WBI224F21(4-20mA Hall Effect Sensor) uses the principle of electromagnetic induction and Hall effect to measure the AC and DC current in the power grid in real time. It uses average value conversion technology, precision constant current technology and linear temperature compensation technology to convert it into standard DC current (Iz) output.
Applications:
Suitable for the current measuring,
Automatic monitoring and control,
Electrical signal detection and modulation,
Data acquisition.
| Advantages of Hall Effect Sensor | ||
| Current Transformer | Hall Effect Sensor | |
| Functionality | Generally, only the AC current is enlarged or reduced according to a certain ratio. The functions are relatively single. | DC and AC can be fully compatible. It can measure AC and DC currents and output industry standard signals. |
| Safety | If the measured current suddenly increases, the induced current will often increase sharply, which will cause the collected instrument to burn out due to large current. | Generally resistant to 120% FS, even if there is a sudden large current, because the input and output are isolated from each other, the safety of the instrument can still be guaranteed. |
| How to choose hall effect sensor | |||||||||
| 1. Determine AC, DC or AC / DC. | |||||||||
| 2. Determine the detection current and voltage: 5mA-2000A; 100V-4000V, etc. | |||||||||
| 3. Determine the output signal: 0-5V, 0-10V, 1-5V, 1-10V, 4-20mA, 0-20mA, etc. | |||||||||
| 4. Confirm the auxiliary power: DC 12V, 24V, 9V-36V, 85V-265V (Default 24V power supply, special user specified). |
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Input: AC/DC 100A-300A;
Output: DC 4-20mA;
Auxiliary power supply: 12V or 24VDC;
Accuracy level: 1.0;
Frequency response: ±DC/20Hz~5kHz;
Response time: 300ms;
Quiescent current: 40mA;
Ambient temperature: -25 ° C ~ +70 ° C;
Temperature drift: 600 × 10-6 / °C.