Coil
One or more spiral turns of a conductor.
See Also: Helmholtz Coils, Coil Turns, Rogowski, Impulse Winding Testers, Transformer, Inductor
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Motor Test Instruments
The absorbed energy of the DCE series Dyno is converted into heat in two rotors located at the external side of the coils . The rotors are designed with curvilinear cooling fins for fast dissipating heat into the atmosphere . This design provides with the smallest physical size for air cooled Eddy-Current Dyno . Simple construction and desirable speed-torque characteristics are adaptable to most of the applications.
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Circuit Breaker Analyzers & Timers
CAT Advanced Series
DV Power circuit breaker analyzer and timer utilizes the latest technological enhancements for safe and fast testing of circuit breakers. The sophisticated design ensures efficient and reliable operations in high-voltage substations and industrial environments.The CAT Advanced series are stand-alone or PC-controlled digital instruments for a circuit breaker testing. The timing channels record closing and an opening of the arcing, resistor, and auxiliary contacts. Also, the main contact channels can measure the resistance value of the pre-insertion resistors (if present in the circuit breaker).With CAT Advanced series instruments, it is possible to record graphs of open and close coil currents. Furthermore, it records displacements of the HV and MV circuit breaker moving parts. Test results can be saved via USB, PC or be printed via 112 mm (4.4 inches) thermal printer (optional accessory) in tabular and graphical form.A circuit breaker test consists of different operational modes and CAT Advanced series supports:Open (O)Close (C)Reclose (O-0,3s-C)Trip free (CO)O-0,3s-COOpen-Close (O-C)Close-Open (C-O)Open-Close-Open (O-C-O)First trip (O)Multiple operations, such as Open-Close and Open-Close-Open, can be initiated by using a predefined delay time or by sensing a breaker’s contact position.The auxiliary inputs are used to monitor dry and wet auxiliary contacts. The six coil control analog channels measure and record coil currents simultaneously (OPEN and CLOSE), up to 35 A AC/DC.The additional six voltage analog channels have four selectable voltage ranges available (±1 V, ±5 V, ±60 V and ±300 V AC/DC).A built-in micro-ohmmeter generates up to 500A true DC ripple-free current with an automatically regulated test ramp that provides performing static and dynamic contact resistance measurement.Three transducer channels provide a measuring displacement of the circuit breaker moving parts, contact wipe, over-travel, rebound, damping time and average velocity. Also, a user can connect either an analog or a digital transducer to these universal channels.
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Impulse Winding Tester
TH2882A-5
Changzhou Tonghui Electronic Co., Ltd.
Due to the influence of coil wire material, magnetic material, framework and manufacture technics etc., coil products (such as transformers, motors, etc.) may have defects of low insulation between coil layers, circles and leads. TH2882A series impulse winding tester, adopting high-speed sampling technique, is a new generation analysis test instrument for insulation performance of coil products.
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Digital Circuit Breaker Analyzer
CT-3500 S2
The CT-3500 S2 is Vanguard’s second generation, stand-alone, digital, microprocessor-controlled, circuit-breaker timer. It measures the elapsed time from the instant a breaker coil is energized to the instant of opening or closing of a circuit-breaker’s dry contacts. In addition to timing a breaker’s contact response time, the CT-3500 S2 can also time relays or other switching functions that use an initiating trigger voltage (24-300 Volts DC or AC). The timer-triggering voltage starts three independent electronic timers. Each timer is individually stopped by its respective dry-contact closing or opening. The CT-3500 can fully analyze the timing of all circuit breaker operations (Open, Close, Open – Close, and Close – Open). Timing results are displayed in milli-seconds and cycles on the unit’s back-lit LCD screen and can be printed on the built-in 2.5-inch wide thermal printer.
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Surge Tester (Impulse Winding Tester)
SS6815 / SS6815F
Surge testers (impulse winding tester) is used for testing and check the insulation grade of turns between turns, insulation grade of layers between layers, insulation grade of windings between turns. It is used widely for transformer, current sensor, voltage sensor, relay, contactor, inductor, motor, generator, valve coil, voice coil, etc.
