https://community.nxp.com/t5/Sensors/MPX4250A/m-p/1599289#M7261 <P>1: 就是说VOUT 跟压力值成正比例</P> <P>2：P1&gt;P2就是假如在空气中测试压力接到p1，p2就是空气</P> Wed, 15 Feb 2023 04:56:15 GMT guoweisun 2023-02-15T04:56:15Z https://community.nxp.com/t5/Sensors/MPX4250A/m-p/1599220#M7260 <P><FONT>第一个问题：请问下面这个计算公式如何理解？</FONT><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="875aa40e525664d8566b0cc51f06935.png" style="width: 999px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/210930iB4E1496934A61F8E/image-size/large?v=v2&amp;px=999" role="button" title="875aa40e525664d8566b0cc51f06935.png" alt="875aa40e525664d8566b0cc51f06935.png" /></span></P><P>第二个问题：请问下面P1-&gt;P2如何理解？</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="7a1c956f2d3eb445970c2f8d7f7654e.png" style="width: 999px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/210931iF180ACCF7398CDC1/image-size/large?v=v2&amp;px=999" role="button" title="7a1c956f2d3eb445970c2f8d7f7654e.png" alt="7a1c956f2d3eb445970c2f8d7f7654e.png" /></span></P> Tue, 03 Feb 2026 21:44:39 GMT https://community.nxp.com/t5/Sensors/MPX4250A/m-p/1599220#M7260 ChenArvin 2026-02-03T21:44:39Z https://community.nxp.com/t5/Sensors/MPX4250A/m-p/1599289#M7261 <P>1: 就是说VOUT 跟压力值成正比例</P> <P>2：P1&gt;P2就是假如在空气中测试压力接到p1，p2就是空气</P> Wed, 15 Feb 2023 04:56:15 GMT https://community.nxp.com/t5/Sensors/MPX4250A/m-p/1599289#M7261 guoweisun 2023-02-15T04:56:15Z