Fast Fourier Transform
Fast Fourier Transform
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Universal Mount Transformer
UET105
UEi Test & Measurement Instruments
Universal Mount Control and Ringer transformer.
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Instrument Transformers Tester
TE30
Calmet Smart Calibration Devices
Electricity meters tester class 0.05 and 0.1. Three phase tester of current transformers and analyser of power network quality. It makes possible electricity meters testing on the site or in the laboratory.
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Automatic Three Phase Transformer Ratio Meter
ATRM PLUS
*Fully Automatic measurement.*Wide selection of Excitation Voltages of 10V, 40V, 100V, 230V & 250V from front panel.*4V Excitation voltage provided for CT measurements*Ratio range of up to 5000; direct display of measured ratio.*No conversions required.*Automatic Jumper selecting as per the vector*Diagram of Transformer.*Automatic testing of all 3 phases in 3 phase transformers*Without manual intervention.*Displays % deviation from a nominal ratio.*External storage facility using pen drive.*Internal storage up to 10000 readings.*Touch screen 7” Color TFT display with backlighting with*Resolution of 800 X 480.*Tap changer facility.*Computer interface using RS-232 or USB.*Windows Interface software provided for data transfer.*USB printer interface.*Four terminal measurements to reduce errors due to*Winding and lead resistance.*Auto print and storage facility.Fast measurements.
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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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High Frequency Current Transformers
Osborne High Frequency Current Transformers operate at frequencies higher than 50/60 Hertz. Their purpose is to reduce high frequency system currents to lower values that are appropriate for instrumentation and/or protection circuits. They have been designed to meet specified current ratios, and burden impedance at a specified transformation error. One area of unique Osborne expertise is in designing for phase shift when high frequency current transformers are to be used for power measuring applications.
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IULTCS Rubbing Fastness Tester
TF414
TESTEX Testing Equipment Systems Ltd.
Rubbing Fastness Tester, to determine the color fastness to rubbing. IULTCS Rubbing fastness Tester complies with ISO11640, EN 344, SATRA PM 173, etc. You can contact us if you have any problems when you do rubbing fastness test.
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Current Transformer
ST-100CT
Standard Electric Works Co., Ltd
● 1000/5A - 3000/5A● 10-15V A● Class 1● Insulation 600V
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Current Transformer
ST-3RCT
Standard Electric Works Co., Ltd
● Primary Current Rating (Amp) : 20~300
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Ultra Fast Line Sensors
µsprint
With an unparalleled scanning rate, the µsprint sensors are the ideal tool for quality and process control with high throughput rates and precise measurements. As a standalone solution for laboratories, with machine safety enclosure for industrial production environments, or as an OEM solution – the μsprint technology can be inegrated flexibly everywhere.
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Current Transformers
The Institute of Electrical and Electronic Engineers defines a current transformer (IEEE Std C57.13) as “a transformer intended to reproduce in its secondary circuit, in a definite and known proportion, the current of its primary circuit with the phase relations substantially preserved”. Its primary winding is connected in series with the conductor carrying the current to be measured or to be controlled and its secondary winding is connected to the measuring, protection or control devices. Osborne designs and manufactures current transformers which are used for instrumentation applications, others which are used for power system synchronizing applications and others which are used in protection circuit application. They have been designed to meet specified current ratios, burden impedance and transformation errors.
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ANSI Potential Transformer Burdens
The ANSI Potential Transformer Burden Model PB-96-ANSI is designed for loading the Voltage transformers during accuracy tests as per ANSI standard C57.13. The PB-96-ANSI is a dual input ANSI burden providing the inputs of both 120V & 69.3V. It can be used along with the ELTEL Automatic Instrument transformer Test Set. AITTS-98 to test VTs as per ANSI standards.
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Range Extension Transformer
• Range extension transformer to extend the capacitance range upto 2.6 micro Farad (ACTS-12K) and 2.4 micro Farad (CTS-12KSA)
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Variac Auto Transformers
We offer a wide range of Variac Auto Transformers, which are available on leading price in market.
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Auxiliary Current Transformers
Osborne Auxiliary Current Transformers are often used to reduce system currents to lower values appropriate for instrumentation and/or protection circuits. The Aux CT’s are designed for specific current ratios and burden impedance with a known transformation error. Osborne’s units are built for high performance and longevity in the most demanding environments.