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Digital Micro OHM Meter
NMC's Digital Micro Ohm Meters are low cost, compact, light weight, 3½ digit resistance meter suitable for measurements of resistances of cables, wires, transformers, motor windings, coils and contact resistance of switches, connectors, relays and track resistance of PCB's etc. The value of resistance is displayed on 7 segment LED display. Four terminal measurement systems provide measurements free from errors due to contact resistance and test lead resistance.
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J-compensated Surrounding Coils
With incorporated field coils. For plotting B-H (J) hysterese curves at room temperature. The following types are available: JH 6-2, JH 10-1, JH 15-1, JH 20-1, JH 26-1, JH 42-1, JH 66-1, JH 42-2 and JH 66-2.
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Refrigerant Leak Detectors
750a
Test Products International, Inc.
Whether testing for leaks in air conditioning, refrigeration, or automotive AC, the versatile 700 series spans the diverse needs of technicians, refrigeration engineers, and maintenance personnel around the globe. From freezer coils to heat pumps, experience fast, reliable results that save you both time and money.
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Milliohm Meters
PeakTech Prüf- und Messtechnik GmbH
Measuring device in a splash-proof hard case for professional field service use, e.g. for resistance measurement on motor coils, generators and transformers or for continuity testing on ring bus systems in industrial plants.
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MEMS 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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Mini Receiver
FB7-NX
In about 1935, the National Radio Company of Malden, Mass., brought out a “hot” high frequency receiver, called the FB7, and the subsequent FB-7X. It featured a super-hetrodyne design with plug-in coils that gave it a broad frequency range. The “X” model also incorporated a crystal filter in the intermediate frequency section, thus giving it additional selectivity. The receiver was viewed by radio amateurs as a technological breakthrough, and it was also used commercially for point to point high frequency communications. As the receiver did not have an internal RF amplifier section, a separately tunable RF amplifier was later provided in a separate enclosure for additional performance capabilities. Now, National RF, Inc., is resurrecting the fabled receiver name with an all solid-state, hot mini receiver, which also utilizes plug-in coils to cover the HF spectrum. The mini-receiver is designed for use by radio amateurs as well as serious short-wave listeners, and allows reception of AM, CW, and SSB signals. It incorporates a super-hetrodyne design with a dual gate FET built-in RF preamplifier and a ceramic filter for selectivity, often required when used in a crowded amateur radio band. In addition, the receiver has a buffered rear panel output of the high frequency oscillator for use with either a frequency counter for exact receive frequency display, or for interface with an outboard transmitter. A rear panel jack is also provided for muting the receiver when a transmitter is placed into the transmit mode. And, the receiver is small enough to fit into carry-on luggage and taken on trips when it is desired to “keep an ear” on amateur radio or other high frequency activity. The receiver utilizes rear panel plug-in coil assemblies which contain the RF amplifier, mixer, and oscillator tuned circuits. Each plug-in coil assembly also comes with a separate dial scale, which is inserted onto the front panel for displaying the tuned frequency. A very smooth 6 to 1 planetary drive is used for tuning the receiver. Other front panel controls include RF preamplifier peak, volume control, Beat Frequency Oscillator adjustment, and RF gain control. Other switches include filter bandwidth, AM/CW/SSB selection, Power, and a general coverage/band spread control for certain plug-in assemblies. The receiver is intended to drive head-phones via a rear panel jack, but has sufficient output to drive a small external speaker.
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48-Ch SPDT 1A-100VAC 24VDC Switching
YAV91074
The YAV90074 module contents 48 SPDT Relays independent. Each relays PCB contact track is shielded individually in order to handle very low voltage signals and audio signals with extremely low crosstalk. The build-in power supply includes two extra filters to reduce the DC voltage ripple to the relay coils; the control tracks have been drawn in quadrature with signal ones, reducing the inductive coupling produced by the transient current.
