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Product
Current Probe
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Beijing GFUVE Electronics Co.,Ltd.
Used to measure control currents for relays in electronic circuits and in evaluation testing of capacitors' current characteristics.
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Product
Secondary Current Injection Test Sets
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Our range of units covers applications up to 200A and includes single phase and three phase units with applications for testing and timing of IDMT relays, thermal overloads, MCB’s and auto-reclosers.
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Product
Inductive Sensors (eddy Current)
eddyNCDT
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Inductive sensors from Micro-Epsilon are based on the eddy current principle and designed for non-contact measurement of displacement, distance, position, oscillation and vibrations. They are particularly suitable when high precision is required in harsh industrial environments (pressure, dirt, temperature). Inductive sensors from Micro-Epsilon offer extremely precise measurements where sub-micron accuracy is required.
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Product
Leakage Current Monitor
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To alert utility-line workers of overcurrent conditions on such aerial devices as insulated ladders and truck booms, the Chance Sentinel sounds an alarm if leakage current reaches a pre-set level.
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Product
AC Current Transducer
iDVM 333
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The iDVM 333 AC Current Transducer plugs into the iDVM 510 multimeter and measures current (as AC millivolts) with no need to break the circuit. Special Introductory Price: $52.50FeaturesTransformer jaws that detect AC current flowing through a conductorSelectable sensitivity between 1mV/A and 10mV/AHand Guard to protect your hand for safetyLarge, easy-to-operate trigger opens the transformer jaws
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Product
Transformer Turns Ratio Tester
CXBC-901
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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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Product
Harmonic Mitigation Transformer
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A specialized three-phase transformer designed to reduce harmonic distortion and voltage distortion caused by non-linear loads (e.g., computers, VFDs) in electrical distribution systems.
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Product
AC Current Probes
CWT
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Power Electronic Measurments Ltd
The CWT Rogowski current probe is suitable for measuring AC currents ranging from 300 milliamps to hundreds of kA from below 0.1Hz to >30MHz.
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Product
Portable Power Source - Power Transformer and Charger Manufacturer
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JYUE LII INTERNATIONAL CO., LTD.
A&V power transformer supplies and manufactures certified portable power source and charger with industrial UL / cULus / CB / CE / TUV & ISO 9001:14001 certified electrical products and manufacturing facilities based in Taiwan. Portable Power Source Includes C Series, H Series, J Series, L Series, M Series, P Series, Q Series, W Series, Power Bank Series Portable Power Source
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Product
Primary Current Injection Testers
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Primary Current Injection Tester is designed for testing protective relay and circuit breakers and also testing the turns ratio of current transformers at high variable currents. A test current is injected into the primary side of a system to determine how the system behaves at particular levels of current. This test makes it possible to determine whether the relay will trip and how long the current needs to flow before the trip is initiated.
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Product
Through Hole Type AC Current Sensor
CTA-120A
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MULTI MEASURING INSTRUMENTS Co., Ltd.
*For AC current and power measurements.*High accuracy and compact size.*Wide measuring range:AC 1A~120A.
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Product
Current Probe
DCP-BTA
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Vernier Software & Technology, LLC
The Current Probe measures DC and low-frequency AC currents up to 600 mA. Use Current Probes in combination with Differential Voltage Probes to investigate Ohm's Law and explore series and parallel circuits. The 0.1 shunt resistor minimizes changes to your circuit. If currents will exceed 1 A, use the High Current Sensor.
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Product
Transformer Testing
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Haomai Electric Power Automation Co.,Ltd.
1)Test Standard:IEC60076 & IEEE C57.12.90 2)Voltage ratio measurement of transformer 3)Turns ratio measurement of transformer 4)Group vector measurement of transformer
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Product
Multiple Gas Transformer DGA
MULTITRANS
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The MULTITRANS is an 8-gas on-line transformer DGA monitoring unit designed to monitor a bank of three single-phase transformers in close proximity. Based on the same core technology as the highly successful TRANSFIX the MULTITRANS measures all significant fault gases (in ppm) as outlined by international standards as well as moisture in oil (%RH & ppm).
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Product
Transformer Performance Tester
JYW6100
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JYW6100 Transformer No-loads and On-loads tester power factor tester is suitable for loss testing of low power factory transformer such as amorphous alloy transformer, with high precision and data loc
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Product
Current Differential Relay
SEL-587
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Schweitzer Engineering Laboratories, Inc.
The SEL-587 Current Differential/Overcurrent Relay provides protection for any two-input apparatus, such as transformers, motors, generators, and reactors. Apply it for differential and overcurrent protection and use event reports for quick post-event analysis.
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Product
Single-Phase Transformer Winding Resistance Meters
RMO-TW Series
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RMO-TW series is perfect for winding resistance measurements of inductive objects. It is ideal for testing transformer windings (power transformers, distribution, autotransformers) and for on-load tap changer verification. In addition, any RMO-TW transformer ohmmeter & tap changer analyzer can also perform transformer demagnetization.The series contains 4 models, with maximal test currents from 10 A (RMO10TW) to 50 A (RMO50TW). They are fitted in a portable and lightweight metal housing.All transformer ohmmeters from RMO-TW series generate a true DC ripple-free current with automatically regulated measurement and discharging circuit. The injection of current and discharge of energy from the test object are automatically regulated.Three independent channels enable testing of three windings in series. Consequently, this enables measurements of winding resistance in every tap position of an on-load tap changer without discharging between the tests.DV-Win software 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. Finally, a user can export all results in the form of a report.
