Combined power measuring device and voltage sampling method thereof
The invention provides a combined power measuring device and a voltage sampling method thereof, and belongs to the technical field of power measurement, the device comprises an open-ended clamp meter, the open-ended clamp meter is connected to a measuring circuit board, and the measuring circuit boa...
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| creator | OU LONG KIM CHAN WANG TAO CHEN XU XU YINZHE DING HAILI LOU RUI ZHANG XINRUI FAN BO ZHANG HAOMIAO YAN YU ZHANG LIHUA SU YINGCHUN CHENG ZHIQIANG LI WEI DOU SHENGXIA ZHANG CHAO |
| description | The invention provides a combined power measuring device and a voltage sampling method thereof, and belongs to the technical field of power measurement, the device comprises an open-ended clamp meter, the open-ended clamp meter is connected to a measuring circuit board, and the measuring circuit board is connected with the ground; a conductive soft sponge is arranged in a jaw of the clamp meter, the clamp meter is provided with a current lead and a voltage lead, two signals are sent to the circuit measuring board, the current lead comes from a jaw coil of the clamp meter, and the voltage lead is connected to the conductive sponge on the inner side of the jaw; the circuit board is provided with a micro-current amplifier with variable impedance, and the micro-current amplifier is connected with the conductive sponge on the inner side of the jaw; a measured current is sent to the circuit board through the clamp meter, and a measured voltage is coupled to the conductive sponge on the inner side of the jaw through |
| format | Patent |
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| language | chi ; eng |
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| subjects | MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING |
| title | Combined power measuring device and voltage sampling method thereof |
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