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Coil Turns
See Also: Coil, Helmholtz Coils, Rogowski
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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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TOROIDAL COIL TURNS TESTER
TURNS-TTPT
Digital TURNS TESTER for Counting Number of Turns for Toroidal Coils , Current Sensor , Current Transformer , Round Core Coils. Can measure, Turns along with Winding Polarity and DC Resistance.Turns Measurement ( through Toroidal Turns Test Platform) : -> TTPT-100 : 5 Turns ~ 1000Turns-> TTPT-1000 : 500 Turns ~ 10,000Turns
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Bobbin Winding Coil Tester
SS108A series
Bobbin winding coil testers are used to test various coil of turns. Such as: generator winding turns, transformer winding turns, motor winding turns, inductor winding turns, contactor winding turns, relay winding turns, sparking winding turns, ignition winding turns, speaker voice coil, etc.
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DIGITAL TURNS TESTER AND DIGITAL LCRTZ METER
TURNS-LCRTZ
Digital TURNS TESTER with LCR for Counting / Measuring Number of Turns for Toroidal Coils , Current Sensor , Current Transformer , Round Core Coils. Can measure, Turns along with Winding Polarity , DC Resistance , Inductance (L), Capacitance (C), DC Resistance, Rac, Q, D, ESR and Tan.Toroidal Turns Platforms :TTPT100 : 5 T - 1000 T , TTPT1000 : 500T-10000 T The Platform has 2 connections for the coil and 2 for the probe wire. Measurement principle is based on dynamic comparison of the voltage across one turn and the coil. You will be able to get the polarity or winding indication with respect to the one turn reference.Accuracy : + 0.2% + 0.5T for high and medium permeability cores at suitable test frequency. Internal Diameter must be able to pass a wire as thin as 0.2 mm. External Diameter as high as 200 mm.Test Frequency Selectable in Step : 50 Hz, 100 Hz , 500 Hz, 1 KHz, 5 KHz, 10 KHz. Test Voltage adjustable : 100mV to 1V in steps of 50mV.
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Bobbin Winding Coil Turn Tester
SS108 Series
This (SS108** series) winding coil turn testers are used for testing turn of various coils without core, like as: generator winding, transformer winding, relay, inductor, contactor, ignition coil, voice coil, etc.
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High Voltage Surge Current Monitors
HVSCM
Designed to be used with the Model HVST High Voltage Surge tester. The Surge Current Monitor allows simultaneously surge testing 20 units. The Surge Current Monitor monitors the current going through each unit under test at the time of the surge. If a unit under test breaks down or leaks, the Surge Current Monitor will identify the bad unit by lighting the corresponding LED. The most important features of the surge tester are its ability to test the entire winding insulation system. A high voltage surge generates turn to turn, coil to coil, and phase to phase voltage stress, as well as ground insulation stress. When used as a dielectric test, accurate voltage readings are essential. The HV Surge Tester monitors the voltage directly across the winding under test. In production testing we expect that most of the time the devices will pass. In the event that one should fail, the failed device would be removed and then all the parts would have ot undergo another surge test. Since most devices pass most of the time, simultaneous surge testing can be a real time saver.
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Helmholtz Coils / Radiating Loops
Formed by a pair of conducting circular coils with many turns, each carrying a current. The coils are separated by a distance equal to the radius of the circular loops.
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High Voltage Surge Testers
HVST
The most important features of the surge tester are its ability to test the entire winding insulation system. A high voltage surge generates turn to turn, coil to coil, and phase to phase voltage stress, as well as ground insulation stress. When used as a dielectric test, accurate voltage readings are essential. The HV Surge Tester monitors the voltage directly across the winding under test. This voltage is displayed on an oscilloscope and recorded on the Pass/ Fail LED latch monitor. This voltage will be accurate despite the impedance of the winding being tested. The insulation system can be tested way above the operating voltage because of the brief duration of the applied voltage test pulse. This allows faults to be detected long before they become apparent at operating conditions.
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Solenoid Valve Tester
DZ800
Shanghai Aoboor Electric Co., Ltd.
Insulation resistance, HIPOT, coil DC resistance, turn to turn surge tests can be automatically completed in one time. Applicable to electrical performance test of solenoid valves, changeover valves
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WINDING COIL TURNS TESTER
VE201R
Winding Turns Tester for Counting Measuring Number of Turns for Air Core Coils, Bobbin Coils or Solenoid Coils. Can Measure : Turns along with Winding Polarity and DC Resistance.Turns Measurement : 1 Turns to 80,000 Turns
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Helmholtz Coils
Helmholtz coils is a candidate test apparatus for low frequency magnetic field susceptibility testing on military equipment and subsystems. Use of this coils reduce electromagnetic compatibility (EMC) qualification tests time, and subject the equipment under test (EUT) to a relatively uniform field.
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Helmholtz Coils
Helmholtz-Coils are especially designed to generate precisely defined magnetic fields from DC to the upper end of the audio frequency range and beyond. The generated fields are in a strongly linear relation to the coil current. The field- strength can be calculated exactly by analytical (or numerical) methods, based on the coils' geometry, the number of turns and the coil current.
