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This month's
Sensors
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New System for Moisture Measurement |
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 Micro-Polar
II (LB 567) is the new moisture measurement system from BERTHOLD
TECHNOLOGIES, specifically developed for the measurement of bulk
materials. It provides online monitoring on conveyor belts or chutes and
can be easily installed at existing plants. The Microwave based
measurement operates completely non-contacting. The components are not
exposed to any wear and tear as the emitting antenna is mounted below
and the receiving antenna is mounted above the conveyor belt. Therefore
no maintenance is required. The measurement provides very representative
measuring results by the penetration of all material layers. Due to
technical improvements in frequency and frequency range, new
opportunities have become available for applications, which had been
restricted in terms of bulk density or particle size. Using the new
system, even high bulk layers can be penetrated due to the increased
dynamics. The multi-frequency technology used by Berthold Technologies
ensures a very stable and reliable measurement as several measuring
values are taken for different individual ... |
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New Subsea LVDT Series is Submersible to
7,500 ft. |
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 Stellar
Technology: The Series LWU is a family of submersible LVDT
displacement transducers available in either DC or AC versions. These
units are specifically designed for use in sea water and other
submersible environments, including many corrosive liquids. The LWU
Series features unguided armatures with stroke lengths from 0.5” to 4”
and linearity of +/- 1%. Operating temperature is from -40 to 140 deg.F.
The LWU60X is an AC/AC unit with v/v output. The LWU61X and LWU65X are
DC/DC units with outputs of +/-5 Vdc or 0-10 Vdc and 4-20mA,
respectively. The LWU units are made of 316 stainless steel, and are
fully welded. The heavy duty construction makes these units able to
endure the most rigorous applications including 10 years submersion in
seawater at a depth of 7500 ft. (2300 m). The free unguided armature
design allows non-magnetic fluids to enter the transducer body without
affecting the operation of the transducer. In addition, this thru-hole
design ... |
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Contactless Authentication: Melexis
brings it on home with the MLX90109 |
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 Melexis,
a leading supplier of RFID transceivers, is proud to announce that the
MLX90109, its single chip, low frequency (125kHz) RFID transceiver was
selected by Somfy for use in a security application for homes and
buildings. Originally designed for an automotive immobilizer
application, the MLX90109 fits also industrial requirements in access
control or pet identification. Although the big trend in contactless
authentication is High Frequency RF communications (13.56MHz), there are
applications where low power, robustness and space constraints call for
Low frequency contacless authentication. In all these cases, the
MLX90109 is the key element for an optimum solution. ... |
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Impeller flow rate sensor with connector
to EN 175 310 and frequency output |
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 The
JUMO 406020 flow rate sensor with impeller is suitable for
neutral liquids, as well as weakly aggressive ones with low solid
levels, in tubing with nominal widths from DN 15 to DN 400. Flow speeds
from 0.3 to 10 m/s can be measured. Standardized stainless steel and
plastic fittings are available for mounting the transmitter in the
tubing. Pressures to PN 10 and temperatures up to 100 °C are possible,
depending on the type. The sensor is fitted with a 0 - 300 Hz frequency
output and is reverse-polarity protected. The power supply is 12 - 36 V
DC. A conventional connector to EN 175 301 is sufficient for electrical
connection. To display and further process the measurement value, the
flow rate sensor can ... |
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The changeable light spot, ELTROTEC
precise laser proximity with background suppression |
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 The
PS1 from ELTROTEC is a laser proximity that due to its adjustable
optic allows for setting an either round or elliptical light spot in
various sizes. Even in fast processes and short cycle times the sensor
is not missing out on a single part: due to the switching frequency of 5
kHz the sensor can be used in assembly and supply systems running at
high speed. PS1 is mainly used for controlling assemblies and presence
of small parts as well as electronic components on printed boards making
high resolution an important feature and allowing detection of parts
from 0.1 mm and up. Compact and easy to install these sensors are
similarly suited for breakage control in machine tools and through the
elliptical light spot adjustment reliably detect structured surfaces
which otherwise might cause problems to small light spots. Easy
adjustment and control as the red light shows a wave-length of 675 nm,
meaning it is visible. The precise detection on point 0.1 mm will be
done by mechanical potentiometer. Sensing range varies from 55 to 300
mm. ... |
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Programmable incremental encoders for
less product variety, reduced inventory costs and improved flexibility |
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 Baumer:
Implemented in complex facilities, encoders have to meet many
requirements in all their facets. All of a sudden you end up with a
multitude of different configurations entailing high costs as well as
inventory and administration effort. Programmable encoders help to keep
the product variety down to a minimum and to improve flexibility. Not
just one but four new programmable encoder series launched by Baumer
provide the optimum solution for the widest range of applications. The
portfolio comprises encoders that utilize optical and magnetic sensing
principles and are available in various mechanical designs and sizes.