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Super Fast Gang ISP Programmer
448Pro2
The Dataman 448Pro2 is a super fast PC based gang programmer with four independent 48-pin ZIF sockets, ISP capabilities and USB 2.0 connectivity • Up to 75% faster programming of high-capacity memory devices • Over 105,000 devices supported with new devices added monthly • Independent modules supporting concurrent programming • Intelligent pin drivers operate down to 1.8V so you'll be ready to program the full range of advanced low-voltage devices • Full ISP capabilities including JTAG compatibility • Hi-speed USB 2.0 connectivity • Easy to use software compatible with the latest operating systems including Windows 10 • Comprehensive 3 years parts and labor warranty • Free life-time software updates
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Partial Discharge Testing Of Transformer & Localization System
AE-150™
The is designed to detect and localize Partial Discharge activity by correlating acoustic and electric sensors' data. The AE-150™ has many acquisition modes, each used for detecting and locating Partial Discharge activity in a transformer. The AE-150™ unit is mounted on the transformer tank using its powerful magnets that also hold four acoustic sensors.
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Series Precision Fixed-Ratio Current Transformers
PMT25100
Power Measurement Technologies Inc.
Precision two-stage toroidal current transformers find application as the reference in determining the accuracy of instrumentation current transformers.
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Transformer DC Winding Resistance Tester
HTZZ-20A / 240
Wuhan Huatian Electric Power Automation Co., Ltd.
Measurement transformer around the group and large power inductor dc resistance ideal equipment.
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Current Transformer Testers
Vanguard Instruments Company, Inc.
Performs CT excitation, current-ratio, polarity, and phase angle testsMeasures insulation resistance and winding resistance of the CT seconday windingsMeasures the CT's secondary burdenTest record header information including company, substation name, circuit ID, manufacturer, CT serial number, operator name, and test record-commentsBuilt-in 4.5-inch wide thermal printerPlot Multiple Saturation CurvesStores up to 128 CT test plans and 140 test records internallyUSB, Bluetooth, and USB Flash drive interface
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Separating Transformers
Is a transformer in which the primary and secondary windings are galvanically/electri- cally separated with basic insulation. Isolating transformer: A separating transformer with a protective partition between the primary and secondary windings.
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Loading Transformer
CL-6
This readily portable Knopp Loading Transformer weighs only 60 pounds and measures 12″ long, 9″ wide, and 10″ high. Its sturdy enclosure provides protection and adequate ventilation. Two convenient carrying handles are provided. The insulating terminal panel is rigidly secured to the transformer frame, and heavy-current, bus-bar-type terminals are securely bolted to the panel. The two outpout terminals each have two connection surfaces, one on a vertical plane and one on a horizontal plane, for maximum convenience in connecting the heavy current leads and in changing, when necessary, the series-parallel links. The links and the output connections cannot interfere with each other. All terminals and connection links are plated
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Peripheral Level Transformer
The Peripheral Level Transformer (PLT) is an adapter module that increases the voltage of the analog inputs&outputs for easy communication with external devices. It is connected between the instrument and the periphery.
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Transformer Oil Acidity Testing Kit
NMC Brand Transformer Oil Acidity Testing Kit used to measure the Acidic content of Transformer Oil
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Ultra Fast Flexible Implantable Microprobe
IT-23
IT-23 Flexible Implantable Microprobe - For ultra fast measurements and for use on micro-size specimens. Time constant 0.005 seconds. Tissue Implantable with a 23 gauge needle (supplied). Fairly fragile. Sensor wires are twisted TFE Teflon™ insulated. Maximum Temperature 150°C. Isolated. Probe diameter .011", 3 foot lead.
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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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Current Transformer Analyzer/Tester
GF1061
Beijing GFUVE Electronics Co.,Ltd.
Portable CT PT analyzer is mainly used for field or lab testing, it can finish the measurements (M) and protection (P) class CT, PT and TYP class CT. Adopt 7 inch touch TFT LCD, self-equipped mini type printer supporting field printing; supporting to use USB flash disk to download data or RS232 port to PC control. This model GF1061 CT PT analyzer is the most complete and easy-to-use testing system for protection and metering CTs according to IEEE C57.13 and IEC60044 & IEC61869 standards.
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Transformer Heat Run Tester
1. Suitable for all transformers below 240MVA heat run test and winding resistance testing.2. Printing heat run data automatically.3. With double power supply, can test high voltage side and low voltage side simultaneously and test any operation respectively.4. With anti breakage protection function of inductive test items.
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High Quality Transformer Oil Dielectric Strength Tester
AS-023A
Chongqing Assen Power Equipment Co., Ltd
AS-023A Series High Quality Intelligent Transformer Oil Dielectric Strength Tester is specially designed for testing dielectric strength (Breakdown Voltage) of transformer oil. The breakdown voltage (dielectric strength) is one of the most important parameters of transformer oil, it is a rule of the voltage withstand. The value of breakdown voltage (dielectric strength) indicates whether the oil contains water, impurity and electric particles, and you’ll know the oil value via the breakdown voltage (dielectric strength).
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Transformer Polarity Checker
865
This instrument is used to check the correctness of polarity markings on transformers. In operation, the two leads carrying the test current are connected to one of the transformer windings. The other two leads from the indicating meter are connected to the other winding.
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