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Permanent Magnet
is a material which holds magnetism.
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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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Magneto-Electric Rotation Detector
MP-981/AP-981
The MP-981 is a magneto-type detector using a hall element which is suitable for revolution (r/min) measurement from low speed to high speed.Magneto-type detectors use an internal hall element, a permanent magnet, DC amplifier, and voltage regulator and respond to flux, so that a rectangular wave form is derivable from much lower speed all the way though high speed.In addition, a signal indicator is provided in spite of the detector's compact design, making verification of operation and mounting position possible.Meanwhile, the AP-981 is the water and acid proof type, which conforms to Class ' of JIS C0920.
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Standard Helmholtz Coils
Helmholtz Coils are ideal for the measurement of Rare Earth (Samarium Cobalt, Neodymium) and Hard Ferrite permanent magnet materials (materials which exhibit a relative straight line demagnetization). Our standard Helmholtz Coils are for use with fluxmeters. The Helmholtz Coil measures the magnet sample as a single magnetic moment provided that the longest dimension of the magnet sample is less than one-third (1/3) the diameter of the coil system. By definition, the magnetic moment per unit volume is the intrinsic magnetization of the sample. With our calibrated Helmholtz Coil and Integrated Fluxmeter – and given the volume of the permanent magnet sample – the intrinsic open circuit operating B (Bdi) can be measured.
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Magnetic Sensor Test
Cohu offers a big variety of magnetic test solutions applying magnetic field in all three dimensions. Depending on the requirements we can integrate coils with and without magnetic core, single- or Helmholtz coils, as well as permanent magnets, static and rotating.
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ASTRO BRUSHLESS MOTOR
4535
The purpose of the development of the 4535 was to deliver the same quality and reliability of our 32XX motors but at nearly 4x the power. Starting at the core of the motor, the 4535 uses the highest grade of sintered samarium-cobalt magnet. Unlike hobby grade neodymium magnets, these samarium-cobalt magnets are able to withstand high operating temperatures without losing magnetic strength or experiencing permanent demagnetization. Ultra-thin laminations are used in the stator to ensure minimal iron losses and maximize efficiency. All components of the motor are rated to at least 200°C to handle high continuous and burst power. Finally, to ensure manufacturing quality, all 4535 motors are designed and manufactured in Astro Flight's facility in Irvine, CA.
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MM-Wave Sources From 36 To 178 GHz Based On BWO
Insight Product Company offers a BWO based MM-wave sources of radiation at frequencies from 36 Ghz to 178 Ghz. Each source includes millimeter-wave BWO tube and a specially designed permanent magnet system. BWO tube is installed inside the permanent magnet and does not require any adjustment by the customer. Offered sources are the most wide-banded, they are very reliable, small sized, powerful and easy to operate.
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De-Energized Tester
ALL-TEST PRO 34 EV
The ALL-TEST PRO 34 EV™ instrument is the ONLY TOOL made for testing the special permanent magnet motors and motor/generators used in electric & hybrid vehicles. With this innovative hybrid motor magnet tester, you can test magnet motors in vehicles from a single device that provides quick and precise diagnostic results. Our patented technology enables technicians to find motor problems before they turn into costly maintenance projects.
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Load-Free Dynamometry Tester
Shanghai Aoboor Electric Co., Ltd.
DC permanent magnet brushed motor. Load-free dynamometry, and also electric strength, current ripple analysis, vibration, noise, lable print & check, Data upload to server and all other FAT and management items.
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Magnetic Plugs
Magnetic Drain Plugs were pioneered by Lisle Corporation in the 1930's. Lisle MAGNETIC PLUGS are similar to standard pipe or straight thread drain plugs with one important difference – a permanent magnet is fastened to the plug body. This magnet attracts and holds abrasive, ferrous metal particles preventing their circulation through the lubrication or hydraulic system.
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Electrodynamic Shaker Systems
Electrodynamic shaker systems and amplifiers from MB Dynamics help to support a wide range of general-purpose vibration test requirements. The electrodynamic shaker systems are offered in a variety of force ranges, from 100N (25 lbf) to 22kN (5,000 lbf). The innovative design of MB Dynamics PM-Series electrodynamic shakers incorporates permanent magnet technology and the voice coil principle to create vibration. These heavy-duty electrodynamic shakers feature a robust design for maximum reliability, with end-users reporting a useful service life of 10, 25 or even 40 years! The shakers come in five unique sizes, with peak sine force ratings of 100 N, 200 N, 500 N, 1000 N and 2000 N; or, 25 lbf, 50 lbf, 100 lbf, 250 lbf and 500 lbf. The MB Dynamics C40HP electrodynamic shaker outputs 22 kN or 5,000 lbf peak. The C40HP is a part of the legacy C-Series of shakers, which have served as the foundation for today’s modern electrodynamic vibration test equipment industry.
