critical rotating equipment) by providing crucial information that
avoids costly downtime and increases productivity and profitability, the
682A16 universal transmitter is ideal for vibration monitoring
applications with IMI’s 4-20 mA sensors or IMI’s ICP®
accelerometers,
and can be used with existing PLC, DCS, and SCADA systems leading to
alarm, control, or shutdown. The model 682A16 is a DIN rail mounted,
relay module with optional detachable front panel LCD display and
programmer (Model 070A80 sold separately) for industrial monitoring,
control, and alarm requirements. The 682A16 provides loop power for
2-wire, 4-20 mA sensors and ICP excitation for analog 8 mV/g to 120 mV/g
accelerometers. It also accepts a variety of sensor input signals
including mA, Thermocouple, RTD, Linear Resistance, and Potentiometer.... |
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+ Info |
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IMI Sensors Announces ATEX Approval of Series 686B Smart Vibration
Switch for Use in Hazardous Areas |
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 IMI
Sensors, a division of PCB Piezotronics, Inc., today
announced ATEX approval of the company’s Series 686B USB Programmable
Smart Vibration Switch, designed for 24/7 continuous protection of
cooling towers, fin fans, pumps, HVAC systems, and other critical
machinery operated in hazardous areas. Meeting ATEX and CSA approval
requirements for use in hazardous environments, the Series 686B is
hermetically sealed and mounts with a single stud like a sensor. This
Smart Vibration Switch includes an embedded piezoelectric accelerometer
for accurate measurement, monitors vibration velocity for more
consistent results, and provides the reliability not found in mechanical
switches. Series 686B also offers a remote reset capability and USB
programmable threshold and time delays to avoid false trips. The Series
686B is highly versatile, fully user programmable via USB, low cost, and
a drop-in replacement for most popular mechanical vibration switches,
since it only requires two wires and can replace legacy switches without
the need for additional cable runs. In addition to being a more reliable
device than mechanical vibration switches, the Series 686B is also a
significantly lower cost alternative for many electronic vibration
switch applications requiring single relay operation. ... |
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+ Info |
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More technical articles & products to this topic:
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Find
all manufacturers and suppliers of
vibration sensors, vibration switches
vibration monitoring,
vibration measurement devices |
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Colibrys MEMS accelerometers qualified by Siemens Mobility for high
speed trains |
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Siemens Mobility and Colibrys announced today that Colibrys’ MEMS
accelerometers have been successfully qualified for the latest
generation of German ICE high speed trains. The Velaro D train is the
fourth generation of interoperable high-speed trains made by Siemens
using distributed traction and the first integrating innovative bogie
monitoring systems. Future train systems are looking to reduce
maintenance costs, facilitate repair planning whilst at the same time
improving passenger and driver safety and comfort. Siemens has developed
a bogie monitoring system that detects wear within bearings, shafts,
brakes or wheels and identifies any potential bogie instability that
could provoke an accident. This is the first bogie monitoring system
designed and manufactured ever by Siemens Mobility. This highly
innovative bogie monitoring system uses 24 sensors per wagon and some
200 sensors per train. The first three trains will be produced in 2010
for final system qualification in 2011. The system represents the latest
state of the art safety monitoring using a combination of DC low
frequency MEMS based vibration sensors coupled with high frequency Piezo
sensors. These two types of sensors are mounted on the bogie and axle to
measure wheel, axel, bearing condition and wear. The adoption of
Colibrys products, confirms that MEMS accelerometers can work in the
harshest of environments and that Colibrys continues to be regarded as
the world’s leading supplier of accelerometers in such demanding
applications. ... |
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IMI Sensors Announces ICP® In-Line Vibration Transmitter, Turn Existing
Accelerometers into 24/7 Vibration Monitoring Sensors |
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IMI
Sensors – a division of PCB Piezotronics, Inc. the industry’s
No. 1 supplier of 4-20 mA Vibration Transmitters, announces the release
of their model 682A09 ICP® In-Line 4-20 mA Vibration Transmitter.
