Discover cable mount high-accuracy open loop current sensors. Ideal for AC/DC currents in battery management & more

The HCSO-1W is a high-accuracy current sensor that is ideal for measuring AC and DC currents in battery management systems, industrial battery chargers and motor control applications.

Installing the sensor directly on the current-carrying conductor, without the need for additional hardware simplifies the installation process and reduces the risk of errors and downtime.

The HCSO-1W multirange transducer, is based on Hall effect technology and generates a ratiometric analog output voltage signal proportional to the current flowing through the conductor. The sensor is available in a variety of current ranges and features a cable-mounting option for easy installation.

It can measure currents from ±25 A to ±1000 A in cables with diameter section up to 22,5 mm The sensor is easy to install and calibrate, making it a cost-effective choice for OEMs and Tier 1 suppliers.

The HCSO-1W current transducer stands out for its high accuracy and long-term stability that help maintain precise current monitoring even under challenging environmental conditions. Its robust galvanic isolation safeguards downstream electronics and improves operational safety, making it especially valuable in industrial power converters and motor drives. With the ability to measure DC, AC, it adapts well to a range of power electronics applications, including renewable energy systems, traction, UPS systems, current measurement for BMS (SOC, SOH, SOF, etc…) and general-purpose power supplies. Compact and easy to integrate, the HCSO-1W delivers both top-notch performance and versatile use, instilling confidence in its long-term reliability.

Piher’s Current Transducers have TMR and Hall-Effect current sensing capabilities rated up to 4kA. They exhibit better than ±3% (hall-effect version) and ±1% (TMR version) accuracy. The advanced non-linear temperature compensation mechanisms these sensors possess ensure that their accuracy is not affected by external temperature fluctuations.  [Stock check]

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