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DOUBLE FREQUENCY DOUBLE VOLTAGE TEST SET
International Biological Laboratories
This test set provides a continuously variable output voltage at double frequency to test the insulation between turns of coils, layer to layer, terminals of windings with either uniform or graded insulation and also between the windings and earth, with graded insulation of both Distribution and Power transformers.
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Accessories
Hunan Linkjoin Technology Co., Ltd.
Linkjoin accessories - electromagnet, core test fixture, epstein frame, DC permeameter, AC permeameter, reference magnet, magnetic flux fixture, solenoid, helmholtz coil, temperature controller, etc
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Fastest Flying Probe Test System for Semiconductor Substrate Interconnect Test
GATS-3200
* Test individual packages or * Test Multi-image panels with Step&Repeat Function * single flying probe top using very high speed voice coil motor (VCM) technology * 50 - 100 tests per second ... high throughput * Dual Flying Probe Top for testing bump-to-bump nets * flying probe head allows testing of all nets including each power and ground point * 4-wire test capability
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High-Frequency Test Coil
West Coast Custom Designs, LLC
is most commonly used by the neon industry for detecting leaks in a pumping system; the spark generated by the coil via the solid tip, will enter the tube through the leak and become bright white at the point at which it enters.
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Search Coils And Field Measuring Coils
Designed to measure the magnetic flux on magnets or in the airgap of magnet systems.
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Optical Delay
ODL
The Peregrine Optical Delay Line (ODL) provides an exceptional combination of precision, speed, and optical stability at a low price. It is ideally suited for pump-probe experiments and autocorrelation measurements (both interferometric and intensity methods). Advanced voice coil technology allows the ODL to be positioned anywhere in its travel range to within 150 nm. That’s 1 fs for a double-pass configuration. The response time is as short as 1 ms. Our 1-cm-travel ODL is interferometrically stable (measured using a 650 nm laser). No backlash, no hysteresis and no drive trains to wear out as with stepper motors. It’s convenient–the ODL can be positioned using digital commands, an analog voltage or a combination of the two. Two 16-bit on-board analog-to-digital converters simplify data collection. Digital inputs and outputs allow master or slave clocking. An executable Windows application is provided to get you up and running in minutes. In addition, DLLs and LabVIEW Vis for integration into your software are also included.
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COMPUTERIZED AUTOMATIC RELAY TEST SYSTEM
CVRT-S16
CVRT-S8 & S16 are ideal for automatic testing of ELECTRO MECHANICAL AND READ RELAYS (only DC relays) both for static and dynamic characteristics. This system scans at one stroke, all the parameters of the relay as per definition of test procedure. The test sequence can be pre-programmed and stored in the disk. You can select the tests as per your requirement. Can include or exclude the test and you can have several options to match your test definitions. Semi skilled person can be engaged for actual testing, as he need not make any settings and need not interpret the readings. The system conducts the tests and gives PASS / FAIL indication on overall test results. If a printer is connected, each test result will be printed.Test Parameters : -> Coil Resistance.-> PickUp/Pull In /Operating Voltage or Current Linear Ramp Method or Step Method.-> Measure Pickup Contact Gap FBB-LBB V or mA-> DropAway/Drop Out/Release Voltage or Current Linear Ramp Method or Step Method.-> DropAway Contact Gap FFB-LFB V or mA-> % Release Dropaway/Pickup-> Contact Resistance of all contacts both Front and Back contacts.-> Operating Time @ Set Voltage or Current.-> Contact Bounce or Chattering Time while Operating @ above-> Release Time @ Set Voltage or Current.-> Contact Bounce or Chattering Time while release @ above-> Difference of Operate Time - Release Time.-> Bridging Test or Non Overlap Test.-> Transfer or Traverse Times while Operate and release.-> Operate Time @2nd Set Voltage or Current.-> Release Time @2nd Set Voltage or Current.-> Power Consumption @ Rated Voltage.-> Coil Current @ Rated Voltage at Room Temperature.-> Coil Resistance Corrected to 20deg C.-> Timing Waveform Graph for all active Contacts.