Another IMI Sensors industry-first, the model 682A09 installs in line
with any industrial
accelerometer and converts the vibration signal to a
4-20 mA velocity output that can be trended with today’s PLC, DCS or
SCADA control room systems. Its sleek design installs right into the
cable run, no DIN rails, cabinets or special power required. Now
customers can take their existing accelerometers and turn them into 24/7
vibration monitoring devices for their most critical machinery. ... |
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Kistler Instrument Corporation Type 8688A IEPE Triaxial TEDS
Accelerometer with Industry-Exclusive, Patented Low Mass Design |
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Sensors
Ideal for Modal and Structural Analysis, General Purpose Vibration
Measurements. Kistler Instrument Corporation, a worldwide
supplier of precision sensors, systems and instrumentation for the
dynamic measurement of pressure, force, torque and acceleration, has
announced the debut of Type 8688A, a globally patented (U.S. patent
number 12,088,325) series of low-cost high-sensitivity IEPE triaxial
accelerometers, with optional TEDS, designed to simultaneously measure
vibration in three orthogonal axes. Available in ranges of ±5g, ±10g and
±50g, with choice of 100, 500 or 1000 mV/g sensitivities, the Type 8688A
IEPE triaxial range incorporates Kistler PiezoBeam® technology, with an
integral ceramic cantilevered beam, enclosed within a lightweight (less
than 6.7 grams for 1000 mV/g), robust, welded titanium housing. Sensing
elements are designed to provide outstanding amplitude and phase
response over a wide frequency range and are temperature compensated
using Kistler’s own patented methods. Type 8688A sensors feature an
integral low-noise charge amplifier that converts the charge signal to a
proportional high level voltage signal, at an output impedance of less
than 500 ohms. Units are ground isolated when mounted with a mounting
clip or adhesive mounting adapter. Type 8688A triaxial accelerometers
offer ... |
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High Temperature Differential Accelerometers, 3235C Series |
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Dytran
Instruments has recently developed a new series of differential
output charge mode accelerometers. The 3235C series are high
temperature, high sensitivity charge output accelerometers designed to
measure vibration of surfaces at temperatures up to +500°F (+287°C).
These units are unique in that they feature high charge sensitivity
while also offering a balanced differential output. The 3235C series are
available in three versions, which differ only in sensitivity: 50 pC/g
(3235C1), 100 pC/g (3235C2) and 200 pC/g (3235C3). Featuring a
transverse mounted glass-to-metal sealed 2-pin connector and an industry
standard 3-bolt mount, as well as being packaged in a hermetically
sealed Inconel housing, the 3235C series are ideal for turbine engine
vibration measurements and industrial monitoring in high temperature
environments. The 4190 features a large digital front panel meter, a
bias test switch to verify proper accelerometer operation, and an output
jack for monitoring the output signal of the accelerometer with ... |
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Find
all manufacturers and suppliers of
vibration sensors, vibration switches
vibration monitoring,
vibration measurement devices |
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Low Cost Industrial Grade LCC and JLCC
Accelerometers |
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Silicon Designs' LCC and JLCC accelerometers are rugged,
easy-to-use sensors for measuring shock and vibration. The low cost,
industrial grade 1010, 1210, and 1221 accelerometers have low impedance
outputs and are ideally suited for zero to medium frequency
instrumentation applications. Each miniature, hermetically sealed
package combines a micro-machined capacitive sense element, a custom
integrated circuit, and a sense amplifier. The 1010 includes a
sigma-delta A/D converter while the 1210 and 1221 have a sense amplifier
and differential output stage. All three models are relatively
insensitive to temperature changes and gradients. Each device is marked
with a serial number on its bottom surface for traceability. An optional
calibration test sheet is also available which lists the measured bias,
scale factor, linearity, operating current and frequency response. The
2g version of the 1221 is ideally suited for seismic applications ... |
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PCB Piezotronics, Inc. ICP®
Accelerometer, Designed for High Random Vibration Shaker Testing |
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PCB
Piezotronics, Inc., a world leader in vibration, acoustic, pressure,
force, and torque sensors, is pleased to announce Model 352B70, the
newest sensor in the family of accelerometers designed for extreme
testing found only in shaker labs. PCB has worked closely with shaker
labs around the world developing accelerometers specifically designed to
withstand this demanding application. PCB Model 352B70 has a ± 5000g
measurement range to accommodate the varying amplitudes experienced
during high random vibration test profiles; a built-in 2 pole low pass
filter to help reduce the possibility of saturation due to the presence
of high frequency energy that may be present above your frequency band
of interest; and is hermetically sealed in a titanium housing to ensure
survivability in harsh environments. The robust sensor is also
electrically isolated to prevent unwanted electrical interference or
ground loops, and has a low mass design weighing in at only 4.3 grams.
