Hysteresis
See Also: Hysteresis Loop, Hysteresis Graphs, Hysteresis Curve, Magnetic Permeability
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Product
DC Hysteresis Graph Test System
DX-2012H
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Automatic measurement of the demagnetization curve of permanent magnetic material such as ferrite, AlNiCo, NdFeB, SmCo, etc. Accurate measurement of the magnetic characteristic parameters of remanence Br, coercive force HcB, intrinsic coercive force HcJ and maximum magnetic energy product (BH)max.
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Product
Hysteresis Loop Tracer
MESA
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The MESA is the only hysteresis loop tracer on the market that can make measurements in the frequency range of 10 Hz and below. Competing units operate with more-easily generated 60 Hz drive fields, and can have errors of as much as 30% in coercivity (Hc) measurements.
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Product
Automatic Hysteresis Graph Test System
DX-4DMT
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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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Product
Adaptive Inverse for Actuator Compensation Toolbox
AIFAC
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Actuator nonlinearities such as dead-zone, backlash, and hysteresis are ubiquitous in mechanical connections, hydraulic servo-valves, electric servomotors, piezoelectric, pneumatic and magnetic actuators, and even appear in biomedical systems. The Adaptive Inverse For Actuator Compensation (AIFAC) Toolbox for Simulnk allows control system engineers to design high-performance adaptive controllers to compensate for uncertain or undesirable actuator dynamics that would otherwise adversely affect closed-loop control system performance.
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Product
X Band Coupler With Dual Output Threshold Detector
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The X Band coupler with dual output has an input power range of either -5 to +10 dBm, or +5 to +20 dBm. Covering 8.0 to 9.5 GHz, insertion loss is less than 1.0 dB and VSWR is 1.5:1. The coupler/detector has two external resistors providing independently settable threshold TTL outputs. The power flatness is ~0.4 dB and hysteresis is 0.1 dB. Cougar can provide this function in other frequency ranges and input power ranges.
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Product
Open Optical Encoders
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An optical encoder is an electromechanical device which produces an electrical signal output proportional to the linear displacement of a linear guide or the angular position of an input shaft.Open encoders are exposed and feature no external integrated enclosure. The advantages of open optical encoders include the effective elimination of backlash, shaft wind-up (torsion) and other mechanical hysteresis errors.A rotary open optical encoder consists of a position measurement readhead and an accurate rotary scale marked either on the periphery of a ring or on the face of a disc.The readhead measures position by optically sensing the regularly-spaced scale markings and outputs this information as an analogue or digital signal.The signal is subsequently converted into a position reading by a digital readout (DRO) or motion controller.
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Product
PMC-Serial
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The PMC-Serial is capable of providing multiple serial protocols, both synchronous and asynchronous with a wide range of baud rates. The PMC-Serial has up to 8 UART channels, and two SCC channels. The protocol processors are complemented with a variety of IO which can be selected as a build option. RS-232, RS-485, RS-422, and RS-423 are supported. Two enhanced hysteresis MIL STD 188-114A receivers, and two open drain active low output drivers are also provided.
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Product
Digital I/O Board
3512
Digital I/O
The 3512 is an eight channel non-isolated digital I/O board with +5V tolerant 74LCX14 inputs with hysteresis and +3.3V CMOS 74LVTH125 driven outputs. Each I/O line features a series 10 ohm damping and protection resistor and a 4.7K pull up resistor to +3.3V. On power up the outputs are tri-stated, and can then be enabled on a bit by bit basis. Output high drive is 32mA @ 2.0V minimum. Output low drive is 32mA @ 0.8V maximum.
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Product
Dynamometer Test Systems
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Genuen provides a full range of off-the-shelf and custom dyno test cell solutions. We offer turnkey test cell integration services and test cell upgrades and modernization for all types of dynamometers used in automotive, aerospace, industrial, commercial, off-highway, and agricultural markets. Our broad-based expertise includes dynamometer test systems ranging from AC motor, hydrokinetic, hydrostatic, electric AC/DC, eddy current, and hysteresis brake.
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Product
Magnet Tester
MP
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Computer aided measuring desk for automatic measurement of hysteresis loop of hard magnetic materials. Use pole pieces with integrated measuring coils, or J-compensated surrounding coils.
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Product
Ferroelectric Test System
RT66B
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Radiant's Rt66B offers amazing performance at an affordable price. The Rt66B is a perfect entry level system for measuring Ferroelectrics. This system does include Radiant's famous Vision Data Management System which offers all the standard measurements of ferroelectrics including Hysteresis, Fatigue, Waveform, C/V, I/V, PUND and much more.
