North Korean puzzle: Let the rumors fly again for a while Tags: topics for precision digital pressure gauge is mainly composed of sensors, circuit boards, power of three parts. Precision digital pressure gauge sensors: one, most manufacturers scales of measurement are using silicon piezoresistive sensors. 2, silicon piezoresistive sensor has good linearity, high precision, assembly and simple, the only drawback is affected by ambient temperature is relatively large. Precision digital pressure gauge circuit board: 1, circuit board microprocessor, data acquisition, sensor supply, storage, display, keyboard, and so on. 2, circuit board components for industrial scales of measurement grade devices. 3, data acquisition board with a portion of the drift effect, it will affect the digital pressure gauge performance. Precision digital scales of measurement pressure gauge battery power supply is generally relatively stable. Based on the above three parts, precision digital pressure gauge performance indicators meet the conventional scales of measurement indicators, mainly from the effects of temperature. So do the temperature compensation to ensure digital pressure gauge within a certain temperature range, performance indicators can still guaranteed to meet the user's needs.
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