Supplied with mounting studs and an adhesive base allows for a variety
of mounting capabilities. PCB Piezotronics, Inc. is a global leader in
the design and manufacture of force, torque, load, strain, pressure,
acoustic and vibration sensors ... |
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+ Info |
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Portable Vibration Meter, Model 4190 |
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Dytran
Instruments has released a new portable vibration meter, which is an
excellent tool for field testing accelerometers. The model 4190 can be
used in conjunction with a hand-held shaker for sensor validation. The
model 4190 converts the vibration signal from a 10 mV/g or 100 mV/g IEPE
accelerometer to the PEAK value of the vibration signals generated by
these sensors. It has a built in power supply that provides 2 mA of
current at +18 VDC compliance to operate either a 10 mV/g or 100 mV/g
IEPE accelerometer. Two rotary switches allow the user to select between
a 10 mV/g and 100 mV/g accelerometer input and full scale ranges of 2g,
20g and 50g. The 4190 features a large digital front panel meter, a bias
test switch to verify proper accelerometer operation, and an output jack
for monitoring the output signal of the accelerometer with an
oscilloscope. Two replaceable 9V batteries allow for 10 hours of
continuous operation. ... |
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Silicon Designs Announces New Low-Cost
Universal Triaxial Accelerometer |
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Silicon
Designs, Inc. announces a new triaxial accelerometer that meets the
market’s needs for a rugged, easy-to use tool for measuring shock and
vibration. This universal module goes against the industry norm of
specialization and instead will work in a wide variety of applications,
saving valuable time and money for customers. Silicon Designs, Inc.
(SDI) just released its new 2460 triaxial capacitive accelerometer, a
major improvement on existing technology. This new model has an Anodized
Aluminum Case with an integrated amplifier, full-scale ranges from 2 to
400g’s, -40 to +85°C operating temperature ranges, and weighs in at only
30 grams. It has a differential output that can drive up to 15 meters of
cable, it can accept +8 to +32V DC power, and it responds to DC and AC
acceleration. The 2460 really stands out from competing products
economically by costing over 10% less while delivering better
performance under an enormous range of applications. Most companies
design accelerometers for ... |
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High Temperature Accelerometer for Automotive Engine & Exhaust Analysis |
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Dytran
Instruments, Inc. is pleased to introduce the model 3092C which is a
high temperature, piezoelectric charge output accelerometer. Designed
for use in vibration studies in high temperature environments, this unit
is capable of operating in temperature ranges of -60° to +900° F (-51°
to +482° C). Model 3092C has a nominal sensitivity of 5 pC/g and an
upper frequency range of 5,000 Hz. The 3092C features a 10-32 radial
connector, a 10-32 mounting hole, stainless steel construction and a
hermetic seal. The 3092C mates with an all new hardline cable assembly,
model 6894AXX. Potential applications include turbine engine vibration
monitoring, vibration studies of automotive engine and exhaust systems,
and general purpose vibration measurements under ultra high temperature ... |
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Find
all manufacturers and suppliers of
vibration sensors, vibration switches
vibration monitoring,
vibration measurement devices |
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Ultra Low Noise Miniature Triaxial
Accelerometers with TEDS |
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Dytran
Instruments, Inc. has just released a new miniature triaxial
accelerometer designed for modal analysis testing. The 3273AT series
features a robust, laser welded titanium design which includes ceramic
sensing elements coupled to ultra low noise JFET electronics. It
includes IEEE 1451.4 TEDS. With a low end frequency response of -10%
down to 0.31 Hz, the 3273AT series accelerometer offers excellent phase
response at low frequencies. It also features an excellent signal to
noise ratio. The 3273AT series accelerometers are available in
sensitivities of 10 mV/g, 50 mV/g and 100 mV/g. Featuring a hermetic
seal, adhesive mount and a single 4-pin connector, this triaxial IEPE
accelerometer weighs only 2.7 grams. Its titanium housing contributes to
its lightweight, which provides for minimal mass loading of the
accelerometer on the test article. This family of accelerometers is
unique in that the labels of the axes X, Y and Z are laser marked in a
large font size on three orthogonal faces, which aids the user in
orienting the sensor. Designed for modal analysis applications, the
3273AT series accelerometers are also ideal for the following
applications: general triaxial vibration ... |
