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Inductive sensors,
inductive switches
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A
selection of recently
published
technical
articles, white papers, products
&
application examples: |
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P500 inductive Rotary Sensor for angles
up to 160°, also as ATEX Version |
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 PEWATRON
AG: The P500 RIPS® (Rotary Inductive Position Sensor) is a durable,
affordable, high accuracy rotary sensor designed for industrial and
scientific feedback applications. The P500 is supplied with the output
calibrated to the angle required by the customer, between 20 and 160
degrees. The sensor provides a linear output proportional with angle of
rotation, with a non-linearity at 100° better than 0.25°. There is a
machined registration mark to identify the calibrated mid point. The
standard version is powered with 5 V, giving an output signal of 0.5…4.5
V. Optionally, there are several output stages available for signals
0.5…9.5 V, ±5 V, ±10 V or 4...20 mA (2- or 3-wires), which are powered
by ±15 VDC or 24 VDC typically. The temperature range is -40/+125 °C for
the standard version (5 V, unbuffered) and -20°/+85 °C for the buffered
versions. The P500 has a rugged stainless steel body and shaft for long
service life and environmental resistance. The sensor is easy to install
with flange or servo mounting option in anodized aluminium (or stainless
steel for the E500). Sealing is IP 67 (cable version) or IP 65
(connector version), and full EMC protection is built in. The sensor is
also available in intrisincally safe versions, designed to be used with
a galvanically isolated 3-port barrier installed in the safe area which
supplies the sensor with 5 V ... |
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+ Info |
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Stainless steel IP 69K full metal
housings – DuroProx inductive sensors |
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 Baumer:
The DuroProx inductive sensors are tough enough to take it. The sensor
family comprises inductive sensors with IP 69K protection class full
metal housings that were designed from the outset for use in harsh and
demanding industrial applications. Thanks to an operating temperature
range of -25 °C to +100 °C and a housing made of V4A/316L stainless
steel, these sensors can be employed in on- and offshore wind energy
applications fors tasks such as monitoring of disc brake pads, rotor
speed and position feedback as well as in any other environments subject
to extreme contamination levels. They are even able to withstand
environments subject to high EMI levels without damage. The necessary
protection is provided not only by the full metal housing with an active
surface made of stainless steel, but also increased interference
resistance in accordance with EN 61000-6-2. The sensors are available in
extremley compact designs from 6.5 mm housings to larger M8, M12 or M18
versions. The sensing distance ranges from 2 to 6 mm. An ASIC was
employed in the design of the inductive sensors ... |
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+ Info |
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Miniature Rotary Encoder Kit |
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 POSIC
introduces the highly miniaturized inductive rotary encoder kit ID1101C.
The encoder-head measures only 9.0 x 6.8 mm with a thickness of 0.9 mm
and provides A and B outputs in quadrature. The codewheel diameter is
28.2 mm with a thickness of 0.9 mm. The encoder is available in
resolutions from 9 up to 14 bits, which corresponds to 128 up to 4098
CPR (Counts Per Revolution). The maximum speed depends on the resolution
and ranges from 2’500 RPM at 14 bits up to 40’000 RPM at 10 bits or
lower. The main features of this kit encoder are its extremely small
dimensions and its insensitivity to dust, water, oil, grease and even
magnetic fields. Typical applications are in the mechatronics and
motion-control domains as speed or position feedback device ... |
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+ Info |
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A
selection of recently
published
technical
articles & products:
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Miniature Linear Encoder Kit |
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 POSIC
introduces the highly miniaturized inductive linear encoder kit ID1101L.
