Self-calibration based high-precision intelligent instrument system and application method thereof
A technology of intelligent instrument and application method, which is applied in the direction of instruments, measuring devices, measuring electrical variables, etc., can solve the problems of no recording function, poor reliability, low efficiency, etc., achieve a good man-machine interface, eliminate inherent deviation, and simple operation convenient effect
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[0059]The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is carried out on the premise of the technical solution of the present invention, and detailed implementation and specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments.
[0060] Such as figure 1 As shown, a self-calibration-based high-precision smart meter system is used to detect and monitor power grid cables. The system includes a computer 16 and a smart meter, and the computer 16 is connected to a printing device. The smart meter includes:
[0061] The constant current source generating module provides direct current; the constant current generating module includes: power interface 1, which provides 220V alternating current; The gear unit 4, the range gear selection unit 5, the 24-bit A / D converter 8, the range comparison unit 9 and the processor 11...
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