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PCB Piezotronics, Inc. Series of Low Temperature Coefficient Triaxial
ICP® Accelerometers |
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PCB
Automotive Sensors – a division of PCB Piezotronics, Inc.,
introduces a series of low temperature coefficient, triaxial ICP®
accelerometers. PCB® Series 339A Triaxial ICP® accelerometers are
designed with a low temperature coefficient, wide operating temperature
range, and good broadband measurement resolution. With an operating
temperature range from -65 to +325 °F (-54 to +163 °C) and a temperature
coefficient of less than 0.0125% / °F (0.02% / °C) these sensors are
ideal for powertrain testing, NVH, road load data acquisition, and
durability testing in climatic chambers. Additionally, these sensors
have a measurement range to 10 kHz and a built in low pass filter to
alleviate the effects of high frequency overloads caused by
metal-to-metal inputs commonly encountered in powertrain vibration
testing. Sensors are available in both stud and adhesive mounting
configurations. PCB Automotive Sensors is a dedicated technical sales
and support group, located in Novi, Michigan, USA, devoted to the
testing needs of the global transportation market. This team is focused
on development and application of sensors and related instrumentation
for specific vehicle development test ... |
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Model 2260 - Analog Accelerometer Module |
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Silicon
Designs, Inc.: The 2260 combines durability, quality, and a
user-friendly design in a low-cost single axis accelerometer module for
measuring shock and vibration in a wide variety of applications. The
2260 features an integrated model 1221L accelerometer with high drive,
low impedance buffering for measuring acceleration in
commercial/industrial environments. It is tailored for zero to medium
frequency instrumentation applications. The 2260 features a 1221L
accelerometer in a rugged case for measuring accelerations in
commercial/industrial environments. This module is tailored for zero to
medium frequency instrumentation applications. Its anodized aluminum
case is epoxy sealed and is easily mounted via two #4 (or M3) screws.
On-board voltage regulation and an internal voltage reference eliminate
the need for precision power supplies. It is relatively insensitive to
temperature changes and thermal gradients. The cable's shield is
electrically connected to the case while the ground (GND) wire is
isolated from the case. An optional initial calibration sheet (2260-CAL)
and annual calibration are also available. * Accurate, Easy-to-Use
Alternative to Piezoresistive Accelerometers ... |
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Ultra Miniature Teardrop Accelerometers
Weighing 0.6 Grams |
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Dytran
Instruments, Inc. has recently introduced two new units to the 3225F
family of ultra miniature IEPE accelerometers. Models 3225M5 and 3225M7
have a sensitivity of 1 mV/g, and are ultra miniature, ultra low profile
sensors designed to mount in spaces inaccessible to other types of
accelerometers. Featuring a titanium case and weighing only 0.6 grams,
these instruments are ideal for the measurement of shock and vibration
of very small lightweight specimens such as printed circuit boards and
board-mounted components. Designed for adhesive mount, these units may
be mounted in very narrow spaces only slightly greater than 0.25 inch
wide. Their height is only 0.15 inch. Both models 3225M5 and 3225M7 have
a special 3-56 coaxial connector which mates with a replaceable coaxial
cable (supplied). The cable for the 3225M5 is model 6003A03, and it is 3
feet long and has a 10-32 coaxial jack at the end. Cable 6003B10 is
supplied with the 3225M7 accelerometer, and it is 10 feet long and has a
10-32 coaxial plug ... |
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Laser Triangulation System |
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MTI
Instruments Inc.: MTII's Microtrak family of laser triangulation
sensors offer high speed, high resolution displacement, position and
vibration measurements. The Microtrak features state-of-the-art CMOS/CCD
laser triangulation technology which is ideal for solving tough in-proceess,
production and quality control applications. The large variety of laser
triangulation sensors provide operating distances to 300mm, measurement
ranges to 200mm and measurement resolution to less than 1 micron. The
Microtrak II comes standard with an interface controller that provides a
convenient digital display of the target position, alarm set points and
connections for analog and RS-485 outputs.. ... |
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Find
all manufacturers and suppliers of
vibration sensors, vibration switches
vibration monitoring,
vibration measurement devices |
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Ultra Low Noise Triaxial Accelerometer
for Modal Analysis, 3333A Series |
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Dytran Instruments, Inc. has just released a new series of