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Hall Effect Proximity Switches/Sensors
ChenYang Technologies GmbH & Co. KG
A Hall Effect proximity switch is a non-contact electronic switch, which consist of a permanent magnet or ferromagnetic part as trigger intermediary and a Hall Effect sensor IC. The Hall sensor IC detects the change of the magnet field when the permanent magnet comes in the close proximity to it and generates an electric signal. This signal is amplified and rectified to control the output signal of the switch.
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Magcam MiniCube3D
The fully digital and compact measurement system connects to a computer via a single USB cable, making the measurement data directly digitally available. The Magcam maps are analyzed in real time by the MagScope measurement & analysis software and its optional add-on software modules, which provide powerful measurement and analysis capabilities for a complete quality control and characterization of permanent magnets and magnet assemblies.
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Brushless Permanent Magnet Alternators
NoBrush 400 Hz alternators provide excellent voltage stability, eliminating the need for further regulation in most applications. These Brushless Permanent Magnet Alternator Generators respond quickly to significant load changes, and produce an output waveform free from sharp peaks and spikes. EMI generation is very low; in most instances, it may be considered zero.
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Hall Effect Magnet Kit
Permanent magnet - Neodium materials - +/- 0.03Tesla deviation can be made in a process of assembling magnet. - However, we indicates correct tesla strength measured by gaussmeter, before shipping magnet kit.
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Vibration Shakers
Vibration Shakers and Modal ExcitersFull range of modal and inertial shakers with integrated and easy-to-use amplifiers. Our permanent magnet shakers are compact, lightweight, and powerful general-purpose shakers that can be used for modal and vibration testing. They have a high DUT capacity despite their small sizes.
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Ammeter
AC Rectifier Type Coil Meter
measures the alternating voltage and current with the help of rectifying elements and permanent magnet moving coil type of instruments. However the primary function of rectifier type of instruments work as voltmeter. Now one question must arises in our mind why we use rectifier type of instruments widely in the industrial world though we have various other AC voltmeter like electrodynamometer type instruments, thermocouple type instruments etc? The answer to this question is very simple and is written as follows.
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Magnet Temperature Characteristics Apparatus
TDF
Evaluation of thermal stability of varieties of permanent magnets including rare-earth permanent magnet. TDF-5-200auto This apparatus automatically measures and analyzes reversible temperature coefficient(a) and irreversible temperature coefficient (Flux loss ?f) of magnetic flux density of rare-earth permanent magnet in the wide range from low to high temperature.
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Automatic Hysteresis Graph Test System
DX-4DMT
X-4DMT automatic hysteresigraph system accords with the standard permanent magnet test system, GB3217-92, used to measure the major and minor hysteresis loops, demagnetization curves, recoil hysteresis loops and initial magnetization curves in different temperature of ferrite, AlNiCo, SmCo, NdFeB and quenched material, and gives the magnetic parameter, Br, Hcb, Hcj, (BH)max, Hk and so on, and could meet different requirements on test function, precision, power capability, reliability, efficiency, price, local environment from laboratory to enterprise's production line.
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Calibration & Demag.
Model 990A/990C
The Model 990 Series Magnetreaters® are highly accurate, pulse type, ringing demagnetizers (also called treaters) for the controlled stabilization of permanent magnets and permanent magnet assemblies. Regardless of line voltage stability, they provide a controlled output through continuous pulse amplitude regulation. Treating voltage is variable from 0 to 600 VDC. Additional energy can be added to the Model 990 Series by interconnecting a Model 992 Energy Booster. The energy level is increased from 18 to 36 watt-seconds. With this option, treating coils will produce higher demagnetizing fields and lower ringing frequencies, which can provide greater field penetration in some applications.
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Gauss Meters
A gauss meter displays electromagnetic wave measurements in Gauss (G), milliGauss (mG), milliTesla (mT) or microTesla (µT) units. A gauss meter can detect either static (DC) permanent (rare-earth) magnetic or dynamic (AC) electromagnetic fields (EMFs), or both. Thus, it is important to review the specifications of a gauss meter prior to purchase to ensure suitability for the intended application.Neodymium (NdFeB) permanent magnets are among the world's strongest and most widely used magnets. When testing magnets made of neodymium or other rare-earth elements, a gaussmeter or magnetometer capable of measuring DC magnetic fields is required. However, most electromagnetic fields encountered are generated by AC currents. Examples include electrical power lines, transformers and wiring for overhead lighting, solar panels and other electrical devices and equipment. Electromagnetic fields from electrical installations are believed to cause feelings of nervousness, anxiety and paranoia in EMF-sensitive human beings.Most gaussmeters offered by PCE Instruments can be calibrated and certified according to DIN ISO 9000 standards for an additional fee. Replacement gaussmeter probes and optional accessories are available for most gaussmeter models.
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Hysteresigraph
Model HG-700
The Model HG-700 is a computer-automated, magnetic Hysteresigraph system for measuring the magnetization and demagnetization curves on all types of permanent magnet materials including: hard ferrite, rare earth-cobalt, Nd-Fe-B (Neo), and bonded magnets.
