Sensor temperature drift compensation method and pressure sensor box
A pressure sensor and temperature drift technology, applied in the direction of measuring fluid pressure, instruments, measuring devices, etc., can solve the problems of scattered sensor installation, inconvenient use, and low precision, and achieve simple structure, high measurement reliability, and overload resistance strong effect
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[0045] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments, please refer to Figure 1 to Figure 2 .
[0046] See Figure 1 to Figure 2 , A pressure sensor box, including a box body part and a circuit part. The box body part is composed of a pressure sensor 2 and an aviation plug 1. The circuit part is a compensation circuit composed of a MAX1452 chip and a peripheral circuit. The output signal of the pressure sensor The terminal is connected to the S+ port and the S- port of the compensation circuit, the power terminal is connected to the E+ and E- ports of the compensation circuit, and the aviation plug 1 is connected to the output terminal OUT of the compensation circuit, the communication line SDIO and the locking pin ULCK.
[0047] The number of the pressure sensor 2 is more than one, and the number of the compensation circuit is the same as the number of the pressure sensor 2.
[0048] The number of the pr...
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