High current sensor - Weikewei - accuracy up to 0.5%
Rated primary side test current: 50A – 600A
Medium to low capacity models
Single power supply can also provide ± power supply products.
Main applications:Inverter, power supply equipment, CNC machine tools
| type | STK-50BS | STK-100BS | STK-200BS | STK-300BS | STK-600BS |
|---|---|---|---|---|---|
| Rated current [If] | ±50A | ±100A | ±200A | ±300A | ±600A |
| Saturation current [Is] | ±150A | ±300A | ±600A | ±900A | ±1100A |
| Linear limit | 0~± 150A | 0~± 300A | 0~± 600A | 0~± 900A | 0~± 600A |
| Rated output [Ph] | ±0.625V±1％ | ||||
| Static output [V0] | 2.5V±0.25V | ||||
| Output linearity | Within ± 0.1% | ||||
| response time | Within 10 μ s (the smaller of di/dt=100A/μ s or If/μ s) | ||||
| Reaction performance | Within 10% | ||||
| Hysteresis voltage range | Within 200mV | ||||
| Control power supply | ±5V±5％ | ||||
| Current consumption | Within 30mA | ||||
| working temperature | -40 ℃~+105 ℃ | ||||
| Storage temperature | -55 ℃~+125 ℃ | ||||
| Dielectric withstand voltage | 2500V AC 50/60Hz 1 minute | ||||
| insulation resistance | Not less than 500M Ω 500V DC | ||||
Note 1) The rated output shown is the rated output when there is no load.
Note 2) indicates that the residual voltage is the voltage after removing the hysteresis of the iron core.
Product diagram of high current sensor:
Usage Characteristics Description:
The main features and details are as follows. Each characteristic is specified to be applicable at an ambient temperature of 25 degrees Celsius and a specified control voltage (with an error of ± 1% or less). (The temperature characteristic only specifies the control voltage.)
1) Rated output refers to the output when the rated current is input to the main side
2) Static output refers to the output when the primary input is zero. This measurement is performed after demagnetization of the magnetic core (an AC current equivalent to the rated current is input to the primary side and gradually becomes zero)
3) Linearity refers to the error between the measured output values at rated current and 1/2 rated current input, as well as the estimated output voltage calculated from the output and residual output using the least squares method
4) Saturation current refers to the input current value where the output voltage deviates from the estimated output voltage by more than 10%
5) Linear limit refers to the range of input current values, where the output voltage is within 1% of the estimated output voltage
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