Current Loops
See Also: Loop, HIL, Loop Testers
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Product
High Current Probes HCF56614B300G500
1029498
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The HCF56614B300G500 High Current Probes are technologically advanced tools designed to provide reliable battery contacting capabilities in a wide range of applications. Engineered to withstand extreme temperatures from -45°C to +200°C, these probes ensure performance durability in harsh environments. The probe's continuous current capacity reaches up to 40 A, making it suitable for high power applications, while maintaining a typical contact resistance of just 15 mOhm, which minimizes signal loss and enhances electrical efficiency.Moreover, the HCF56614B300G500 probes come with exemplary mechanical specifications, featuring a preload of 300 cN and a spring force of 500 cN, allowing for meticulous contact precision. With a nominal travel distance of 4.30 mm and a maximum travel of 6.40 mm, operators can expect exceptional pointing accuracy of ±0.10 mm. Crafted from superior materials including beryllium copper for the plunger and bronze for the barrel, both plated with gold, these probes are designed for extended life and performance. The thoughtful engineering ensures that every element, from the tip style diameter of 3.00 mm to the overall length of 36.10 mm, is tailored for optimal utility in demanding electrical environments.
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Product
Current Probe
LFR
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Power Electronic Measurments Ltd
The LFR is ideal for power quality applications. It has a small, predictable phase error, for power measurements at 45/65Hz. The wide bandwidth allows accurate measurement up to and even above the 400th harmonic.
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Product
Single Loop Controller
1160+
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The 1160+ controller is an evolved product from the West N6100. The product benefits from having more versatile features and user-friendly functionalities such as remote setpoint inputs, digital inputs, plug-in output modules, a customisable operator/HMI menu, jumperless and auto-hardware configuration, and 24VDC transmitter power supply.
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Product
Clamp type DC Current Sensor/for DC Leakage Current Measurements
DCZCT-18S
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MULTI MEASURING INSTRUMENTS Co., Ltd.
*Compact size, General purpose*DC leakage current measurements
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Product
Split Core Current Transformer
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Beijing GFUVE Electronics Co.,Ltd.
Have a "split" in the core that allows the CTs to open and be placed around the conductor without having to disconnect the conductor or disrupt the wiring.
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Product
Split type AC Current Transformer
CTF-400T
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MULTI MEASURING INSTRUMENTS Co., Ltd.
*1A output for metering application.*Wire stopper is equipped for the slipping protection.*The special connector is not necessary as the output terminals are provided.*Open circuit protection and nonflammable plastic material.
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Product
Programmable DC Current Source
Model 121
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The Model 121 programmable DC current source is a precision instrument suitable for bench-top use or panel-mounted operation in labs, test facilities, and manufacturing environments. It provides a low-noise, highly stable source of current up to 100 mA, with convenient manual selection through 13 pre-set output levels, each representing a ten-fold change in power when attached to a resistive load. A “user” setting allows the current output to be defined anywhere within the operating range of the unit, from 100 nA to 100 mA.
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Product
Active Loop Antenna
KH30935
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Beijing KeHuan Century EMC Technology Co,.LTD
KH30935 active loop antenna is used for adjusting, testing, measuring and other receivers. It has many advantages:1. The antenna coverage frequency is wide: 150KHz ~ 30MHz .2. The field strength value is measured according to the correction coefficient within the effective frequency range, which is convenient to use.3. The antenna has a small outer diameter and light weight, which is convenient for outdoor measurement.
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Product
Split type AC Current Transformer
CTF-100T
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MULTI MEASURING INSTRUMENTS Co., Ltd.
*1A output for metering application.*Wire stopper is equipped for the slipping protection.*The special connector is not necessary as the output terminals are provided.*Open circuit protection and nonflammable plastic material.
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Product
Precision Voltage and Current Sources
VI-700
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The VI-700 Voltage and Current Source is a versatile precision dialable or remotely programmable voltage and current source. Its three ranges provide up to 20 V full scale (200 V with the HV option), and down to 100 mV resolution; and 20 mA full scale down to 0.1mA resolution. Both voltage and current outputs are available simultaneously. The output is set by a range selector and thumbwheel switches in the LOCAL mode, or by a digital input at the rear panel. The REMOTE mode control can be a RS232 or IEEE-488 interface.
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Product
Clamp type DC Current Sensor/for DC Leakage Current Measurements
DCZCT-110S
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MULTI MEASURING INSTRUMENTS Co., Ltd.
*Compact size, General purpose*DC leakage current measurements
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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
High Current Conditioners
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IsoTek’s unique Direct Coupled Design system offers extremely low impedance high current clean power for the hardest of loads.
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Product
Through Hole type DC Current Sensor/for Load Current Measurements
MOHT-1500B Open loop method
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MULTI MEASURING INSTRUMENTS Co., Ltd.
*Hall effect measurement for DC/AC/Pulsed current.*For the use of UPS, batteries, switching power supply, DC motor drivers, etc.
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Product
DC Earth Leakage Current Measurement
DCZCT-11M
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MULTI MEASURING INSTRUMENTS Co., Ltd.
