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Resistance
that which keeps current from flowing freely.
See Also: Resistivity, Resistance Standards, Resistance Meters, Resistance Test, 4-wire
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Footwear Testing Machines
Dongguan Amade Instruments Technology Co., Ltd
Footwear testing machines are designed to determine a variety of mechanical and chemical performances of different types of shoe materials and finished shoes including sneakers, high-heeled shoes, leather shoes, casual shoes, etc. There are appearance performance tests including yellow resistance test, ageing resistance test, fastness resistance test, etc, physical performance tests containing flexing resistance test, rubbing resistance test, anti-slip test, etc, biological and chemical performance tests covering PH test, Formaldehyde content test, flame retardant test, etc, and service life test. Applicable to standards of ISO20344, SATRA, ASTM, etc.
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Fire and Flammability Testing
Will your products, subsystems or components operate as designed when exposed to fire conditions, or will they go up in flames? Fire and flammability testing is required for products used in a wide range of industries, including Aerospace, Defense, Telecommunications, and Consumer Electronics. NTS offers fire and flammability testing services, typically falling into two categories: 1) ignition and flame spread, and 2) fire resistance.
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Insulation Tester
Shenzhen Graigar Technology Co.,Ltd.
Testing the integrity of insulation requires measuring its resistance to current flow across it. A high level of resistance means that very little current is escaping through the insulation. Conversely, a low level of resistance indicates a significant amount of current may be leaking through and along the insulation.
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Handheld Turns Ratio & Winding Resistance Tester
TWR-H Series
Handheld TWR-H device is DV Power single-phase instrument designed for measuring transformer winding resistance and turns ratio.The instrument has two output DC sources for measuring transformer winding resistance. The first DC source can output up to 2 A DC and is used for injecting current to the transformer’s high voltage winding. The second DC source can output up to 10 A DC and is used for testing the transformer’s low voltage winding. This is especially useful when measuring winding resistance of distribution transformers. These transformers have large turns ratio and therefore a big difference between resistances of high voltage and low voltage windings. Upon the winding resistance test, it is also possible to demagnetize the transformer core. The demagnetization process is completely automatic and safe.Together with the turns ratio, the instrument also measures excitation current and phase shift. This enables detecting transformer core or winding turns failures which cannot be spotted by measuring turns ratio only. The instrument can output test voltage up to 40 V AC for this test, but it can also output a very low test voltage of 1 V AC which is necessary for turns ratio verification of the majority of current transformers.TWR-H is powered by an internal Li-Ion battery. Up to 100 tests can be performed with a fully charged battery.
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Fatigue Crack Growth Testing Module
Resistance to fatigue, ageing and crack growth are major issues for rubber like materials. Current commercial methods for crack growth testing have been restricted to time to failure test.
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Kelvin Contact Test
C.C.P. Contact Probes Co., LTD.
We offer different tip types for low resistance testing.
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Milliohm Meter
MO-100
Diagnose potential failure with the MO-100, portable battery powered milliohm meter. Quickly check windings opens or shorts in motors, generators and transformers, wire-to-wire connection resistances, heating elements testing and contact resistance in critical electrical connections.
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Paper & Packaging Testing Equipment
Dongguan Amade Instruments Technology Co., Ltd
Packaging testing equipment are intended to measure the resistance of corrugated containers to various crushes and burst at given conditions, applied to bursting strength test, ring crush test, edge crush test, flat crush test, pin adhesion test, puncture strength test, bending stiffness test, corrugating medium test, compression test, damp-proof test etc. As corrugated boxes assume the important responsibility of loading and protecting goods playing an inevitable role in modern logistics, so the properties of corrugated boards have to be mastered by manufacturers and users prior to use. The physical performances which are measured by a series of testings are core factors for judging the quality of packaging boxes. Paper testing items mainly include quantification, thickness measurement, whiteness, smoothness,breaking elongation, burst resistance, folding resistance, stiffness, tearability, degree of sizing, etc.
