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Magnetic Field Sensors
detect fields of magnetism.
See Also: Magnetic Field, Magnetic Field Mapping, Magnetic Field Meters, Magnetic Field Probes, Magnetic Field Test
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Magnetic Field Sensors
SpinTJ
The SpinTJ magnetic sensor family builds upon Micro Magnetics? in-house expertise developing low-field magnetic tunnel junction sensor products. Based on our proprietary fabrication processes, we have developed patented recipes for fabricating macroscopic, micron-scale, and submicron MTJ field sensors.
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Magnetic Field Sensors
Analog Devices magnetic field sensors combine integrated bulk Hall cell technology and instrumentation circuitry to minimize temperature related drifts associated with silicon Hall cell characteristics. The architecture maximizes the advantages of a monolithic implementation while allowing sufficient versatility to meet varied application requirements with a minimum number of components.
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Magnetic Field Sensors
Our cylinder sensors for pull rod cylinders can be integrated into many applications. They are mounted with mounting brackets on cylinders with tie rods and DUO rails. The concept is suitable for the most common types of cylinders with any piston diameter. Features: contact-free detection of the piston position, tie rod Ø up to 17 mm, reliable switching behavior, wear-free, resistant to dirt, secure grip, easy installation.
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Cryogenic Temperature Sensors
Capacitance
CS capacitance sensors are ideally suited for use as cryogenic temperature control sensors in strong magnetic fields because they exhibit virtually no magnetic field dependence. Displacement current is not affected by magnetic fields. Consequently, temperature control fluctuations are kept to a minimum when sweeping magnetic field or when changing field values under constant temperature operation.
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3D Helmet Coil
With the 3D Helmholtz coil system, 3-dimensional magnetic field vectors can be generated. By superimposition, it is possible to create a field-free space or an artificial earth magnetic field vector inside the coil arrangement. The coil arrangement was developed for the calibration of magnetic field sensors.
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3D Geo-Magnetometer
For the measurement of magnetic equilibria such as the earth's magnetic field, for the determination of anomalies and biologically active location factors. Three highly sensitive magnetic field sensors, as well as a dedicated microprocessor, are integrated into the measuring probe. The sensitive magnetic field sensor is connected to a PC, notebook or laptop (not included). The main features in brief:
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Sensors
Magneto-Optical Sensors (MO Sensors)
The highly sensitive magneto-optical (MO) sensors form the basis for visualizing magnetic fields in production and research.
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Magnetic Sensors
Magnetic proximity sensors are characterized by the possibility of large switching distances, available from sensors with small dimensions. They detect magnetic objects (usually permanent magnets), which are used to trigger the switching process. As the magnetic fields are able to pass through many non-magnetic materials, the switching process can also be triggered without the need for direct exposure to the target object. By using magnetic conductors (e.g., iron), the magnetic field can be transmitted over greater distances so that, for example, the signal can be carried away from high temperature areas.
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Magcam MiniCube1D
Magcam's MiniCube1Dmagnetic field camera provides quantitativeBz magnetic field mapping in a 12.7mm x 12.7mm 2D planewith 0.1mm spatial resolution, measured at high speed. The camera is based on Magcam's unique integrated 2D Hall sensor array technology, featuring more than 16000 microscopic magnetic field sensors on one single chip. Each sensor independently measures the local magnetic field, resulting in quantitative2D magnetic field maps with high spatial resolution, measured athigh speed. These magnetic field maps contain a large amount of information about the magnet's properties, which can be extracted using Magcam's powerful MagScope measurement and analysis software.
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Electrical Current Sensors
Electrical current sensors detect the flow of current along an electrical wire by measuring (or sensing) the magnetic field that is generated by the flow of electrical current. The sensors output signals that are transmitted to dataloggers
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Line Mounted Fault Indicator
LineTroll 110Eμ
Linetroll 110E contains magnetic and electric field sensors surveying line current and line voltage. The magnetic sensor automatically adapts to line current, detecting preset current increases. The electric field sensor is monitoring the presence of line voltage. The sensor signals are processed and compared with user set alarm criterias.
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Magnetic Profile Measurement
Many times it is requires to study the magnetic field profile of the 2D or 3D surface to estimate the performance of the magnetic device. The field pattern is measured by sensors and very precise mechanical arrangement. The spacing between two points of measurement can be as low as a few microns. This precise measurements can confirm the quality of performance of any device.
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Automated Wafer Prober for Magnetic Devices and Sensors
Hprobe design and fabricate turnkey automated testing equipment (ATE) for electrical characterization and testing of integrated circuits under magnetic field such as MRAM (Magnetic Random Access Memory) and sensors. In each phase of the technology and product development as well as during mass manufacturing, a dedicated magnetic tester is available.
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Magnetic System
NMR-EA300 System
The NMR-EA300 system is the reference for calibrating magnetic sensors. It allows to generate an absolute magnetic field at <±10mG (0.1 uT) without temperature drift (<0.1ppm/C°) over a range from 14mT to 3T. This system is composed of an EA300 electromagnet with NMR poles, a MPU-16U ±150A ±70V current source of class 1ppm and a NMR20 Teslameter with a magnetic field controller (FR020).A thermostat chamber can be installed in the air gap (Optionally available on 50mm and 70mm gap poles).
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Speed Sensors
DHE (Differential Hall Effect) sensors give an output when subjected to a changing magnetic field. The field is set up by a magnet inside the sensor body and changes when ferromagnetic teeth are passed beneath the sensor (no magnets are required in the target). To improve noise resistance, the sensor has two Hall effect elements and only responds to changes in magnetic field strength corresponding to tooth passing frequencies above 15Hz. As each tooth passes the sensor, the digital state of the output changes.
