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密封表压 (PSIS)

密封表压 (PSIS) 解释

PSIS (Sealed Gauge Pressure) is a pressure measurement referenced to a fixed, sealed “atmospheric” pressure trapped inside the sensor at the factory, rather than being continuously vented to the current ambient atmosphere (as in PSIG).In plain terms:PSIA (Absolute): referenced to vacuum...

真空压力解释

“Vacuum pressure” is one of those terms that causes confusion because people use it in two different ways:Vacuum as a pressure regime (low absolute pressure inside a chamber)Vacuum as a gauge reading (pressure below atmospheric, shown as “negative gauge” or “inHg vacuum”)If you’re selecting a...

压阻式、电容式、压电式传感器

These three sensor principles are all used to measure pressure—but they behave very differently in the real world. The fastest way to choose correctly is to answer one question first:Do you need accurate “true static pressure” (DC), or do you need fast dynamic pressure (AC)?A...

压电传感器

Piezoresistive Sensors: Complete Guide for Pressure & Strain Measurement

Piezoresistive sensors convert mechanical stress/strain into an electrical resistance change. They are widely used in pressure sensors, load/force sensors, and MEMS devices because they’re compact, sensitive, easy to interface (bridge output), and scalable for mass production. A...

绝对压力与表压与差压

When engineers say “pressure,” the number is only half the story. The other half is the reference—what that pressure is measured against. That reference determines whether you need an absolute, gauge, or differential pressure sensor, and it’s one of the most common sources of wrong...

燃气门站:城市燃气管网的“大门”

A gas gate station (often called a city gate station) is the receiving facility where long-distance transmission natural gas enters a city or regional gas distribution system. If the transmission pipeline is the highway, the gate station is the toll gate + traffic control center—it...

感知每一个变化!文森科技压力传感器确保供气系统安全

When natural gas awakens from deep underground reservoirs or distant LNG terminals, it begins a long journey—spanning hundreds of kilometers, undergoing multiple pressure transformations. Throughout this journey, precision pressure monitoring and control play a vital role in ensuring the system's safety, stability, and efficiency.

Gas Supply Systems: A...

压力类型:压力传感器、压力表和系统规格的实用指南

Pressure type usually means what reference you measure against (absolute vs gauge vs differential, etc.). In engineering discussions, it can also include physical pressure concepts (static, dynamic, hydrostatic, vapor pressure…). This article covers both, so you can spec sensors correctly and avoid common field errors.

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