The encoder-head measures only 9.0 x 6.8 mm with a thickness of 0.9 mm
and provides A and B outputs in quadrature. The linear scale is 3.7 mm
wide and 0.9 mm thick and comes with a length of 200 mm that can be “cut
to length”. The encoder is available in resolutions from 0.3 mm down to
0.3 um. The maximum speed depends on the resolution and ranges from 100
mm/s at a resolution of 0.3 um up to 40 m/s at a resolution of 75 um or
larger. The main features of this kit encoder are its extremely small
dimensions and its insensitivity to dust, water, oil, grease and even
magnetic fields. Typical applications are in the mechatronics and
motion-control domains as speed or position feedback device. Markets
served include industrial, robotics, medical, instrumentation,
laboratory automation, office equipment. ... |
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+ Info |
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Inductive sensor in M12 housing measures
in nanometer range |
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 Baumer’s
new inductive sensor IPRM 12 measures with a resolution of up to 50 nm,
which is to date unmatched in its class. All of the necessary
electronics are integrated in its M12 housing. At the same time, it is
one of the fastest sensors in its class with a measuring speed of 1
mm/s. With these performance characteristics the compact sensor is a
compelling alternative to complex measuring systems. In contrast to
these systems, the IPRM 12 does not need any external amplifier or
expensive coaxial cables. The 90 mm short M12 housing holds measuring
head, signal evaluation and amplification as well as the analog output
circuit. Since the 0 … 20 mA current output is compatible with standard
analog-cards and cables, no additional interface costs arise. High
measuring precision concurrent with high measuring speed normally
requires extended external hardware complexity and comptuing time.
Thanks to the integrated electronics, this is not necessary when using
the IPRM 12. The sensor’s sophisticated switching allows it to remain
temperature stable, even without any external temperature compensating
devices. ... |
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+ Info |
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Measuring sensors AlphaProx |
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 Baumer
united all of its measuring sensors under the name AlphaProx. This
comprehensive line of products comprises very diverse technologies; from
photoelectric sensors and inductive sensors to ultrasonic sensors and
magnetic sensors. The AlphaProx portfolio is not only very broad, but
many sensor variants in the different technologies also result in a
great depth. Thus, the ideal solution is available for every measuring
task. Very small sensors with wide sensing ranges can be employed when
space is limited and therefore reduce design efforts on machines. At the
same time, high resolutions to the micrometer range guarantee precise
measurements which result in a high process quality. Robust sensors in
metal housings are available for applications under rough conditions.
They have a high durability and provide for high process reliability,
even in demanding ... |
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+ Info |
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Tyco Electronics Reluctance Resolvers for
Hybrid Applications |
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Tyco
Electronics: New emission legislation and the trend towards energy
efficient transportation support an increased development in the area of
hybrid propulsion for passenger cars. One of the key applications for
improved fuel economy in the hybrid market is the recovery and storage
of energy during the braking phase or regenerative braking. When
braking, the energy of the moving car is converted and stored in the
Li-ion batteries instead of being dissipated through the heating of
braking disks. Upon acceleration of the car, the available electrical
energy is used to help the car speed up by releasing this energy into a
controlled electrical motor. More advanced systems may continuously
propel the cars’ electrical motors. In order to keep the efficiency of
the electrical hybrid motors at a maximum level, the position of the
drive shaft must be continuously monitored. Tyco Electronics has
developed a break-though inductive sensor, known as a “Reluctance
Resolver,” that can help support reduced fuel consumption with in these
new hybrid propulsion systems. The Reluctance Resolver is part of a
system to measure shaft angles. ... |
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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
inductive sensors |
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Differential Inductive Position Sensor |
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POSIC
introduces the differential inductive position sensor IS2201. The sensor
measures only 6.2 x 8.6 mm with a thickness of 0.9 mm and has a
differential analog output signal. The bandwidth is 40 kHz at an airgap
up to 1.5 mm. Targets can be made of ferromagnetic or electrically
conducting materials like steel, copper, aluminum and brass. The sensor
detects a lateral movement in front of the sensor-face, e.g. a gear or
slotted disc for speed control, a single tooth for index- or
stop-position or for short-range linear measurement. Typical
applications are in the automation, mechatronics and motion-control
domains for measurement of speed, stop-position or short-range linear
position. Markets served include industrial, automotive, robotics,
medical, instrumentation, laboratory automation, office equipment.