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Non Destructive Testing (NDT)
NDT covers a wide group of testing techniques used to evaluate the properties of a material, part, product, weld or system without causing damage. NDT carried out at KLL includes:Liquid Penetrant Testing (LPT) is used for the detection of surface breaking discontinuities on magnetic and non-magnetic metallic materials.Fluorescent and colour contrast penetrants are available to be used in the following methods:-Water washableSolvent removablePost emulsifiableMagnetic Particle Inspection (MT/MPI) is used for the detection of surface breaking and slightly sub-surface (up to 2mm) discontinuities.Bench type crack detectors and portable units are employed producing various waveforms (i.e. A.C, HWDC and induced magnetic flow) to give both circular and longitudinal magnetism.On-site testing is carried out using electro magnetic yokes and permanent magnets producing induced magnetic flow.Ultrasonic Flaw Detection (UT), also known as Ultrasonic Inspection, is used for the detection of volumetric discontinuities in ferrous and non-ferrous products (forgings and castings etc.), and welds in magnetic and non-magnetic materials.UT is capable of penetrating metals, dependent on the material characteristics, up to 10m in length.Some thickness and depth checks can also be carried out using ultrasound.Radiography services are available through sub-contract booked in advance. Notice is required for on-site work.Personnel are available at short notice for in-house or on-site work in the UK and overseas.All inspectors undertaking non destructive testing (LPT, MT/MPI and UT) are qualified to, and meet a minimum of, PCN Level 2.PCN Level 3 supervision is available in-house for LPT, MT/MPI, UT offering consultancy services including procedure writing and commentary, auditing of techniques and Level 3 Supervisor cover.We can assist clients in product qualification, material testing, quality assurance and audit programmes.
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Angle Sensors
Angle sensors of the PRAS/PRDS series are based on a contact-free and absolute measurement principle. The position sensing element is a permanent magnet.
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Universal Measuring Device For Magnetic Fields
Teslameter M-Test MK4
The M-Test MK4 precisely detects and measures static or dynamic magnetic fields. The ~ 1 mm thick tangential probe allows precise, punctual measurements in hard-to-reach places, air gaps or on surfaces. The M-Test MK4 is particularly suitable for measuring permanent magnets or small ferromagnetic parts.
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Non-Contact Type Magneto-Electric Rotation Detector
MP-9820
MP-9820 is a magneto-electric-rotation detector using an internal hall element, a permanent magnet, DC amplifier, and voltage regulator in its compact body. Using MP-9820 in combination with detection gear enables deriving stable rectangular waveform from ultra low speed all the way through high speed. (1 Hz to 100 kHz)MP-9820 finds wide range of applications and rotational measurement objects by using with TM-3100 series tachometer and FV-1500 FV converter.
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High-Dynamics PIMag Linear Stage
V-522 • V-524 • V-528
Physik Instrumente GmbH & Co. KG
Reference-class linear stage. Linear positioning stages with magnetic direct drives largely dispense with mechanical components in the drivetrain and the drive force acts directly on the motion platform. Together with precision bearings, a high travel accuracy and longer lifetime is achieved. The linear positioning stages are particularly suitable for scanning applications. PIMag® Voice Coil. Voice coil drives consist of 2 essential components: A permanent magnet and a coil, which is located in the air gap of the magnetic field. When current flows through the coil, it moves in the magnetic field of the permanent magnet. The direction of motion depends on the polarity. Thanks to their low weight and friction-free drive principle, voice coil drives are particularly suitable for applications, which require high dynamics and high velocities at limited travel ranges. High scan frequencies and precision positioning are also possible with these drives, because they are free of the effects of hysteresis.
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D.C. Recording Fluxmeter
TRF
This is the equipment being able to measure direct current magnetization property of wide-ranging magnetic materials from soft magnetic materials to high performance permanent magnet with magnetic flux meter based on M integral closed magnetic circuit system.
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Microwave Devices
Photonis Defense and its predecessors have been designing and manufacturing Traveling Wave Tubes (TWTs) since their invention in the early 1940’s. Photonis manufactures helix-type tubes that are constructed using the industry standard metal-ceramic construction. Our tubes are conduction cooled and feature rare earth periodic permanent magnets for power-free focusing.
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Shakers
PM-Series
MB PM-Series Shakers use permanent magnet technology and the voice coil principle to create vibration. These general-purpose shakers are heavy duty, industrial-quality equipment with a proven track record of lasting ten, fifteen, even over twenty years in demanding applications. You can buy “bargain basement” shakers or you can invest in MB PM-Shakers that will provide you with years of dependable, reliable, and consistent testing. Choose from five different sizes – depending on your needs – with maximum sine force ratings of 25, 50, 100, 250 or 500 pounds.
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Magnet Testing
RMP Rotor Measuring Station
The RMP Rotor Measuring Station is a universal measuring system for the precise measurement and quality control of multi-pole permanent magnet rotors.
