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style="-webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: mp-quote, "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.034em; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="-webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 16px; letter-spacing: 1px; color: rgb(0, 0, 0); visibility: visible;">绝压表的测量范围通常是从******零压开始，即0 kPa，到其***大量程，例如0～100 kPa。</span><span style="-webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 16px; letter-spacing: 1px; color: rgb(0, 0, 0); font-weight: bold; visibility: visible;">这种设计使得绝压表能够测量低于大气压的压力，也就是所谓的负压或真空度</span></span><span style="-webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: mp-quote, "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.034em; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="-webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 16px; letter-spacing: 1px; color: rgb(0, 0, 0); font-weight: bold; visibility: visible;">。</span></span></p><p style="-webkit-tap-highlight-color: transparent; margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; text-wrap: wrap; background-color: rgb(255, 255, 255); line-height: 2em; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="-webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: mp-quote, "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.034em; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="-webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 16px; letter-spacing: 1px; color: rgb(0, 0, 0); visibility: visible;">然而，绝压表的测量原理是基于******零压作为参考点，</span><span style="-webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 16px; letter-spacing: 1px; color: rgb(0, 0, 0); font-weight: bold; visibility: visible;">因此它能够测量负压，但其测量范围是从0 kPa开始的</span><span style="-webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 16px; letter-spacing: 1px; color: rgb(0, 0, 0); visibility: visible;">，而不是从负值开始。这意味着，虽然绝压表可以测量低于大气压的压力（即负压），但其标称的测量范围是从0 kPa到***大量程，而不是从负值到正值。</span></span></p><p><section><section><p style="text-align:center"><img class="rich_pages wxw-img" src="https://mmbiz.qpic.cn/sz_mmbiz_png/RIXJvTzSgvLLDYwKxdkK6Ngy1AqPSteECDM3GsUt3chj2cJtCVQRLQT0eicabap6XOTwoAAibZxkBwE2J9rMpTIw/640?wx_fmt=png&from=appmsg&tp=wxpic&wxfrom=5&wx_lazy=1" alt="图片"/></p></section></section></p><p style="-webkit-tap-highlight-color: transparent; margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; text-wrap: wrap; background-color: rgb(255, 255, 255); line-height: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="-webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: mp-quote, "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.034em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="-webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 16px; letter-spacing: 1px; color: rgb(0, 0, 0);">在实际应用中，如果需要测量负压，通常会使用专门设计用于测量负压的设备，如负压传感器或真空表。这些设备通常具有负值测量能力，并且可以准确地测量低于大气压的压力值。</span></span></p><p style="-webkit-tap-highlight-color: transparent; margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; text-wrap: wrap; background-color: rgb(255, 255, 255); line-height: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="-webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: mp-quote, "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.034em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="-webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 16px; letter-spacing: 1px; color: rgb(0, 0, 0);">因此，虽然绝压表可以测量负压，但其标称的测量范围是0～100 kPa，不包括负值。如果需要测量负压，应选择专门设计用于负压测量的设备。</span></span></p><p style="text-align:center"><img src="/cn/upload/images/202507/17527127137278.jpg" title="17527127137278.jpg"/></p><p 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