All Products

IRF Current Sensing Probe

IRF Clip-on Flexible Coil Current Sensing Probe

IP65 Rated | Current Transformer Replacement | Interface with Existing Metering Circuits

The IRF current probes offer robust, flexible clip-on sensing coils, allowing for fast and safe installation. Ideal for current monitoring and retrospective fitting, these probes are designed to replace conventional current transformers (CTs) with optional 1A or 5A output, making them fully compatible with installed CT circuits. This innovative technology eliminates many CT-related safety concerns by generating safe low-level signals, even with no secondary burden or loading.

With frequency bandwidths ranging from 1Hz to 1MHz, the IRF probes are perfect for single and three-phase power systems, handling harmonics, distorted waveforms, and even PWM motor drive signals. For added functionality, the optional IRF-rms converter can provide a DC output, making the IRF probes ideal for control and system monitoring. Common applications include SCADA systems, PLCs, digital storage oscilloscopes, data loggers, power meters, and power analyzers.

Read More »
February 12, 2025

CTV Rogowski Current Transformer

CTV Current Sensors: Flexible Rogowski Coil with Voltage Outputs

The CTV Current Sensors are innovative, flexible ‘rope-type’ Rogowski coil current transformers designed to provide voltage outputs compatible with most transducers. These sensors are ideal for both single-phase and three-phase systems, offering a wide range of current measurement from 100A to 10,000A. The CTV sensors convert alternating current (AC) into an isolated 0-0.333V, 0-5V, or 0-10V output, making them compatible with existing metering circuits. Unlike conventional CTs, CTV sensors have no open-circuit hazards, making them perfect for retrospective metering projects, confined spaces, or installations that require minimal downtime.

Read More »
February 12, 2025

CTHR AC Current Sensors, AC Current Transducers, AC Current Probes

CTHR AC Current Sensors & Transducers: Instantaneous and RMS Sensing

The CTHR current transducers convert alternating current (AC) into an isolated voltage or current loop output, providing precise tracking of AC waveshapes. These transducers offer a faithful reproduction of the measured current, supporting a wide range of applications including process control, transportation, and telecommunications. The available input range of CTHR current transducers covers from 1A to 40,000Aac, and through-hole or split-core options allow for non-intrusive and easy installation.

Read More »
February 12, 2025

CTA3ph Flexible Current Transformer 0-5A output

CTA3ph Flexible Current Sensing Current Transformers

The CTA3ph Flexible Current Transformers are designed to provide fast installation in energy management, power monitoring, and current sensing applications. These transformers use advanced Rogowski Coil sensing technology, which allows for non-invasive installation without the need to move or reconfigure busbars or feeder cables. With a 0-5A output and a wide range of input capacities, these transformers are ideal for energy monitoring in confined spaces or installations where conventional current transformers (CTs) cannot be used.

Read More »
February 12, 2025

ATH Current Transducer for Current Sensing

ATH Current Transducer Range

The ATH current transducers are designed to convert DC or AC current into isolated voltage or current loop outputs, providing highly accurate measurements for a variety of industrial applications. With operational ranges from 100mA to 5A RMS AC or DC, the ATH series ensures reliable current sensing, making it suitable for energy metering, industrial control, AC/DC drives, and more. The transducers offer both instantaneous and true RMS conversion options, with fast response times and high accuracy.

Read More »
February 12, 2025

Geomagnetically Induced Currents Sensor

DC Current Sensor for Measuring Geomagnetically Induced Currents (GIC) in Electrical Grids and Distribution Networks

The CTH-GIC current sensor is designed to measure Geomagnetically Induced Currents (GICs) in electrical grids and distribution networks. It accurately detects DC currents in the presence of high AC levels, enabling reliable monitoring of GICs that can damage electrical distribution equipment. This non-contact, bidirectional sensor offers input/output isolation, making it ideal for grid applications and outdoor installations. Its split-core design allows for easy installation without interrupting the circuit.

Read More »
February 12, 2025

DCflex DC current probe

DCFlex: Portable Wrap-Around DC Current Probe for Large DC Currents (1000A-100,000A)

DCFlex: Portable Wrap-Around DC Current Probe for Large DC Currents (1000A-100,000A)

The DCFlex is a lightweight, portable, and easy-to-use DC current probe designed for the measurement of large DC currents in industrial applications such as plating, chemical processes, and aluminum smelting plants. With a clip-around split-core design, the DCFlex is ideal for measuring DC currents from 1000A to 100,000A without the need for system shutdowns or the installation of shunts.