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Multifunctional Scratch Hardness Tester
Sataton Instruments Technology CO., Ltd
Multifunctional scratch hardness tester is an integrated testing instrument designed for cross hatch cut method and five-finger (five arm) method to measure scratch or mar resistance, hardness, susceptibility of a material surface to different physical damage like scratching, marring, scraping, etc. The tester are made of two parts, one is for determination of resistance to scratches and cuts according to cross-cut test for paints and varinishes. The other is for
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Ozone Test Chamber
Wewon Environmental Chambers Co, Ltd.
provide an effective solution to the testing of products for resistance against ozone degradation in a controlled environment. These test chambers function as static tensile test chambers as well as Rubber Test Chamber and are often used for studying static tensile deformation of various manufactured goods in the presence of ozone.
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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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Mechanical Testing
Our Capabilities*Flammability*Solderability and Solder Heat*Package and Drop Testing*Resistance to Chemicals and Solvents*Conformal Coat Compatibility*Compression and Tension Testing*Up to 10,000 pounds
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Ohmmetrie
0.1 Ohm to TeraOhms each ohmmeter or AOIP resistance meter covers a very broad spectrum of applications for resistance testing, electrical continuity but also isolation.
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Multi-channel Resistance Meter
Changzhou Applent Instruments Inc.
Can scan and test 10 channels of resistance and can set a comparator for each channel. Its temperature compensation function can adapt different testing requirements. It can be applied to automation equipment.
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Single-Phase Transformer Winding Resistance Meters
RMO-TT Series
RMO-TT series is perfect for measuring winding resistance of inductive objects such as power and distribution transformers or autotransformers. Additionally, every transformer resistance meter from RMO-TT series can analyze:tap changers,generators,electrical motors,high-current busbar joints,cable splices,and welding joints.Transformer demagnetization can also be performed with all RMO-TT instruments.The series is consisted of 3 models, with maximal test current from 40 A (RMO40TT) to 100 A (RMO100TT). RMO100TT is the only portable transformer resistance meter in the market with 100 A DC output current.The three independent channels enable testing of three windings in series. Consequently, a user can measure winding resistance in every tap position of an on-load tap changer without discharging between the tests.In addition to winding resistance measurement, a user can perform a detailed on-load tap changer analysis by analyzing recorded graphs (10 kHz sampling rate) and by measuring vibrations on an external tap changer tank.All RMO-TT instruments have a built-in tap changer control unit. Because of this, it is possible to remotely control on-load tap changer (OLTC) directly from the device. Also, a user can program DV-Win software to do everything automatically – running winding resistance tests and changing OLTC tap positions.The DV-Win software also enables control and observation of the test process, as well as saving and analyzing the results on a PC. It provides a test report, arranged in a selectable form as an Excel spreadsheet, PDF, Word, or ASCII format. Additionally, DV-Win measures and calculates the OLTC transition time, the ripple and the winding resistance for each tap changing operation. The software can also perform the calculations necessary for the “Heat Run” test.All results can be exported in the report format.
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Resistance Wire Bonding
Electronic Systems of Wisconsin, Inc.
ESW's Resistance Wire Bonding System comes equipped with the latest features the market has to offer. Our system is capable of bonding armatures, stators or coils. The on-screen display in our bonder makes it easy to read, track, and record your bonding data. If desired, ESW offers complete electrical testing of the part prior to the bonding sequence as well. This ensures only good parts that have been electrically tested are processed through bonding. It is our duty to make sure you never have to worry about losing important information again. Our Sales and Engineering staff will work closely with you to make sure that a bonding systems will meet your needs. See the slideshow below to see some of our Resistance Wire Bonding Testers.
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Resistance Meter
RM3542A
High-speed resistance meter ideal for automated lines; compatible with super-small electronic components • Testing source: DC • Fastest measurement time: 0.9 ms • Minimum integration time: 0.1 ms • Finest resolution: 0.1 μΩ
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Precision Resistance Meter
IC4
Precision digital resistance meter IS4 is intended for use in an upgraded version of the TEST-9110 installation quality control system and testing on-board cable networks. The IC4 module can also be successfully used in other control and measurement systems based on the open international VXI standard.
