• How to measure Hall current sensor? Sep 19, 2024
    Measurement method   1. The primary wire should be placed in the center of the sensor inner hole, and should not be placed off-center as much as possible;   2. The primary wire should be placed as completely as possible in the sensor inner hole, without leaving any gaps;   3. The current to be measured should be close to the standard rated value IPN of the sensor, and should not differ too much. If conditions are limited, there is only one sensor with a very high rated value, and the current value to be measured is much lower than the rated value. In order to improve the measurement accuracy, the primary wire can be wound a few more times to make it close to the rated value. For example, when a sensor with a rated value of 100A is used to measure a current of 10A, in order to improve the accuracy, the primary wire can be wound around the center of the sensor inner hole ten times (generally, NP=1; one turn in the inner hole, NP=2; ...; nine turns, NP=10, then NP×10A=100A is equal to the rated value of the sensor, thereby improving the accuracy); [2]   4. When the current value to be measured is IPN/10, it can still have a high accuracy at 25℃.   Product Features Whether the Hall sensor is an open-loop or closed-loop principle, the basic performance is not much different. The basic advantages are: fast response time, low temperature drift, high accuracy, small size, wide bandwidth, strong anti-interference ability, and strong overload capacity.   Hemei's main products include common mode inductors, electromagnetic shielding shells, power carrier signal coupling transformers, permalloy cores, silicon steel cores, switch mode power supplies, split core current transformers and other products.     The power supply CT device is the latest product developed by our company, which can be used for 100V-220kv AC transmission lines and can be used as a continuous and stable power supply device. Hemei also provides customers with personalized services such as OEM, ODM and OPM. We welcome sample orders to test and check the quality.

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