Last Updated： Aggregation Period:Jan 28, 2026～Feb 24, 2026
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Calculates the cumulative ampere-hours per second and helps identify energy usage patterns for effective savings.
Features ■ Self-powered ■ High-precision measurement with a maximum frequency of 3.3kHz ■ Real-time accumulated ampere-hour calculation ■ Non-invasive installation ■ Abnormal current state alert ■ External wire temperature sensor ■ Detachable and cable-free design ■ LoRaWAN wireless technology
Ideal for applications such as smart meter, motor, inverter control, and solar panel power conditioners【AAV004-02E】.
【AAV004-02E】 ● Direct current sensor using spin valve GMR manufactured by NVE Corporation, USA ● Frequency characteristics: DC to 1kHz ● Linear output of 0 to 5V with an error of ±0.5% from -5A to +5A ● Insulation between the current strap and the sensor withstands 300Vpk continuously ● The sensor's output is amplified, converted to AD (12-bit), processed, and then converted to DA for output ● Compact size and space-saving design due to the SOIC8 small package ● Ideal for current measurement in motor control, smart meters, solar panels, and industrial equipment 【AAV003-10E】 ● For small current detection ● On-chip current strap for precise operation ● Linear range: -80mA to +80mA ● Sensitivity: up to 2mV/mA ● AC or DC current measurement ● Ultra-small TDFN package
Calculates the cumulative ampere-hours per second and helps identify energy usage patterns for effective savings.
Features ■ Reports RMS current and cumulative current data on a per-minute basis ■ High-precision measurements with a maximum sampling frequency of 3.3kHz ■ Self-powered, requiring no batteries or external wiring ■ Real-time monitoring and rapid alarm response with sampling intervals of up to 1 second ■ Non-invasive clamp design allows for easy and safe installation without power interruption ■ Equipped with LED indicators to display operational status and alarms ■ Compatible with external wiring temperature sensors for cable temperature measurement ■ Achieves simultaneous detection of three phases with a wide detection range of 300A/500A/1000A ■ Compatible with standard LoRaWAN gateway and network server ■ Supports Milesight development platform ■ Supports wireless firmware updates (FUOTA) functionality
AC current sensor Precision measurement CTL-Z series
This is a small standard product for PC board mounting.
AC current sensor, split-type clamp sensor
This is a model for small wideband grounding line monitoring.
AC current sensor Precision measurement CTL-Z series
This is a small standard product for panel mounting.
AC current sensor Precision measurement CTL-Z series
This is a medium-sized series with a φ24 hole for output lead wire type.
AC current sensor Precision measurement CTL-Z series
It is a model for measurement without an amplifier, featuring a high transformation ratio and high output voltage.
AC current sensor Precision measurement CTL-Z series
This is the smallest model of the Z series for mounting on ultra-compact PC boards.
AC current sensor, split-type clamp sensor
This is a miniature model for power detection.
AC current sensor Precision measurement CTL-Z series
This is a medium-sized series with a φ12 hole suitable for both PC board and panel mounting.
![[Current Sensor Related] High Precision & High Performance Current Sensor S28 Series](https://image.mono.ipros.com/public/product/image/132/2000141981/IPROS2788752230543060863.JPG?w=280&h=280)
Solar/UPS, perfect for elevators! High precision & high performance current sensor.
Tamura Manufacturing's current sensors utilize proprietary technology to achieve high-speed response, low heat generation at high frequencies, high voltage dv, and stability against external magnetic fields, making them reliable for a wide range of applications. ● The S28S series features a high-current, high-precision servo type (500A) that is ideal for solar/UPS and elevators. ● It pursues high precision, high performance, and excellent cost performance. For more details, please contact us or download the catalog.
![[Current Sensor Related] S21S Series](https://image.mono.ipros.com/public/product/image/c9c/2000128263/IPROS2290407326325927876.jpg?w=280&h=280)
This is the "S21S" series of current sensor-related products. They can be used in inverters, motor control, UPS, and welding machines!
<Rohs Directive Compliant Products> The "S21S" series of current sensor-related products can be used in inverters, motor control, UPS, and welding machines. They feature a low-cost magnetic balance type/current output type, with a mounting structure that includes connectors, a primary conductor that is through-type, a rated current of 180A, and a power supply voltage of ±15V. The Hall current detector measures current non-contact by combining a magnetic core and a magnetic sensor (Hall element) that generates magnetic flux proportional to the current, resulting in no voltage drop for measurement, excellent insulation, and the ability to measure alternating current, direct current, and mixed currents, making it an ideal device. The magnetic flux generated proportional to the current If is concentrated by the iron core and passes through the Hall element inserted in the gap, outputting a voltage according to the Hall effect described by the formula Vh = k ・ Ic ・ B. For more details, please contact us or download the catalog.
Small drift segmented DC current sensor
- Compatible with ±15V control power supply - Output is 0±4V for direction detection - Insulation measurement possible - Integrated sensor and amplifier structure, split mounting type
Achieving high precision with magnetic technology! For applications such as vehicle BMS, junction boxes, and inverters.
We would like to introduce our "Magnetic Current Sensor." This sensor achieves non-contact current measurement using magnetic principles, with a measurement accuracy of less than 1% at full scale. It can be custom-designed in a busbar shape, and the current detection range is standardly available from ±400A to 800A. It can be used in applications such as automotive BMS, junction boxes, and inverters. Please feel free to contact us for evaluation samples or any questions regarding the product. 【Features】 ■ Excellent accuracy and low current consumption ■ Low noise: 0.27mVpp ■ Low current consumption: 6mA ■ Low magnetic residual error: 2mV ■ Built-in offset gain correction function *For more details, please refer to the PDF materials or feel free to contact us.