*DC Earth Leakage Current Measurement *Bipolar DC ±12V Power Supply*Output DC ±1.5V at DC 10mA *Isolated Housing Case based on UL94V-0*Through Hole PCB Mount Type, Exciting Current Method
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Product
Through Hole type DC Current Sensor/for DC Leakage Current Measurements
DCZCT-20MH
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MULTI MEASURING INSTRUMENTS Co., Ltd.
*DC earth fault measurement for solar power system*Least affection from the magnetization of core and temperature fluctuation*DC leakage current measurements*Convenient +5V single polarity power supply
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Product
High Current Probe Receptacle H340
1001698
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As a receptacle, H340 (item number 1001698) supports precise positioning of the compatible High Current Probe within the contacting system. As a Receptacle, H340 guides and positions the matching Contact Probe; depending on the design, the Receptacle can also provide electrical connection or insulation and supports controlled probe replacement during maintenance. When selecting H340, the matching probe family, installation dimensions and any required connection or insulation design should be considered together.
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Product
Primary Current Injection Testing
KAM
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This substation testing device is designed to grant high current output when needed in substation commissioning activities.
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Product
High Current Probes (Power Electronics) H566LA
1001827
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The High Current Probes (Power electronics) H566LA is an advanced tool designed for precision applications within power electronic systems. With a robust solder connection type, these probes ensure reliable measurements critical for high current usage in various electrical components. Their compact dimensions, including a total length of 33.50 mm and an outer diameter of 3.56 mm, make them ideal for tight spaces while maintaining effectiveness.
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Product
SpikeSafe DC Current Sources
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The Vektrex SpikeSafe DC Current Sources provide reliable drive for LED/laser diode reliability, IESNA LM-80 test, and other current-driven test applications. Models support currents from 500mA to 60A and compliance voltages from 50V to 400V. All models feature individual channel control, precise current, and high power density — typically 6.4kW-8kW.
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Product
High Current Probe/DMM
655
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Another great tool for all around electrical troubleshooting. The #655 is ideal for all high current applications, especially starting and charging diagnostics. The #655 can measure up to 1000 Amps AC or DC. Unit features built-in degrees F and C temperature readings.
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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
Current Transformer
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Nippen Electrical Instruments Co.
DIGITAL METERS NIPPEN electronic energy meters are panel mounting type innovative energy monitoring devices ,having state of the art electronic microcontroller circuitry for reliability and accuracy. They can be used for 1Ø / 3Ø balanced and unbalanced loads.
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Product
Current Meter
MTD32
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The mezzanine module (mezzanine) MTD32 is designed to measure instantaneous current values over 32 channels.
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Product
High Current Probes (Battery Contacting) H349M5KB
1024195
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The High Current Probes (Battery Contacting) H349M5KB is a highly specialized tool designed for precise and effective electrical testing. It features a robust design suited for high continuous currents of up to 100.00 A, ensuring reliability in demanding applications. The probe is constructed with meticulous attention to detail, including a 7.60 mm pitch which significantly enhances its usability in various settings. The compact dimensions—58.25 mm in total length and an outer diameter of 6.50 mm—make it easy to handle while ensuring compatibility with a variety of electronic components.
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Product
1000 Amp High Accuracy Current Probe
HA1000
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The HA1000 is our most accurate current probe. The HA1000 clamp-on current probe measures from 1 to 1000 amps AC.
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Product
High Current Probes (Power Electronics) HCF77312A300U300
1159667
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The High Current Probes (Power electronics) HCF77312A300U300 is designed for high-performance applications, ensuring reliable connectivity within demanding environments. With a robust design accommodating a temperature range from -45°C to +200°C, this basic contact probe is perfect for various power electronics tasks. It boasts a continuous current handling capability of up to 30 A, with a remarkably low typical contact resistance of 8 mOhm, contributing to efficient energy transfer.
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Product
Current Probe
PA-659
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*Maximum Current Value: +/- 150ADC, 100A RMS*1mA = 5mA, 50mA (switchable)*Rising Time: 0.7uS*Bandwidth: DC ~ 500kHz*Over Range Indicator*Battery, AC Power Supply Adaptor (free), dual usages
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Product
High Current Probe HCF56612B400G500
1029497
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The High Current Probes (Power electronics) model HCF56612B400G500, with order code 1029497, is an exemplary basic contact probe designed for high efficiency in various electrical applications. This probe's unique ability to operate at temperatures ranging from -45°C to +200°C makes it an ideal solution for demanding environments. Its basic contact probe design ensures reliable performance while maintaining excellent electrical specifications. With a continuous current rating of 40A and a typical contact resistance of just 15mOhm, this probe delivers outstanding performance in power electronics systems.
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Product
Integrated Current Sensors
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Current sensors have to be smaller, smarter, cheaper. LEM’s R&D is actively developing a range of ICS to reduce the footprint of the current sensing function and simplify the integration of current measurement in a wide range of applications in automotive, industrial, or residential.





