Evaluation kits containing 2 cabled sensors, a linear or rotary target,
a sensor-holder, ... |
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End-of-travel monitoring on hydraulic
cylinders, High pressure rated M8 and M5 sensors with small footprint |
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Balluff
has expanded their proven product line of high pressure rated inductive
sensors in M12 and M18 housings to include miniaturized form factors.
Ideal applications for these 350 bar rated miniature sensors in M8 and
M5 housings include industrial and mobile hydraulics as well as valve
technology. The new, miniaturized sensors, which are currently offered
only by Balluff, open up a variety of new application possibilities for
the user. Their compact size is ideal in miniaturized power units and
valves as well as hydraulic block cylinders as used for example to
actuate slides on injection molding machines. The IP68 rated housing of
these flush-mountable sensors is made of stainless steel, with a ceramic
sensing surface. The sealing design is the same as for their
tried-and-true M12 and M18 bigger brothers: here also a clever O-ring
and support ring combination ensures high pressure resistance. The new
sensors, which offer a maximum switching frequency ... |
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Tightly packed distance measurement |
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Baumer
Electric: Often there is only very limited space available for
sensors and actuators in apparatuses and mobile devices. The new
distance measuring Series IWFM 08 inductive sensors address exactly
these applications. With their compact outer dimension of only 4.7 x 8 x
16 mm they fit into the tiniest slots. Thanks to the integrated 0… 10 V
output, the sensor can be connected directly to the analog inputs of a
control system, without using a measuring board or processing unit. The
resulting reduction of hardware and installation costs are obvious.
Another attribute that characterizes the IWFM 08 is its robustness. The
metal housing prevents damage during installation or operations to a
large extent, which positively influences the maintenance costs in the
long term. Due to the high linearity and repeat accuracy, the IWFM 08
records linear movements of up to 2 mm with high precision. The
described characteristics have already proved to be of value with
existing Baumer sensors used in robotic grippers, operating ... |
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Optical and inductive switches from a
single source |
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The
optics specialist Leuze electronic will become a sensor
allrounder in 2009 and has completed its product range with inductive
switches. Leuze electronic thereby presents itself in automation
technology as a full-service provider, well known for its customer
orientation and willingness to provide service. With this extensive
product line, the “sensor people” accommodate the requests increasingly
received from customers who wish to be able to find solutions to a wide
range of sensor tasks from a single partner. As our customer, you profit
from the portfolio of products perfectly matched to one another, the
highest level of advising competence and simplified ordering processes.
Leuze electronic has intensely worked with the technology of inductive
switches and ensures very high quality in this segment as well. For
decades, Leuze electronic has stood for innovative and practical
solutions in the area of sensor systems for factory automation. The
extensive line of products is used worldwide in all areas of mechanical
engineering, for example in the automobile industry, conveyor and
storage technology and in packaging technology ... |
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Find
all manufacturers and suppliers of
inductive sensors |
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Linear Inductive Encoder Kit |
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POSIC
introduces a highly miniaturized incremental inductive encoder kit
IT3401 for linear applications. The sensor-head measures only 11 x 11 mm
with a thickness of 0.9 mm and has A quad B and Index output signals.
The linear scale is a 0.6 mm thick and 7.5 mm wide PCB-strip that comes
in different lengths. The resolution ranges from 0.3 um at a speed of
0.2 m/s to 150 um at 50 m/s. Typical applications are in the
mechatronics and motion-control domains as position feedback device for
magnetic actuators like brushed and brushless motors, voice coil
actuators, solenoids, linear drives and more. Markets served include
industrial, robotics, medical, instrumentation, laboratory automation,
office equipment. Evaluation kits containing 2 cabled sensors, ... |
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Inductive High Temperature Sensors - Hot
Heads ... |
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Baumer
Electric: Baumer’s IFRH series of inductive high temperature sensors
have been designed for operating temperatures ranging from -25 °C to
+180 °C. The two part proximity switches intended for flush front face
installation are available in M8, M12 and M18 designs with chromium
nickel steel housings. With an overall length of a mere 30 mm, the M8
sensor is ideal for installation under conditions of limited space.