All devices enable configuration of impulse number and rotational
direction, some even provide optional programming of zero pulse sensing.
Three out of the four series enable programming by PC or notebook. The
ITD 2P encoder does not require any separate programming cable but can
be configured via the supply line ... |
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WATER MANAGER SOLUTION: Transmission of
Water Level- and Temperature-Data via GSM/GPRS, Radio, or Internet |
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 STS’ newly developed watermanager solution allows for
conveniently managing and reading data loggers from any location at any
time. In case of an out-of-limits condition, a warning message is
generated and transmitted automatically via SMS and e-mail. In this way,
a maximum degree of flexibility and cost efficiency is attained with
regard to the monitoring of water levels and temperatures of rivers,
lakes, ground water, sources, and boreholes. The measuring hardware for
GSM/GPRS and radio may be easily installed in a 2"-tube or 4"-tube and
it consists of 3 elements: * A highly accurate pressure and temperature
sensor with stainless steel or titan casing exhibiting a 0.1% accuracy
of the end-scale value as regards pressure/water level and a 0,3°C
accuracy with regard to temperature. The temperature of the medium may
range from -5 to 80 °C. ... |
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Cognex offers 3D Vision software |
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Cognex Corporation announces 3D-Locate™, a library of 3D vision
software tools that expands application possibilities in vision-guided
robotics, assembly, and inspection. Cognex 3D-Locate delivers accurate,
real-time, three-dimensional position information that enables
automation equipment to work with a wider variety of parts, including
items that are stacked or tilted. Using 3D-Locate can improve vision
performance for challenging applications such as logistics and
robot-guided de-palletizing and precision assembly, and it can eliminate
the need for expensive mechanical fixtures or measurement devices.
Cognex 3D-Locate can also be used in combination with Cognex code
reading, gauging, and inspection tools. Robust 3D Location. Cognex
3D-Locate uses multiple sets of two-dimensional features found by
Cognex’s patented geometric pattern matching tool, PatMax®, to determine
an object’s precise three-dimensional orientation. PatMax tolerates
non-uniform lighting and remains reliable even when ... |
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PCB Load & Torque – Excellence in
Calibration |
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PCB Load & Torque, Inc. – a PCB Group Company, provides torque
and force calibration services at its A2LA Accredited Calibration
Laboratory in Farmington Hills, Michigan. This calibration service is a
necessary requirement for facilities seeking to obtain or maintain ISO
9001:2000 certification. Items of measuring and testing equipment that
are calibrated with the scope of accreditation are rotary torque,
reaction torque and force measuring transducers. The commercial
calibration capabilities of PCB Load & Torque, Inc. are defined
according to the Scope of Accreditation to ISO/IEC 17025-2005 and AJNSI/NCSL
Z540-1-1994. PCB® Load & Torque, Inc., an ISO 9001 registered
company, designs and manufactures high quality, precision load cells,
wheel force transducers, torque transducers, electronic hand torque
wrenches, OEM transducers, and fastener torque-tension test systems! We
offer A2LA Accredited Calibration Services for torque, force, and
related instrumentation! Our Threaded Fastener Testing Laboratory is ... |
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Magnetically inductive flow rate
transmitter with frequency, current and relay outputs |
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 The
JUMO 406010 flow rate transmitter is suitable for conductive
liquids in tubing with nominal widths from DN 15 to DN 400. Flow speeds
from 0.2 to 10 m/s can be measured. Standardized stainless steel and
plastic fittings are available for mounting the transmitter in the
tubing. Pressures to PN 16 and temperatures up to 150 °C are possible,
depending on the type. The transmitter is fitted with a current output
of 4 - 20 mA, a 0 - 240 Hz frequency output and a relay output with a 3
A, 250 V AC changeover contact. The power supply is 18 - 32 V DC. The
instrument is reverse-polarity protected. Whereas electrical connection
is implemented by screw terminals, there are screw-type cable glands
available for cable penetration. The flow rate transmitter can be
adjusted to different measurement ranges via DIP switches. To display
and further process the measurement value, the flow rate transmitter can