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Product
Multiple Gas Transformer DGA
TAPTRANS
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The TAPTRANS is an 8-gas on-line transformer DGA monitoring unit designed to monitor the transformer and OLTC (On-Load Tap-Changer). The TAPTRANS can individually measure the Main, Selector and Divertor tanks in one unit. The photo-acoustic detection system used by the TAPTRANS allows measurement of high and low gas levels without the need for extensive recalibration/cleaning.
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Product
Flexible Rope-Type Current Probe
RCT1A and RCT5A
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These probes have great bandwidth ensuring accurate measurement even with harmonically distorted wave shapes. For all RCT1A/RCT models, a NIST, NAVLAP, NPL (UKAS) factory traceable calibration certificate and certificate of conformance is supplied. UL/CSA approved materials are used throughout. Three phase and single phase flexible AC current sensors (rope sensors) are available for fast installation in confined spaces, eliminating the need for Electrical Supply Shutdown. Available outputs are 1A @ 2.5VA and 5A @ 0.5VA, this means long cable lengths from current sensor to signal conditioner allow these low VA ratings to be used, even when feeder cable to energy meter distances are large (up to 98 feet / 30 meters)
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Product
SMART Constant Current DC Load Banks
SLB-Series
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SMART Constant Current DC Load Banks are designed for acceptance testing, discharge testing, battery capacity testing, battery maintenance, engineering examination and other testing for DC power with load. The SMART technology allows a constant current discharge without the need for manual adjustment of current during the discharge test. Our SLB-Series load banks are portable, durable, economic, safe, easy-to-use and come complete with our DataView software, providing the user with a complete data management and analysis program.
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Product
Transformer Winding Resistance Meter
10A
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*10A DC continuous current in 4 ranges of 0.01A, 0.1A, 1A and 10A.*4 ½ digit display for higher resolution.*Dual channel measurement.*Suitable for operation in energized switchyard conditions.*Specialized protection circuits for suppression of inductive voltage kickback.*SMPS based - lightweight and portable.
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Product
Automatic Transformer Oil Test Set With Printer
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Oil Test is an equipment designed to test the dielectric strength of Insulating Oils as per relevant specifications vis. IS 6972. It is a useful equipment for Transformer / Switch Gear manufacturing units. Oil fettering agencies, repair shop and electrical maintenance departments.
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Product
MOTORIZED VARIABLE TRANSFORMER CONTROLLED POWER SUPPLY
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Motorized Variable Transformer Controlled Power Supply, P/N 18534PSInput: 460 VAC, 3 PH, 60 HzOutput: 0 to 250 VDC, 200 Amp max.Variable Transformer is used to vary the output. SCR controller is not used, as it generates harmonics.Input control is 0 to 3.6 VDC.Indoor enclosure.Output voltage and current feedback as 4/20 mA for PLC interface.All input/output connections are inside the enclosure
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Product
Logger version 2-D electro-magnetic current meter
INFINITY-EM AEM-USB
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Infinity EM is an autonomously deployable EM (electro-magnetic) current meter with a data logger. Due to the principle, the instrument provides high accurate 2-D current measurements in even low scatter fields, where ADVs (Acoustic Doppler Velocimeter) has difficulties. The measurement range is wide from 0 to ± 500 cm s-1. The instrument design is compact (1.0kg in air). Infinity EM allows for current velocity measurements virtually anywhere.
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Product
Digital Clamp Current Tester For High Voltage
HCL-36UX
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MULTI MEASURING INSTRUMENTS Co., Ltd.
・Display measurement value on your smartphone through blue-tooth connecting.・Measurement value can be kept in the our cloud server.・In addition to measured values, location registration by GPS, temperature, date and time can also be saved.
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Product
Arbitrary Current Generator Family
PXA(e)73xx
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The PXA(e)73xx ArbGen family features up to two simultaneously working channels with 100MS/s, 16Bit resolution and an output current up to 30mA in sink mode (at up to 30V) or ±20mA in combined source/sink mode (at up to ±10V).Every channel is equipped with 2MB memory. The whole amount of 1 million samples can be partitioned into one ore more waveform segments. Depending on the number of channels and the floating option, the Arbitrary Function Generators are built into a compact 3U PXI(e) device for 1 or 2 slots.
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Product
SparkFun Current Sensor Breakout
ACS723 (Low Current)
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The low current version of the SparkFun Current Sensor Breakout is a high accuracy board that utilizes the ACS723 for low to moderate AC and DC current sensing applications. The ACS723 sensor uses a Hall effect sensor to output a voltage relative to the current flowing through the IP+ and IP- pins on the board. The advantage of using a Hall effect sensor, specifically, is that the circuit being sensed and the circuit reading the sensor are electrically isolated meaning that, although your Arduino is running on 5V, the sensed circuit can be operating at higher DC or AC voltages!
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Product
Transformer Ratio Meters
Three Phase Transformer Ratio Meter Standard Series
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TRT is based on state-of-the-art technology, using the most advanced technique available today. The test equipment can be used to test both single-phase and three-phase transformers, both with and without tap changer in accordance with the requirements of IEC 60076-1.
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Product
High Current DC Transformerd
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High Current DC Transformer provides very accurate DC current measurements up to 3000 A with output current that varies directly with the input current in three ranges. This direct current transformer is designed with an open window to pass a single cable, set of cables, or buss bar that carry the direct current to be measured.
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Product
DC Leakage Current Monitor
MDLA-100
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MULTI MEASURING INSTRUMENTS Co., Ltd.
This DC Leakage Current Monitor constantly observes leakage current of DC circuit like as PV generation system, etc. and lights up the warning lamp with signal output, when the leakage current exceeds the setting value.





