This versatile probe is suitable for single-shot measurements and provides accuracy better than 1%, traceable to international standards. It is powered by either batteries or an AC adapter, and it includes a handheld LCD display, making it convenient and efficient for both short-term and long-term monitoring of large DC currents.

Read More »
February 12, 2025

DC Current Sensors, Transducers, & Probes

DC Current Sensors for Industrial, Automation, Rail Transport, Welders, DCS, and Electric Vehicles

Converting DC Current to Isolated Voltage or Current Loop with Optional Interfaces

The CTH DC current sensors offer precise measurement and conversion of DC current into isolated voltage or current loop outputs. These sensors provide instantaneous, accurate reproduction of the measured current, whether AC or DC. They are designed for a variety of applications, including electric vehicles, process control systems, welders, rail transport, DCS, and industrial automation. Available in through-hole or split-core options, the CTH sensors are non-intrusive and easy to install, covering a wide input range from 1A to 40,000Adc. With optional DC offset control to null residual DC currents and wide-range power input options, these sensors can seamlessly integrate into PLC, SCADA, transportation, and telecommunications systems.

Read More »
February 12, 2025

CTH Analog Summation Transducer

CTHsum Analog Summing Amplifiers / Summation Transducers

4-Channel Summation Transducers for 0-10V or 4-20mA Signals with Isolation Options

The CTHsum summing amplifier is a versatile and high-performance solution for summing analog signals such as voltage, current, energy, or power. It supports up to four input channels, allowing you to combine signals from multiple transducers or transmitters into one summation output. Ideal for applications where power or current summation is required, such as three-phase monitoring, plant consumption, or combining signals from multiple locations.

Read More »
February 12, 2025

I-Prober 520 Non Clamp Current Probe

Powertek I-Prober 520 Non-Clamp Current Probe

Isolated and Non-Intrusive High-Frequency Current Probe

The Powertek I-Prober 520 is a revolutionary non-contact and non-clamp current probe designed for fast, easy measurement of AC and DC currents in PCB tracks, component leads, and cables. Unlike traditional probes that require the conductor to pass through a magnetic loop, the I-Prober 520 works by placing the insulated tip directly onto a PCB track, allowing precise current measurement without cutting or interrupting circuits. It’s ideal for use in high-density PCBs and confined spaces.

Read More »
February 12, 2025

CMC Rogowski Current Probe

Powertek CMC Rogowski Current Probe for Bearing Spark Erosion Currents

High-Frequency Common Mode Current Probe for VSDs and Bearing Spark Erosion Detection

The CMC Rogowski Current Probe from Powertek is designed to measure high-frequency common mode currents in variable speed drives (VSDs), specifically targeting bearing spark erosion currents. These currents result from high-frequency voltages induced on the machine shaft due to capacitive coupling in VSD systems, which can lead to damaging discharges through motor bearings. Over time, these currents cause bearing erosion, resulting in premature motor failure, costly maintenance, and unplanned downtime.

The CMC probe is a flexible, clip-around current sensor that builds on Powertek’s successful CWT Rogowski sensor range. It enables engineers to detect and measure the presence of bearing spark erosion currents, giving them a reference point to evaluate mitigation measures.

Read More »
February 12, 2025

CWT Ultra-Miniature High Frequency Current Probe

Powertek PEM CWT ULTRA Miniature Current Probe

High-Frequency Rogowski Coil Current Sensor – Ideal for Tight Spaces

The CWT ULTRA Miniature Current Probes feature an exceptionally thin 1.7mm cross-section Rogowski Coil sensor, making them perfect for fitting between the legs of a TO-220 semiconductor switching device. Capable of measuring currents up to 30MHz, these probes are designed for monitoring steady-state currents, switching transients, and pulsed currents ranging from 300mA to 12000Apk in power electronics. The CWT ULTRA Miniature probe is a flexible, clip-around current probe based on the Rogowski principle, ensuring high-bandwidth measurement and accurate current-to-voltage conversion. It is compatible with oscilloscopes, transient recorders, data loggers, power meters, and analyzers.

Each probe is equipped with an 80mm clip-around coil, ensuring easy current monitoring even in spaces where access is limited.

Read More »
February 12, 2025