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Rogowski Coil
INTEGRATORS FOR ROGOWSKI COILS
*High accuracy Class 0.5 (IEC 61869-2)*Combined with LEM ART & ARU class 0.5 Rogowski coils, they offer a universal metering and monitoring solution easily integrated with a monitoring device.*DIN rail mounted.
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Turned Log Peri Antenna
MOLP80-1000M
This is Antenna for IEC61000-4-3 Radiation Immunity Test. Unique Structure with turned Element increase the GAIN at the low frequency. Stew structure of 22 and can be fitted to normal Antenna MAST.
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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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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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Transformer Turns Ratio Meters
Vanguard Instruments Company, Inc.
The ATRT-01 S3 is Vanguard’s fourth generation, micro-processor based, single phase, automatic transformer turns-ratio tester. The ATRT-01 S3 uses the IEEE C57.12.90 measuring method to determine the transformer turns-ratio. The transformer turns-ratio is determined by precisely measuring the voltages across the unloaded transformer windings. The ATRT-01 S3’s measuring circuitry self adjusts before each measurement to ensure turns-ratio accuracy. Two selectable test voltages, 4Vac and 40Vac, offer flexibility in testing different types of transformers.
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Transformer Turns Ratio Tester
CX-BY
Shenzhen Chuangxin Instruments Co., Ltd.
It is to test voltage ratio, vector, polarity, ratio error of current transformer and voltage transformer.
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T3RC Rogowski Coil Current Probes
T3RC Series
Teledyne Test Tools Rogowski Current probes offer a broad range of products covering a wide frequency span and current measurement ranges for maximum application coverage whilst being easy to use in difficult to reach parts of the circuit.
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Retractable Coiled Cable
Teledyne Marine Cable Solutions
Superior retractability and memory. With our internal custom cable manufacturing, we can convert most linear cable constructions into retractable coil cords while maintaining the integrity of the electrical conductors.
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Shorted Turns Tester for Bobbin Wound Coils
Model STT-4
International Electro-Magnetics, Inc.
The STT-4 Shorted Turns Tester offers a quick and easy means to detect shorted turns in bobbin coils. It is a non-stress and non-contact test.
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Transformer Turn Ratio Instrument
ART-3D
The ART-3D is high precision instrument designed to measure ratios, magnetization currents, phase-shifting in power transformers, distribution transformers, potential and current transformers, in conformity to IEEE C57.12.90 and CEI/IEC 60076.
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Toroidal Turns Analyzer
1000
International Electro-Magnetics, Inc.
The Model 1000 is designed to be used in production environments to test for actual turns on toroidal cores. It is able to test single winding toroids as well as multiple windings. It automatically compensates for variations in core permeability.
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Transformer Turns Ratio Tester
CXBC-901
Shenzhen Chuangxin Instruments Co., Ltd.
Transformer Turns Ration Tester is applied to measure the voltage ratio and group testing of the three or single phase transformer. All the test results could be printed by the micro printer or saved in the tester.
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3 Phase Choke Coils
Supreme Instrument Laboratories
Suitable for operation on 415 / 440 V, A.C. 50 Hz. Working on air gap separation by increasing / decreasing the air gap with the help of a hand wheel mechanism, mounted on thick wooden / bakelite sheet with castor wheels for easy transportation.
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Fully Automatic Transformer Turns Ratio Tester
DY100
DY-100 is a new generation, fully automatic, transformer turns ratio tester designed for measuring ratio, ratio error of single and three phase transformers. The entire test is done automatically and quickly. Operator enters the test parameters and DY-100 tak es over; powers up the voltage, balances the bridge, takes the readings, and displays the results on the LCD screen. Prints testresults through its built-in printer. A key feature of the DY-100 is automatic measure transformer connection group. LV and HV windings are automatically isolated once the measurement is over. True portability is achieved by the lightweight (only 10 kg), single unit design housing the DY-100. The DY-100 is encased in an aluminum alloy cabinet.
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Helmholtz Coils (Field Standards)
Lake Shore offers four Helmholtz coils for field standards: 2.5 in, 6 in, and 12 in diameter single axis, and the MX-2X-10 double axis coil. Standard field coil (field generation). Field strengths from ˜12 G to ˜30 G. Field accuracy of 0.5%. Field uniformity of 0.5%*. Single axis configuration with 2.5 in, 6 in, and 12 in diameter coils.
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Turns Ratio Meter
Model TRM200
Turns Ratio Meter Model TRM200 is widely used in transformer industry in manufacturing and repairing service. It directly display the ratio of LT turns & HT turns. It is capable to measure turns ratio till 1:1200. Turns ratio meter is designed to be a rugged and reliable. It is equipped with stable 250mA source. The design is based upon in-house invented & patented technology. TRM200 has also option for 1amp current source on demand.
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Coil Tester
It is a new impulse winding tester that incorporates high precision, a wide range of functions, various expandability, improved operability, and a full range of external communication interfaces.