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SIL Reed Relays
Series 105
• SoftCenter™ construction• Highest quality instrumentation grade switches• Encapsulated in a plastic package with internal mu-metal magnetic screen• Wide range of switch confi gurations -Form A, 1 Form B, 2 Form A, 1 Form C• Two pole relay requires the same board area as the single pole type• Dry and mercury wetted switches are available with the same pin configuration and footprint.• Many benefits compared to industry standard relays. Learn more here >.• Insulation resistance greater than 10E12 Ohms (1TOhms) for dry Form A devices• 5, 12 and 24 Volt coils are standard, with or without internal diode• 100% tested for dynamic contact resistance
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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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PXI Digital I/O And Prototyping Modules
Programmable Input Threshold and High-Side or Low-Side Drive Capability Available on Some ModulesOptically Isolated Input/Output for Interfacing to Electrically Noisy Environments Available on Some ModulesTTL Inputs and Outputs Suitable for Interfacing to External LogicOpen Collector/Drain Transistor Output Versions Suitable for Driving Internal or External Relay Coils
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Towing Dynamometer
RS-25K
RS-25K Towing Dynamometer is designed for testing today’s full-sized SUVs and light trucks. The RS-25K is built with a heavy-duty steel frame, an aerodynamic body and rides on an independent, air ride suspension using two eddy current absorbers with special high temperature coils to absorb energy. The RS-25K is powered by an industrial generator so there are no lead-acid batteries to charge and testing time is unlimited at low speeds.
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Multifunction Voltage and Current Calibrator
MC140i
Multifunction calibrator MC140i is ideal for calibration of voltmeters, ammeters, DMMs and panel meters. AC/DC voltage 1uV to 1000V. Current 50uA? to 1000A using test coil. Deviation control along readout. 0.0035% basic dc accuracy. 0.03% basic ac accuracy. Supplied with RS232 interfaces. UKAS/NIST Traceable
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Air Core Electric Arc Furnace Reactors
Arc Furnace Reactors are serially connected reactors that are installed in the supply systems of arc furnace transformers to stabilize arc and limit the unstable arc furnace current and voltage drop which optimize their melting process. These buffer reactors are connected in series to the primary side of the furnace transformer. Typically these reactors are tapped coils and manufactured as per customer'stap requirements.
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PXI 64 Channel Relay Driver Module
40-411-001
The 40-411 is the perfect solution for driving external relays from a PXI system or from Pickering Interfaces LXI modular chassis. Each module provides 64 channels of low side switching for external relays. Users need to simply connect a positive voltage source to one side of the relay coil and the other side to the 40-411 output. Each output is capable of sinking up to 1 Amp of continuous current.
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Clamp Sensors
Kyoritsu Electrical Instruments Works, Ltd.
Can measure AC current up to 1000A Flexible and light weight by the air core coil used at the sensor part Designed to meet the international safety standard IEC 61010-1 CAT IV 300V, CAT III 600V
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Non-Contact Displacement Sensing System
KD-2306
Multi-purpose non-contact position/displacement sensing* Supports both dual and single coil sensors* Terminal I/O connections* Auto-synchronization of multiple channels* Analog DC and 4-20mA outputs* Single ended, bipolar, and differential voltage outputs* Front face coarse and fine calibration controls* RoHS compliant and CE marked
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Toroid Core Coil Turns Testers
SS107A
The magnetic torrid ring core winding coil turns tester (SS107A) adopts the high speed center microprocessing unit circuits and precise measurement A/D circuits. This coil turns tester is used to count the coil turns of various torrid core winding coils. Like as: torrid core inductors, torrid core transformers, torrid core sensors, wate meter sensors, torrid current transformers, torrid core choke coils, etc. The tone tester is named magnetic ring core coil turn tester also.
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Towing Dynamometer
RSL-15K
RSL-15K Towing Dynamometer is designed for testing today’s full-sized cars, to mid and full-sized SUVs. The unique design of the RSL-15K allows it to be used for a wide range of vehicle weights. Built with an all-aluminum frame, sheet metal body and rides on an independent, coil spring suspension. The RSL-15K uses two eddy current absorbers for power absorption. The power is provided by batteries and an alternator.