miniature triaxial accelerometers, weighing just 2.3 grams. The 3333A
series was designed for modal analysis testing and general purpose
vibration testing, and has a robust, laser welded titanium design which
includes ceramic sensing elements coupled to ultra low noise JFET
electronics. The 3333A series is unique in that it features an ultra
miniature 4-pin connector. Compared to the industry standard 4-pin
connector (1/4-28 thread size), the connector on the 3333A series is
approximately 20% smaller in size. This substantial size difference
allows for a more flexible, lighter weight cable, a smaller diameter for
the connector, and also contributes to the smaller size of the sensor
itself. With a low end frequency response of -10% down to 0.31 Hz, the
3333A series accelerometers offer excellent phase response at low
frequencies. It also features an excellent signal to noise ratio. The
3333A series are available in sensitivities of 10 mV/g, 50 mV/g and 100
mV/g. Featuring a hermetic seal and adhesive mount, this triaxial IEPE
accelerometer ... |
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PCB Piezotronics 1200 °F (649 °C) Hi-temp Accelerometer Ideally Suited
for Flight Testing and Turbine Engine Test Cells |
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PCB
Piezotronics, Inc. introduces Model 357C90 Hi-temperature,
hermetically sealed accelerometer for engine turbine testing during
flight test or in ground based test cells. Other applications include
environmental chamber testing, or exhaust system vibration measurements
on rocket or automotive engines up to 1200 °F (649 °C). The charge
output unit features hi-temperature Inconel construction, sensitivity of
5 pC/g, measuring range to 1000 g’s peak, frequency response of 2.5 kHz,
and resonant frequency over 14 kHz. The unit is supplied with an
integral 10 foot (3 m) hi-temperature connecting cable, and is easily
mounted via a thru-hole Ľ-28 thread bolt. Additional products are
available from PCB to complete the measurement system, such as Airborne
amplifier Model 422M201 or in-line charge amplifier Series 422E30, and a
supporting family of Series 482 ICP® power supplies. Model 357C90 is
backed by our guaranteed Total Customer ... |
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PCB Piezotronics Submersible Accelerometers |
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PCB Piezotronics, Inc.
introduces a sealed, watertight, integral cable assembly that ensures
signal fidelity is not compromised due to liquid ingress. Available on
many PCB® sensors, this alternative sealing technique is extremely
valuable when used in gearboxes, transmissions, flow tubes and valves,
sealed chemical reactors with mixers, and when measuring structural
reactions to turbulence. In many industries, a component or location
that requires testing or monitoring may be splashed or submerged in
water, oil, or other liquid rendering the test invalid and possibly even
destroying the senor. While consideration must be given to the sensor
housing material, accelerometers are devices that generate electrical
signals. In order to prevent contamination and degradation of the
measurement signal via the cable, it is imperative to protect the signal
transmission path to make certain the liquid will not chemically
compromise the seal; using a PCB sensor with the new watertight integral
cable assembly virtually eliminates worry, downtime, and added expenses,
allowing for continued, accurate measurements. PCB Piezotronics, Inc. is
a global leader in the design and manufacture of force, torque, load,
strain, pressure, acoustic and vibration sensors ... |
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Ultra High Temperature Vibration
Measurement System |
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Dytran
Instruments, Inc. is pleased to announce the release of a unique
high temperature vibration monitoring system, model 5334. This unit
consists of a high temperature charge mode accelerometer and an in-line
miniature differential charge amplifier which operates from a constant
current 2-wire (IEPE) power unit. The configuration is known as a hybrid
system because it combines a differential charge mode accelerometer with
IEPE technology. The accelerometer and charge amplifier are permanently
joined together as a single unit with the interconnecting hard line
cable permanently connected. The accelerometer is connected to the input
of the charge amplifier via an 18 inch long hard line cable (SIO2
insulated) which is unaffected by the high temperature at the
measurement point. ... |
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Ultra Miniature Triaxial Accelerometer,
Weighing 0.8 Grams |
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Dytran
Instruments, Inc. is pleased to announce the release of the world’s
smallest triaxial IEPE accelerometer! The 3133A series are miniature,
low profile, triaxial accelerometers designed to mount in spaces
inaccessible to other types of triaxial accelerometers. This model is
the world’s smallest true IEPE accelerometer featuring sensitivities of