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Product
Powder Brake Dynamometers
PB Series
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The Powder Brake Dynamometer (PB Series) contains, as its name suggests, a magnetic powder. The electrical current passing through the coil generates a magnetic field, which changes the property of the powder, thus producing a smooth braking torque through friction. They are ideal for applications operating in the low to middle speed range or when operating in the middle to high torque range. Like Hysteresis Brakes, Powder Brakes provide full torque at zero speed. Like the Eddy-Current Brake Dynamometers, the PB series are water-cooled, allowing for power ratings up to 48 kW. The PB Dynamometers have accuracy ratings of 0.3% to 0.5% full scale ( 2% for PB 2.7), depending on size and system configuration. Additional mounting possibilities include speed pickup and OEM version IS.
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Product
PXI/PXIe LVDT, RVDT, Resolver Simulator Modules
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Linear variable differential transformers (LVDT) are electrical transformer sensors to measure linear displacement. Driven by an AC excitation source, the LVDT generates a pair of AC output signals modulated according to the core's mechanical position (displacement). LVDTs have been widely used in applications such as power turbines, hydraulics, automation, aircraft, satellites, nuclear reactors, and many others. These transducers have low hysteresis and excellent repeatability.
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Product
High-Dynamics PIMag Linear Stage
V-522 • V-524 • V-528
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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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Product
Electromagnets
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The Lake Shore electromagnets (EM-V Series) produce magnetic fields with a variety of indexed air gap and pole cap configurations. The EM-V Series is ideally suited for integration into customer-designed magnetic test platforms for applications including magneto-optical studies, magnetic hysteresis studies, in-line annealing, Hall effect studies, susceptibility measurements, spin magnetic resonance demonstrations, and biological studies.
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Product
Transformer Performance Tester
6691
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applying ±90V voltage on the winding of the transformer demagnetized and get the voltage value on the terminal and the current value in the winding to draw the hysteresis characteristic curve. This method can be used for linear quantitative analysis of residual magnetism in transformers, and fast demagnetization can be achieved by tracking hysteresis curves. The analyzer can measure magnetism residual rate before and after demagnetization.
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Product
Precision Barometric Transmitters
HD9408.3B… Series
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HD9408.3B is a barometric transmitter that uses a piezoresistive high accuracy and temperature-compensated sensor. It allows to measure the atmospheric pressure in the range from 500…1200 hPa, providing extreme accuracy and time stability, with excellent repeatability, low hysteresis, and excellent temperature behavior.
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Product
Signal Generator
8002
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25C, hysteresis eliminated. To within 10 MHz of the final frequency. Normal switching mode, SSB phase noise will be degraded in the fast switching mode.
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Product
Materials Test System
ModuLab XM MTS
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I-V (voltage scans with current measurement - used to characterize electronic and dielectric materials)P-E (polarization / electric field - used to run hysteresis tests to characterize ferroelectric materials) High-speed pulse (used to activate charge carriers in electronic and dielectric materials)Staircase and smooth stepless analog ramp waveformsImpedance, admittance, permittivity / capacitance, electrical modulusC-V capacitance - voltage, Mott-SchottkyAutomatic sequencing of time domain and impedance/capacitance measurements
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Product
Trip Amplifiers
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Datexel manufacture a large range of Trip Amplifiers and Process Limit Alarms that accept universal inputs and provide either relays or NPN or PNP transistor outputs. The DAT5028 is also an isolated signal converter and has a local display with up to 4 relays and is DIP switch programmable. The inputs can be Thermocouples, RTD, mV, mA, Resistance, Potentiometers or Voltage. They can be supplied fully configured set up by PC or DIP switches. The DAT5024 is a trip Amplifier / Temperature limit alarm for RTD's, Thermocouples, Voltage, Resistance and Current with the option of 1 or 2 relay outputs hysteresis and delay timers. The DAT5024 E range is an economical choice with DIP Switch programmable for voltage or current input. Either 1 relay or 2 relays (SPDT) are available with delay timers.
