DC Current Sensor 4 to 20mA Output

WBI344U01-S (DC Current Sensor 4–20 mA Output) converts DC input current into a load-independent DC output signal of 0(4)–20 mA.

The DC Current Sensor 4–20 mA Output adopts the electromagnetic isolation principle for real-time measurement of DC current from a power grid or electrical circuit.

The generated magnetic flux is concentrated in the magnetic circuit by a high-quality magnetic core. The Hall element is fixed in a small air gap, where the magnetic flux is detected linearly. The Hall voltage output from the 4–20 mA DC current sensor is processed by a dedicated circuit. The secondary side then outputs a corresponding signal consistent with the primary-side waveform, accurately reflecting changes in the primary current.

Note:
Testing must be carried out under the following conditions:

Auxiliary power: 24V ±5%, ripple ≤5 mV
Ambient temperature: 25℃ ±5℃
Relative humidity: RH (45–75)%

Accuracy of the signal power source instrument: 0.05

Advantages:
High precision
High isolation
Low power consumption
Low drift
Wide temperature range
Strong anti-interference capability
Strong operational capability
Wide operating power range

Applications:
Current measurement
Automatic monitoring and control
Electrical signal monitoring and modulation
Data acquisition

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