2 mV/g, 5 mV/g and 10 mV/g. Featuring a titanium case and weighing only
0.8 grams, this instrument is ideal for shock and vibration testing of
very small lightweight specimens such as printed circuit boards,
board-mounted components and other miniature products. The 3133A series
can operate at temperatures up to +300°F. ... |
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vibration sensors, vibration switches
vibration monitoring,
vibration measurement devices |
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Cost Effective High Temperature
Accelerometers for General Purpose Vibration |
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Dytran
Instruments, Inc. is pleased to release a new family of
accelerometers. The 3255C and 3256C are charge mode accelerometers that
are an excellent cost effective solution for general purpose vibration
applications under high temperatures. Models 3255C and 3256C are light
weight charge mode accelerometers with 15 pC/g sensitivity. These units
feature a robust, laser welded titanium construction which includes a
ceramic sensing element. They are hermetically sealed, weigh only 10
grams, and have a 10-32 mounting hole. Model 3255C has a 10-32 radial
connector and model 3256C has a 10-32 axial connector. To learn more
about model 3255C and 3256C ... |
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Miniature Triaxial Accelerometer |
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Dytran
Instruments, Inc. has just released a new model to the 3023A family
of miniature triaxial accelerometers. Model 3023M27 is triaxial in
configuration yet weighs only 3 grams. It is hermetically sealed and has
a footprint of 0.36 inches x 0.36 inches. The 3023M27 has a sensitivity
of 10 mV/g and features a 4-pin radial connector and adhesive mount. It
is unique in that the labels of the axes X, Y and Z are laser marked in
a large font size on three orthogonal faces aiding the user in orienting
the sensor. It is ideal for use in modal analysis, noise vibration and
harshness (NVH), Environmental Stress Screening (ESS) and general
purpose triaxial vibration where space is at a premium. To learn more
about model 3023M27 ... |
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Submersible Accelerometer for General Purpose Vibration Measurements |
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Dytran
Instruments, Inc. is pleased to introduce a new general purpose
accelerometer for underwater vibration measurements. Model 3217A has a
sensitivity of 100 mV/g and was specially designed for submersible
applications with a factory molded urethane boot and urethane cable.
This rugged IEPE accelerometer features shear design ceramic seismic
elements for high natural frequency and ruggedness. An on-board
miniature IC amplifier converts the very high impedance voltage signals
from the crystal to a much lower impedance level which allows this
instrument to drive long cables with negligible signal loss. Model 3217A
features a hermetic seal, adhesive mount and weighs only 5 grams. It is
electrically isolated from the mounting surface to avoid annoying group
loops which can cause spurious signals to interfere with the
measurements. ... |
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Monitoring Overall Vibration Levels on
Critical Machinery in Hazardous Areas |
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The
IMI Sensors division of PCB Piezotronics (PCB®) has
released Series EX64xB7x, a line of loop-powered 4-20 mA output sensors
with a 1-inch NPT, 90° capped elbow conduit, to meet ATEX and CSA
approval requirements for use in hazardous areas. Sensors operate from
standard 24V loop power, making them directly compatible with existing
PLCs, SCADA, DCS, and Plant Information (PI) systems, for continuous
vibration monitoring of overall vibration levels on critical machinery
in hazardous area application environments. Sensors are available with
either acceleration or velocity outputs and in various amplitude ranges.
Outputs of peak or RMS vibration can be selected, as well as optional
temperature or raw vibration outputs. The raw vibration output provides
a buffered signal that can be used with vibration data collectors to
perform detailed diagnostic ... |
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MICROTRAK II Stand-alone laser sensors,
Laser Triangulation Systems |
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High
speed laser sensors designed to operate independently, without a
controller, for high volume OEM, production and QC application. MTI
Instruments Inc.: MTII now offers the performance of our standard
Microtrak II Laser Triangulation System in a versatile high speed
stand-alone configuration for measuring displacement, position,
vibration and thickness. Unaffected by surface texture, color or stray
light, the Microtrak II is ideal for solving tough production
measurement applications throughout a variety of industries. The new
Microtrak II Stand-Alone Laser Head uses the latest CMOS - CCD detection
technology for accurate and reliable measurements making it ideal for
high volume OEM, production and quality control applications.