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Sport Sensor Range
DHE (Differential Hall Effect) sensors give an output when subjected to a changing magnetic field. The field is set up by a magnet inside the sensor body and changes when ferromagnetic teeth are passed beneath the sensor (no magnets are required in the target). To improve noise resistance, the sensor has two Hall effect elements and only responds to changes in magnetic field strength corresponding to tooth passing frequencies above 15Hz. As each tooth passes the sensor, the digital state of the output changes
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TMR Gear Speed Sensors
MultiDimension Technology Co.,Ltd.
Magnetic gear tooth sensors utilize a unique push-pull Wheatstone bridge design, including one or two Wheatstone full bridges, with four or eight unshielded high sensitivity TMR sensing elements. The Wheatstone bridge creates a differential voltage output with respect to the magnetic field gradient along the sensor’s sensitive direction.
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Electromagnet System
Dr. Brockhaus Messtechnik GmbH & Co. KG
Electromagnet systems with different power levels to produce homogeneous magnetic fields. Usable for calibration of sensors, testing of magnet systems and Hysteresis measurement. Adjustable air gap from 0 up to 60 mm. Field strength in the air gap up to 3 Tesla. Software program for control and evaluation.
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Vibration Sensors
SKF Condition Monitoring Center
Various machine operating conditions concerning temperature extremes, magnetic fields, vibration range, frequency range, electromagnetic compatibility (EMC) and electrostatic discharge (ESD) conditions and the required signal quality necessitate the need for a variety of sensors.
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Field Probe for Electric & Magnetic Field Measurement
WP400-3
Wavecontrol presents a new and unique field probe for the measurement of electric and magnetic fields that integrates both E & H sensors within dimensions of only 3 cm². Which makes it unique is that Wavecontrol has managed to add an E field sensor in a basic structure of a classical 3 cm² field probe. It has been possible, therefore, to obtain a 3 cm² field probe without compromising the capability of assessing E and H fields of its 100 cm² big sister, the recognized and successful WP400.
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Modeling Capacitors, Inductors, Insulators, Coils, Motors, and Sensors
AC/DC Module
The AC/DC Module is used for simulating electric, magnetic, and electromagnetic fields in static and low-frequency applications. Typical applications include capacitors, inductors, insulators, coils, motors, actuators, and sensors, with dedicated tools for extracting parameters such as resistance, capacitance, inductance, impedance, force, and torque.
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Cryogenic Temperature Sensors
Interchangeable Rox™
Ruthenium oxide temperature sensors are thick-film resistors, with most models suitable for use in magnetic field applications. These composite sensors consist of bismuth ruthenate, ruthenium oxides, binders, and other compounds that allow them to obtain the necessary temperature and resistance characteristics. Each Lake Shore Rox™ model adheres to a single resistance versus temperature curve.
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Vector Magnetometer
FVM400
Macintyre Electronic Design Associa
The FVM400 uses fluxgate technology to measure the three vector components of the magnetic field. The fluxgate sensors are packaged in a 1" square by 4" long probe that is connected to the handheld electronics unit by a modular telephone cord. The sensor can be located up to 100 feet from the electronics unit.
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Position Sensors
ams offers a broad range of high-performance position sensors which are suitable for use in industrial, medical, robotics, automotive and consumer applications. Patented technology gives all ams position sensors inherent immunity to external stray magnetic fields, making them highly robust, and lowering system cost because no shielding is needed. ams position sensors are available for use in applications governed by the most stringent safety regulations.
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MPU- Passive Sensors
sensors of the MPU series are passive elements intended for measuring rotational speeds or speeds of moving parts. The measuring principle is based on voltage induction in the coil through a changing magnetic field, which is caused, for example, by a rotating ferromagnetic gear. The coil is wound on a magnetic core and led out via a cable or a plug. The sensors are manufactured with metric or inch threads or with a flange connection and deliver a sinusoidal output signal, the amplitude of which is proportional to the peripheral speed. They can be connected to Orbit Controls evaluation devices. An OC35-IMP transmitter is available for converting to square-wave signals.
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Time Domain Sensors
TDS
Schmid & Partner Engineering AG
Time Domain Sensor (TDS) probes are miniaturized fully isolated active optical magnetic or electric field sensors operating in the frequency range from 10MHz to 6GHz. TDS offers unparalleled sensitivity for EM measurements resolved in the time and frequency domains while maintaining all amplitude and phase information.
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VLF Receiver
T-Vlf
The VLF receiver is specially designed for high productivity surveys, in ground water and mining exploration. No orientation of the operator with respect to the direction of the transmitter is required since three magnetic sensors measure the components of the VLF field. Tilt or horizontality of the sensor unit is neither required since two inclinometers correct for tilted position.
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Sensors
SuessCo Sensors is one of the leading specialists and pioneers in magnetic field sensor technology. About Univ. Prof. Dr. DI Dieter Süss, we can find excellent university graduates as new employees with excellent knowledge of the latest basic research and sensor technology, which form the basis for our ongoing development work.
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Three Channel AC Magnetic Field Signal Conditioner
TCM-1A
Macintyre Electronic Design Associa
The TCM-1 is a three-channel portable signal conditioner specifically tailored to provide power to and process the signals from MEDA's line of AC magnetic field sensors. The unit operates from either its internal batteries or the power line. It incorporates two sets of power line rejection filters, switch selectable for 50 or 60 Hz and the corresponding first four harmonics.
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Single Channel Signal Conditioner
SAM-3
Macintyre Electronic Design Associa
The SAM-3 is a portable single channel signal conditioneer specifically tailored to provide power to and process the signals from MEDA's line of AC magnetic field sensors. The unit operates from eitherits internal batteries or the power line. It incorporates two sets of power line rejection fileters, switch selectable fro 50 to 60 Hz and the corresponding first four harmonics.