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Single-Phase Transformer Winding Resistance Meters
RMO-TD Series
Using the most advanced switch-mode technology available today, the RMO-TD series is ideal for winding resistance measurements of inductive objects. Transformer resistance meters and tap changer analyzers are perfect for testing:transformer windings (power transformers, distribution, autotransformers),all types of tap changers,generators,electrical motors,high-current busbar joints,cable splices,and welding joints.In addition, transformer demagnetization can also be done with all RMO-TD instruments.The RMO-TD series contains 3 models, with maximal test currents from 25 A (RMO25TD) to 60 A (RMO60TD).The three independent voltage sense channels enable testing of three windings in series. This enables measurements of winding resistance in every tap position of an on-load tap changer without discharging between the tests.All RMO-TD transformer resistance meters have a built-in tap changer control unit. It enables remote control of on-load tap changer (OLTC) directly from the device. In order to make the most out of this feature, DV-Win software is included which can be programmed to do everything automatically – running winding resistance tests and changing OLTC tap positions.The DV-Win software also enables control and observation of the test process, as well as saving and analyzing the results on a PC. It provides a test report, arranged in a selectable form as an Excel spreadsheet, PDF, Word, or ASCII format. Additionally, DV-Win measures and calculates the OLTC transition time, the ripple and the winding resistance for each tap changing operation. The software can also perform the calculations necessary for the “Heat Run” test.All results can be exported in the report format.
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Shoe Dielectric Resistance Tester
UI-FT07
Shoe Dielectric Resistance Tester, also named as shoe high voltage withstand tester, is used to test shoe sole and heel electrical insulation, to check shoe performance of voltage withstand and current leakage. It is to test safety shoe dielectric resistance ability (Electrical Hazard Testing) as mentioned in ASTM F2412.
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Security Testing
We protect your business from cyber attacksSecure online transactionsPrevent unauthorized accessMinimize the risk of data lossEnhance resistance to DoS attacks
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Salt Spray Testing
Salt Spray testing (Also known as Salt Fog testing) is often used for testing the corrosion resistance of metallic products, or for testing the corrosion resistant coating applied to metallic products, in order to verify that they will function properly when exposed to salt corrosion. This specific type of testing is used as a means to accelerate the salt corrosion exposure in order to gather data on the long or short term effects of salt corrosion on the product or coating material.
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Resistance Measuring Device According to DIN EN 61557-4 (VDE 0413-4)
PeakTech Prüf- und Messtechnik GmbH
An extremely robust milliohm 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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Pull tester with uplift kit and pulling plate
UPLIFT 2000
The Uplift portable tester was designed in conjunction with SPRI, for testing on the field the uplift resistance of adhesion. Easily test the attachment of the tile to underlayment and determine whether the uplift resistance performance meets the minimum wind load requirements.
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Decade Boxes
L C R
PGP Electronics Private Limited
PGP Electronics offers wide range of decade boxes for Inductance, Capacitance and Resistance. These decade boxes offer you a greater flexibility in attaining the required component value and are designed to withstand rugged operation.
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Winding Resistance Meter
TRM 104
TRM104 is a portable winding resistance meter, designed to work in live EHV switchyards. Winding resistance values of large transformers up to 500 MVA and rotating machines are directly displayed. The meter is protected against the back emf offered by large inductive winding. A back-lit 4 line LCD with a user-friendly menu sets up the instrument for the test. Winding resistances and safety messages are also shown on this display. It is possible to measure the resistance of two windings simultaneously.The meter contains a special power source for rapid stabilization of test results.
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5-Watt Broadband Transmitter
Loc3 5W
The 5-Watt broadband transmitter has selectable induction and direct connection frequencies from 98Hz to 200kHz, SD mode (Signal Direction), fault find and true resistance measurement up to 1 Mohm. The two inch by one-inch dot matrix display with LED backlight shows output current, connection type, volts, resistance, frequency, volume, battery condition and high voltage warnings.
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10-Watt Broadband Transmitter
Loc3 10W
The 10-Watt broadband transmitter has selectable induction and direct connection frequencies from 98Hz to 200kHz, SD mode (Signal Direction), fault find and true resistance measurement up to 1 Mohm. The two inch by one-inch dot matrix display with LED backlight shows output current, connection type, volts, resistance, frequency, volume, battery condition and high voltage warnings.
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Insulation Resistance Measurement
MD 10KVR
The digital insulation tester model MD-10KVR is Megabras' cutting edge insulation analyzer equipment and it is one of the most complete and sophisticated available in the international market. A powerful software allows for further analysis of tests results, including features such as graphical representation and automatic report generation. Its proven technology provides safe, reliable and accurate measurements of insulation resistances up to 10 TΩ, with 4 pre-selected test voltages, 500 V - 5 kV - 10 kV - 15 kV. Other test voltages may be selected in steps of 25 V, 100 V or 500 V.