Depending on the housing size, the nominal switching distance ranges
from a minimum of 1 mm up to a maximum of 5 mm. An FEP jacketed cable
allows the processing electronics to be separated from the actual sensor
head and to thus be easily and protectively installed outside the hot
range. The operating voltage range lies between 10...30 VDC, while the
protection class is IP 67. In addition, Baumer also offers capacitive
high temperature sensors for detecting nonmetallic components in hot
environments. ... |
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High-grade steel sensors - Install and
forget |
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This
is the motto behind Baumer's new high-grade steel sensors. Baumer
is now introducing a generation of high-grade steel sensors that can be
used in virtually any product. Combining this with Baumer's signature
sensor miniaturization allows simple integration of the sensors into
customer-designed housings. With decades of experience in temperature
and pressure sensors, its product range has been expanded with many
innovations in the position sensor area. Inductive sensors that are now
indispensable for automation tasks are being offered in various 1.4404
all-metal versions. Enhanced EMC immunity and expanded temperature
ranges up to +100 °C are special features of these sensors. They are
available from a diameter of 6,5 mm. Laser distance sensors with
accuracies down to the µm range can be used easily both outdoors and in
the process area. Protection classes up to IP 69K and their
insensitivity to ambient light up to 100 kLux make these sensors unique.
Baumer is also setting new standards with the VeriSens® family of vision
sensors. The rugged high-grade steel housing is resistant to most
aggressive media and suitable for use in the food or pharmaceutical
industries. The variety of integrated vision sensors, ... |
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Condition Monitoring with DSC Sensors |
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Balluff:
Proactive maintenance offers enormous potential for cost savings.
Equipment and machines having this feature provide significant
competitive advantages. Reliable function diagnostics is especially
important in high-dynamic machines, used for example in the printing and
paper industry and in cigarette manufacturing. With their Dynamic Sensor
Control (DSC), sensor specialist and networking provider Balluff offers
a completely new and cost-effective way to detect quality deviations in
the manufacturing process in real time indirectly through the sensors.
Here Balluff boasts not only a complete portfolio of capacitive,
photoelectric and inductive sensors, but also the matching full range of
connectivity and networking products. With Dynamic Sensor Control the
value of a machine design can be significantly increased, since the user
profits from greater up-time, simpler startup and more efficient
maintenance. This is made possible through DSC-compatible sensors, a
special Balluff version of already proven standard binary sensors which
can output not only the switching and an error signal, but also warning
and trend messages. The increasing contamination of a photoelectric
sensor, wandering of a target in the direction of the inductive sensor ... |
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Sensors with plugs do not have to be big
- M5 miniature plug |
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What
good is a miniature sensor when its plug connection takes up all the
extra space? To make the best use of the advantages of miniaturization,
Baumer offers a complete range of very compact inductive sensors
with M5 x 0,5 mm plugs and matching plug connections. This unique range
includes both digital and analog sensors in round or rectangular
housings. The small IWRM 04 distance-measuring inductive sensors are the
most compact inductive analog sensors on the market with a diameter of 4
mm and a housing length of only 30 mm. With a short response time of 0,5
ms and the high resolution of 1 μm, they are without equal in this size
class. The measuring range is 0 to 1 mm. The switching version of these
sensors is even available with a modest length of 24 mm. They are
equipped with bright LED status windows that are easy to see. With a
mounting depth of 4,7 mm, the IFFM 08 inductive proximity switch can ... |
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Find
all manufacturers and suppliers of
inductive sensors |
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World’s smallest inductive encoder |
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POSIC
introduces the world’s smallest incremental inductive encoder kit ID1101
for linear and rotary applications. It measures only 8.7 x 6.3 mm with a
thickness of 0.8 mm and has an A quad B output stage that runs up to a
frequency of 200 kHz. The linear/rotary target is a 0.8 mm thick
strip/disc that comes in different lengths/diameters. The linear
resolution ranges from 1 um at a speed of 0.5 m/s to 150 um at 50 m/s.