be connected to various instruments from ... |
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Ultrasonic Fork Frame Light Barrier |
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 Labelling
always means precision work at maximum speed. Conventional optical fork
frame light barriers fail where transparent labels, printed with metal
particle lacquers, are to be detected on transparent backing films. The
new ELTROTEC ultrasonic fork frame light barrier FA 98 ULTRA has
been developed to meet exactly these demands and is working at a
precision rate of 100% when triggering labelling machines. With its rim
width of 3mm and a fork depth of 70 mm it can be applied for various
labels and, due to its depth, even reaches significant trigger points
located further on the inside of a carrier material. High repeatability
is ensured with a switching frequency of 1 KHz and the sim-ple
adjustment of rims and gaps via teach-in. Because of ultrasonic
principle there are no effects of extraneous light on the sensor. Also
available from ELTROTEC are optical forks of identical type with a
breadth of 12 mm, rim width of 3 and 5 mm and a switching frequency of
10 KHz of the FA 98 S series as well as capacitive label sensors for all
label types with up to 30 KHz switching frequency for the detection of
splices, ... |
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Brochure simplifies selection of DAQ
systems for effective measurement |
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 HBM’s
latest brochure facilitates the selection of data acquisition systems
for different measurement tasks to meet the needs of the most demanding
test and inspection projects. Choosing the right data acquisition system
for measurements is the key to efficient testing of new products and
components: a crucial factor in maintaining an innovative edge over
competitors. Because it provides a complete portfolio of different data
acquisition systems suitable for a wide variety of different
applications, HBM has now launched an overview brochure to simplify the
task of selecting the correct equipment. The brochure points customers
towards the best data acquisition system for their particular
measurement tasks and is available both as hard copy and in an on-line
format. The brochure highlights the main advantages of all the different
systems at a glance together with the most important specifications.
There is also a wealth of information about different HBM transducers
and software solutions. ... |
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High Performance/High Value Pancake Load
Cell |
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 Stellar
Technology’s Model PNC700 is a high performance, feature rich,
general purpose tension/compression load cell which combines high
accuracy (0.05% BFSL), high off axis performance, high fatigue life, and
large industry standard loading threads with a very competitive price.
The Model PNC700 comes standard with 3 mV/V output. Optional internal or
in-line amplifiers are available for those applications requiring high
level analog or digital output, including CANbus. Versatile enough to
handle ranges from 100 lbf to 100,000 lbf and survive in temperatures
from -65F° up to +400°F, the PNC700 provides the ideal combination of
price and performance required for applications that need a reliable,
rugged, high accuracy, pancake style, tension/compression load cell.
Each PNC700 load cell is designed for dependable performance in harsh
environments-- all welded stainless steel, O-ring seal at connector and
shock and vibration protected. ... |
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Jam detector in the system |
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 Pulsotronic
completes the product range of tube sensors with the static output
signal types. Tube sensors are applied, where component parts or
material streams flow through plastic hoses. The sensors perform
counting tasks or detect material jam. Static tube sensors induce an
output signal, as long as material is located in the operating area of
the sensor. Pulsotronic offers tube sensors with dynamic output signal,
to capture especially small or fast components. When a particle enters
into the operation area of the sensor, a short impulse is triggered at
the output. Impulse lengths up to 200ms can be realized. With the
devices of the latest generation static and dynamic functions are
available in one sensor. Thus the sensors perform fast counting tasks
with single components as well as jam indication in continuous material
flow. ... |
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Sensor & Measurement News & articles in January '10
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