Freesor introduces closed-loop (magnetic) Hall current sensors, one of the top brands in the Chinese market, specializing in high-precision current measurement. With its advanced magnetic closed-loop technology, Freesor ensures excellent measurement accuracy and reliability, which is widely used in power monitoring, industrial automation and electrical equipment. Up-to-date pricing information will help customers make informed purchasing decisions and ensure the best value for money. By choosing Freesor sensors, you will enjoy the perfect combination of high performance and stability, ideal for optimizing system performance.
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| f | Frequency bandwidth(-3dB) | DC～200 | kHz |
| Ic | Current consumption | Vc=±18V 10+Is | mA |
| Io | Zerooffset current | TA=25℃ <±0.20 | mA |
| IOT | Thermal drift of I0 | Ip=0 TA=-25～+85℃ ≤±0.005 | mA/C |
| IP | Measuring range of primary current | 0~±150 | 0~±300 | 0~±375 | 0~±600 | A |
| IPN | Primary nominal input current | 50 | 100 | 125 | 200 | A |
| ISN | Secondary nominal output current | 50±0.5% | 50±0.5% | 125±0.5% | 100±0.5% | mA |
| KN | Conversion ratio | 1:100c | 1:2000 | 1:1000 | 1:2000 |
| RM | Measuring resistance(VC=±18V/Ip) | 0~100 | 0-68 | 0~15 | 0~12 | Q |
| RS | Secondary coil resistance(TA=25℃) | 30 | 45 | 30 | 45 | Ω |
| TA | Ambient operating temperature | -25～+85 | ℃ |
| Tr | Response time | <1 | μs |
| TS | Ambient storage temperature | -40～+100 | ℃ |
| VC | Supply voltage | ±12~±18(±5%) | V |
| Vd | Insulation voltage | 2.5KV RMS /50Hz/1 min between primary and secondary side circuits |
| X | Accuracy | ±0.5 | % |
| εL | Linearity | <0.1 | %FS |
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