The rotational resolution depends on the disc diameter and is for
example 12 bits (1024 A-B pulses per revolution) with a 30 mm diameter
disc. Typical applications are in the motion-control domain with
magnetic actuators like brushed and brushless motors, voice coil
actuators, linear drives and more. Markets served include industrial,
automotive, robotics, medical, instrumentation, laboratory automation,
office equipment. Evaluation kits with linear or rotational targets are
available from stock. ... |
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Universal Conditioning Module for inductive transducers |
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Penny
+ Giles, designer and manufacturer of high precision position
sensors, has launched a new Universal Conditioning Module (UCM) that
provides reliable signal conditioning for a wide range of analogue
inductive transducer types. The module can work with any manufacturer’s
transducer and is suitable to drive 4, 5 or 6 wire differential LVDTs,
ratiometric LVDTs and 3 wire inductive half bridge transducers (or RVDT
equivalents). UCM has a low current requirement of less than 10mA and
can be linked and synchronized with up to 50 modules in one network for
multiple channel measurement systems. The UCM provides a simple 0.5 to
4.5Vdc analogue signal output, or by using additional module cards, into
a variety of different voltage ranges, a current output, or digital PWM
output. It normally operates from an unregulated 10 - 30Vdc supply. ... |
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Balluff Globalprox family – 2-wire range
expanded |
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The
name Globalprox stands for a complete, globally available product line
of rugged inductive sensors in 2- and 3-wire technology from Balluff.
The sensor specialist and connectivity provider introduced additions to
the line with DC 2-wire, normally closed versions at the 2009 Hanover
Exhibition. Balluff now offers all the designs for the Asian market as
Globalprox variants, even with the worldwide standard approvals such as
CULUS and CE. Also new are weld splatter resistant 2-wire versions.
Balluff Globalprox sensors offer high reliability, increased flexibility
and customer benefits as well as an optimal price-performance ration.
Typical applications include object detection in handling and assembly
as well as the packaging industry for monitoring end positions or
workpiece feeding. These flush-mountable 2-wire inductive sensors are
available with extended switching distance from M8 to M30 as normally
open or normally closed, polarized or non-polarized and with cable,
connector or pigtail connection. Now the user always has the right
sensor available for any application. Also available are weld splatter
resistant versions with Teflon coated housing. These sensors, which are
offered as quick-disconnect and pigtail variants with ... |
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Baumer Miniature sensors - Small,
lightweight and precise |
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For
applications in restricted space, Baumer offers the most diverse
miniature sensors for convincing and precise solutions. The small IWRM
04 distance-measuring inductive sensors, with a diameter of 4 mm and a
housing length of only 30 mm, are the most compact inductive analog
sensors on the market. With a short response time of 0,5 ms and the high
resolution of 1 μm, they are without equal in this size class. The FHDK
04 optical miniature sensor provides a compelling argument with very
high efficiency background suppression. The Baumer developers were able
to accommodate this sensor in a housing measuring only 4 x 6 x 45 mm.
With a bracket for profiles and only one groove plate, this sensor can
be secured in any commercially available extrusion frame. Several
sensors may be operated next to one another without any mutual optical
interference. In addition, the IO-Link communications standard is
supported. Ultrasonic sensors ... |
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IO-Link sensors - innovation with true
value added! |
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Baumer
Electric: IO-Link is the new standard in the lower communication
layer supported by leading automation and sensor manufacturers. An
IO-Link sensor transmits standard digital or analog output signals and
provides an additional serial data communication with the control unit
as master to exchange parameters such as the measuring range,
sensitivity, time delay and operating mode. Because the serial data
transmission needs no additional wires and the output signals are
compatible, it is possible to use standard cables and connectors and
combine or mix IO-Link devices and standard devices. This advantage
simplifies the entry, realization and use of this new and easy
technology. Baumer offers now an expanded range of IO-Link products.
From the smallest optical switches up to ultrasonic and inductive
distance sensors, a wide variety of technologies and devices is
available. ... |
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More technical articles & products to this topic:
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inductive sensors |
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