AC current sensor, split-type clamp sensor
This is a super compact model for current data collection.
AC current sensor, split-type clamp sensor
This is a medium-sized model for current data collection.
AC current sensor, split-type clamp sensor
This is a super compact model for current data collection.
![[Electronic Components] Servo-type Current Sensor S29 Series ≪Supports 1000A≫](https://image.mono.ipros.com/public/product/image/4a7/2000159133/IPROS1983078214525226506.png?w=280&h=280)
Ideal for large UPS systems and renewable energy systems!! High-precision servo-type sensor compatible with large currents.
The Tamura Manufacturing Company's current sensor "S29 Series" is a high-performance current sensor with a magnetic balance method that supports large currents and features a multi-structure that can be mounted horizontally or vertically, offering excellent cost performance. It is ideal for large-capacity UPS systems and general-purpose inverters, rated for 1000A. 【Main Features】 ■ Ideal for large-capacity UPS systems and general-purpose inverters ■ Supports large currents, multi-structure that can be mounted horizontally or vertically ■ Maximum measurable current: 2100A (RL ≦ 4Ω), rated current: 1000A ■ Bolt-tightened secondary CN (3 types) S29S1T0D24Z : MOLEX/39-28-8040, Sn-plated S29S1T0D24ZM : MOLEX/38-00-6293, Sn-plated S29S1T0D24ZJ : JST/BH3P-VH-1, Sn-plated ■ Through-hole dimensions: φ38.5
Performance of current sensors for accident detection! Sensors compatible with the shield grounding wire of power cables.
The "AC Current Sensor" from Miwa Electric is a current sensor designed for the shield grounding wire of power cables. It has over 20 years of proven performance as a current sensor for accident detection. It is suitable for detecting abnormal signs and partial discharges in power cables. It has excellent environmental resistance and can withstand long-term use with 3G-level accuracy. 【Features】 ■ Current sensor compatible with the shield grounding wire of power cables ■ Proven performance as a current sensor for accident detection ■ Well-suited for detecting abnormal signs and partial discharges in power cables ■ Excellent environmental resistance ■ Can withstand long-term use with 3G-level accuracy *For more details, please refer to the PDF document or feel free to contact us.
A current sensor that can be easily attached and detached from the electric wire with a one-touch mechanism.
The "Compact Current Sensor" is designed to be small, thin, and lightweight, achieving space-saving installation. It can be held in place where it is attached to the wire and can be easily installed and removed with a single touch. It can be used in combination with measuring instruments to measure the power consumption of electrical devices. 【Features】 ■ Compact, thin, and lightweight ■ Achieves space-saving installation ■ Can be easily attached and removed from the wire with a single touch ■ Can be held in place where it is attached to the wire *For more details, please refer to the related link page or feel free to contact us.
A current sensor that converts and outputs alternating current to a linear DC voltage (0-10V) / current (4-20mA)!
The "Current Sensor Transducer" is a sensor that combines a current transformer (CT) and a signal converter (transducer) into one unit. This single sensor outputs the load current as a DC signal, making it easy to monitor the status of fans, pumps, and other equipment. The current range can be selected via a switch, and a variety of models are available to meet diverse needs. 【Features】 1. Integrated current transformer (CT) and signal converter 2. Current range selectable via switch 3. Various models available to meet diverse needs 4. Compact design allows for installation in existing equipment 5. Ideal for monitoring load trends and controlling motors *For more detailed specifications, please download the catalog or contact us directly. ★We are currently seeking sales agents. Please feel free to contact us!★
Simply install this module on the target device to utilize it as a current sensor module!
The FN-CPT-BMEMD is a module that transmits data from connected sensors without using batteries or commercial power sources. It generates its own driving power from very small alternating current sources, such as magnetic fields generated by cables and vibration power generation, and sends sensing data to higher-level systems via Bluetooth. Therefore, by simply attaching this module to the target device, it can be utilized as a current sensor module. Additionally, by clipping to a power source, it can harness weak direct current power, enabling it to supply power to IoT devices and sensors that operate with low power consumption.
New product! Compact and lightweight servo-type DC low current sensor & compact clamp-type AC current sensor.
Our company, which has developed around 600 types of current sensors, is introducing new products! ■ The 'DCS-20-AS Series' is a compact and lightweight servo-type DC low current sensor. It can measure minute DC currents with high precision and non-contact. ■ The 'CTU-8CLS (patented)' is a compactly designed current sensor with a clamp mechanism positioned inside the frame. It is ideal for measuring AC currents using vinyl insulated wires with an outer diameter of less than 8mm. More new products will be launched soon! Additionally, we have confirmed our participation in an exhibition. Please come and see the actual products! 【JECA FAIR 2014 - 62nd Electrical Industry Exhibition -】 Date: May 28 (Wed) - 30 (Fri), 2014 Venue: Intex Osaka (Booth No: 5-25) http://jecafair.jp/
AC current sensor Precision measurement CTL-Z series
This is the smallest model of the Z series for mounting on ultra-compact PC boards.
AC current sensor Precision measurement CTL-Z series
This is a medium-sized series with a φ24 hole for output lead wire type.
AC current sensor Precision measurement CTL-Z series
This is a medium-sized series with a φ12 hole for both PC board and panel mounting.
AC current sensor Precision measurement CTL-Z series
This is a medium-sized series with a φ12 hole for both PC board and panel mounting.
+5V single power supply driven, low drift split-type DC current sensor
- Compatible with +5V power supply - Output centered around 2.5V with ±2V (direction can be determined) - Insulation measurement possible - Integrated sensor and amplifier structure; split mounting type