Configuration of system parameters such as measurement units, frequency
response and cut time are easily accomplished through a laptop or
desktop using the included MTII proprietary Remote Control Software
program. Applications: * Thickness, * Warpage, * Alignment, *
Displacement, * Vibration, ... |
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all manufacturers and suppliers of
vibration sensors, vibration switches
vibration monitoring,
vibration measurement devices |
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IMI Sensors Series 686B USB Programmable Smart Vibration Switch for
Cooling Towers, Fin Fans, Pumps, HVAC System Protection |
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The
IMI Sensors division of PCB Piezotronics (PCB®) has
released Series 686B USB Programmable Smart Vibration Switch, designed
for 24/7 continuous monitoring and protection of cooling towers, fin
fans, pumps, HVAC systems, and other critical machinery. Series 686B
offers a smart alternative to unreliable mechanical switch technology.
This electronic switch has much better accuracy and reliability than
traditional mechanical switches, and is easily installed in place of
existing mechanical switches, since it only requires two wires – and can
replace legacy switches without the need for additional cable runs.
Series 686B also offers a remote reset capability and USB programmable
delays to avoid false trips. This universally powered unit is
hermetically sealed for use in the harshest of environments, mounts with
a single stud like a sensor, and is available for use in ... |
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Fiber Optic Measurement Systems |
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MTI
Instruments Inc.: MTII offers advanced fiber-optic based measurement
instruments and sensors for displacement, position and vibration
applications. With frequency response to 500 kHz and resolution to 2.5
Angstroms these sensors are ideal for high performance measurement
applications that require non-contact sensing technology. High
resolution vibration measurements are provided through MTII's MTI-2100
Fotonic sensor which offers both digital and analog outputs of vibration
and displacement. Customized fiber-optic probes are available for high
temperature and harsh environment applications. ... |
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High Performance Triaxial Accelerometer
Series for Measurement of Worker Personal Exposure to Hand-Arm Vibration
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The
Larson Davis division of PCB Piezotronics (PCB®) has announced
the launch of a new series of high performance triaxial accelerometers,
Series SEN04xF, designed expressly for taking measurements of worker
personal exposure to Hand-arm Vibration (HAV). Designed with special
integral low-pass filtering circuits that minimize false readings from
shock and mechanical resonances, Models SEN040F (1 mV/g sensitivity) and
SEN041F (10 mV/g sensitivity) are smaller, lighter and more precise than
typical sensors. SEN04xF series sensors can be mounted onto a variety of
mechanical mounting adapters for HAV studies; feature miniature four pin
connectors; and are available with new heavy-duty cables that interface
directly with the Larson Davis HVM100 Human Vibration ... |
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MTI-2100 FOTONIC - Fiber Optic
Measurement Systems |
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Extremely
high resolution fiber-optic sensor for vibration and displacement
measurements. MTI Instruments Inc.: The MTI-2100 features
advanced fiber-optic and electronic technologies for precise
measurements of displacement, position and vibration. It sets new
performance standards with resolution up to 0.01 uin. (2.5 Angstroms)
and frequency response from direct-coupled (dc) up to 500 kHz. The
MTI-2100’s modular design has the flexibility to be tailored to specific
requirements through the use of a wide range of interchangeable and
custom fiber-optic probes. These probes are immune to electromagnetic
interference (EMI) and operate on almost any type of surface: metallic,
composite, plastic, glass, ceramic or liquid. Applications: * Modal
Analysis, * Ultrasonic Horn Vibration, * Displacement, * Position
Sensing, * Fatigue Testing, * Surface Flaw Detection, * Edge Detection,
* Piezo Motion, * Bearing Analysis. ... |
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IMI Sensors Short Form Brochure “Vibration Monitoring Instrumentation” |
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The
IMI Sensors division of PCB Piezotronics (PCB®) has
released a comprehensive brochure, highlighting its latest offerings in
accelerometers, vibration transmitters, switches, meters, cables,
connectors and accessories for machinery condition monitoring and
predictive maintenance. Sensors for permanent installation and detailed
analysis and diagnostics are featured, as well as loop-powered 4-20 mA
transmitters, for interface to existing PLC, alarm, Plant Information
(PI) and SCADA systems. Also included are models which offer low-cost;
high frequency (to 30k Hz, even with a magnet); or high-temperature (to
+900 °F); as well as new industry exclusive products, such as Model
621B40 high frequency sensor for turbomachinery; Model 699A02 1g
handheld shaker, for verification of sensor performance right at the
machine; and patented Bearing Fault Detector and Reciprocating Machinery
Protector, as well as Series 686B USB programmable smart vibration
switch, which offers a drop-in replacement for ... |
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all manufacturers and suppliers of
vibration sensors, vibration switches
vibration monitoring,
vibration measurement devices |
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Capacitance
Measurement Systems |
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MTI Instruments Inc.:
Highly accurate, stable capacitance measurement sensors and probe
systems for a wide variety of displacement, position, vibration and
dimensional gauging applications. Our Accumeasure product line consists
of single and multiple channel capacitance rack systems that can accept
up to 10 capacitance sensors with individual analog measurement outputs.
