关键词：Type of pressure sensor,
| type | core principle | Main advantages | Typical application scenarios |
| piezoresistive | Resistance change (piezoresistive effect) | High precision, high sensitivity, fast response, small size, low cost | Widely used: industrial, automotive, medical, consumer electronics |
| capacitive | Change in capacitance | Low power consumption, good temperature stability, high sensitivity, strong overload | Low pressure, differential pressure, liquid level, medical respiratory equipment |
| Piezoelectric type | Charge generation (piezoelectric effect) | Extremely fast response, sturdy, and wide temperature range | Dynamic pressure, impact, explosion, engine, acoustics |
| Strain gauges | Resistance change (strain effect) | Mature and reliable, with a wide measurement range and strong output | Industrial weighing, hydraulic/pneumatic, structural testing |
| Resonant type | frequency variation | Extremely high precision, high resolution, long-term stability, digital output | Precision laboratory, aerospace, high-end industry |
| Optical type | Changes in optical characteristics | Anti electromagnetic interference, intrinsic safety, corrosion resistance, distributed | Oil wells, electricity, aerospace structures, strong EMI |
| MEMS | Mostly piezoresistive/capacitive | Miniaturization, low power consumption, low cost, high integration, and large-scale production | Consumer electronics, automotive tire pressure, medical catheters IoT |