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Product
High Precision Canister Load Cell
Model 2000 Series
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The Model 2000 Series High Precision Canister Load Cell was designed to accurately and precisely measure force, which many other quantities such as torque, thrust, and pressure are based, for aerospace applications. The Model 2000 Series, available with load measurement capacities up to 750K lbf, offers high performance and linearity and very low hysteresis. ±0.02% FS Hysteresis
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Product
Dial Weight Dynamometers
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The most important characteristic of any measurement instrument is repeatability and accuracy. The Magtrol Dial Weight Dynamometer uses the combination of a Hysteresis Brake and gravity to insure constant, reliable results. The brake torque rise is directly proportional to applied current
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Product
Transformer Degaussing Analyzer
KRI6691
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The KRI6691 transformer degaussing analyzer injects current into the test winding by applying ±90V voltage, and collects the terminal voltage and winding current to draw the hysteresis characteristic curve. Linear quantitative analysis of transformer remanence can be performed, and rapid demagnetization can be achieved by tracking the hysteresis curve.
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Product
Pressure Switches
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NOSHOK offers a wide selection of mechanical and electronic pressure switches, including low pressure, compact switches with 1 SPST N.O. or N.C contact, as well as RoHS compliant SPDT pressure switches with adjustable hysteresis. These switches are ideal for use in hydraulic systems including mobile hydraulics, as well as pneumatic systems, power generation, industrial machinery or machine tools, pumps & compressors and more.
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Product
HandyScope HS4 DIFF: 50 MS/s 100MHz BW, 4 Channel, USB Differential Digital Storage Oscilloscope, Spectrum Analyzer, Voltmeter, Transient Recorder
HS4-50-DIFF
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* record length is 131060 samples * 128K samples on screen without loss of information * free settable pre trigger position, from 0 to 100% * easy time axis zoom using unique scaleable sroll bar slider * free adjustable sample frequency * vertical offset and gain adjustable with graphical shiftable and scaleable axis * WYSIWYG trigger level, slope and hysteresis adjustment using combined trigger control * Auto setup to reduce setting time with unknown signals * linear/quadratical interpolation * extended cursor measurements * all settings accessable through popup menus * storing and recalling reference signals * software math channel available * easy to use speedbutton toolbar for easy access of all functions * comment tags to mark specific events in the signal * color hardcopy supported * explanatory comments with all controls * envelope mode * averaging of signals
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Product
Absolute Optical Inclinometer
A2T
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The A2T is a single axis, digital gravity angle sensor. The A2T serves as a full 360 range absolute tilt sensing programmable level with either digital or analog output. Internally, a rotary bar coded disk is mounted to a weighted gravity driven wheel. A micro-controller strobes an LED to transfer the bar code image onto an optical linear array, then decodes the position every 2 mSec. Magnetic damping provides fast response and settling time while virtually eliminating overshoot and oscillations. An internal EEPROM stores field programmable parameters such as resolution, zero position, direction swap, and mode. This second generation design virtually eliminates the primary accuracy limitation of first generation inclinometers, which is sitation (hysteresis).
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Product
AC Hysteresis Graph Test System
DX-2012SA
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Under continuous frequency of 1 kHz to 500 kHz, automatic measurement of magnetic hysteresis loop of the soft magnetic materials such as silicon steel, precision alloy, non-crystal and ferrite, accurate measurement on the dynamic magnetic characteristic parameters such as amplitude permeability µa, loss angle d, loss iron Pc, remanence Br and coercivity Hc.
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Product
Hysteresis Dynamometers
HD Series
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16 Standard Models with Maximum Torque from 2.5 ozin to 500 lbin (18 mNm to 56.5 Nm)Hysteresis Braking System: Provides precise torque loading independent of shaft speedMotor Testing from No Load to Locked RotorAccuracy: 0.25% to 0.5% (Full Scale)Air Flow Sensor: For protection against overheating and operator errorStandard Torque Units: English, Metric and SIBase Plate: Available in long or short versionsCustom Dynamometers: for special torque and speed requirementsEasy Calibration
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Product
Soft Iron Tester
WP2
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Computer aided measuring set for automatic measurement of the hysteresis loop of soft magnetic materials. Allows measurement of workpieces with different length and cross sections.
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Product
Vibrating Sample Magnetometer
VSM
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The VSM (also named M-H CURVE Hysteresis Graph TEST SYSTEM ) can be used for the measurement of the basic magnetic properties of the magnetic materials. Such as the Hysteresis loops of the materials, Magnetization curve, Warming Curve , Warming /Cooling curve, Cooling curve and the changes of the temperature as time goes away , then we will get some Magnetic parameters such as the Saturated strength of the magnetization, the left strength of the magnetization , Coercive force, the Max of Magnetic energy product,the Curie temperature and the Magnetic conductivity(the Initial Magnetic conductivity is included ). It can also measure the magnetic materials such as the powder, the particles, the films, the liquid and the massive.