Custom OEM capacitance sensors are available for intergration into
machine tools and inspection systems with linearity to 0.01% of the
measurement range. ... |
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Accumeasure 1500 - Capacitance
Measurement Systems |
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Affordable,
multi-channel capacitive measurement sensors for a wide variety of
general gaging applications. MTI Instruments Inc.: Affordable
Non-contact Gaging Sensors. The Accumeasure 1500 is a multi-channel
capacitive displacement sensor for production, quality control or
laboratory applications. With a frequency response up to 5 kHz, and low
noise levels, it is ideal for a multitude of general gaging
applications. Using a patented approach, the probe to target gap is
converted to a linear 0-10 Vdc output. Displacement, position or
vibration is presented on the digital display, or can be output to an
oscilloscope or data acquisition system. Optional push/pull probes are
available for ungrounded targets. Applications: * Dimensional Gaging, *
Shaft Runout, * Structural Analysis, * Film Thickness, * Motor
Vibration, * Micro-Positioning, * Web Thickness, * Alignment, * Leveling ... |
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Microtrak II - Laser Triangulation
Systems |
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High
speed laser sensor utilizing the latest CMOS / CCD technologies ideal
for industrial/process automation and quality control applications.
MTI Instruments Inc.: High Speed Laser Sensor utilizing the Latest
CMOS / CCD Technology. The Microtrak II features state-of-the-art CMOS
laser triangulation technology for precise measurements of displacement,
position, vibration and thickness. Unaffected by surface texture, color
or stray light, the Microtrak II Laser Measurement System is ideal for
solving tough production applications throughout a variety of
industries. Applications: * Thickness, * Warpage, * Alignment, *
Displacement, * Vibration, * Step Height, * Run-out, * Go/No Go
Decisions, * Presence/Absence, * Fill Height, * Flatness, * Profile, *
Thermal Expansion/Contraction, * Structural Dynamics, * Dimensional
Gauging. ... |
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ACCUMEASURE 9000 - Capacitance
Measurement Systems |
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Ultra-high
precision capacitive measurement sensor offering nanometer accuracy and
stability. MTI Instruments Inc.: An Ultra-high Precision
Capacitance Gage Offering Nanometer Accuracy. Outstanding accuracy,
stability and repeatability are the hallmarks of the Accumeasure System
9000, a high-resolution, capacitance-based instrument that provides the
perfect solution to many previously unattainable measurement
applications. Fast response time and extremely low noise levels make it
ideal for critical measurements of targets such as rotating
spindles/shafts, disks, tires, X-Y stages and semiconductor wafers. The
AS-9000 delivers nanometer level resolution for ultra-high-precision
measurements - each and every time. It is portable, lightweight,
compact, and setup is fast and easy. Applications: * Positioning, *
Vibration, * Profiling, * Displacement, * Go/no-go Decisions, *
Focusing, * Thickness, * Dimensional Gaging, * Alignment ... |
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ACCUMEASURE 5000 - Capacitance
Measurement Systems |
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High
frequency capacitive measurement sensor for displacement, vibration and
runout measurements with nanometer accuracy. MTI Instruments Inc.:
High-Precision, Non-contact Displacement and Vibration Measuring System
with Nanometer Accuracy. The advanced amplifier circuitry provides a
frequency response from dc to 20 kHz with a corresponding noise level of
0.01 mV rms/Hz√0.5 The Accumeasure 5000 can be used with any of MTI's
standard or custom designed miniature sensor probes for unmatched
linearity, stability and resolution. The Accumeasure System 5000 is
available in either single or dual channel designs. The dual channel
model includes a summing amplifier for applications that require sum or
difference measurements. Applications: * Spindle Runout, * Displacement,
* Flatness, * Engine Dynamics, * Positioning, * Profiling, * Vibration,
* Structural Dynamics, * Dimensional Measurements ... |
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