Miniature ceramic filter pore water pressure sensors, stainless steel structure, the use of micro-machined silicon diaphragm core components, high-precision integrated pressure-sensitive element resistance, the use of advanced production and packaging process miniaturization, were very exquisite miniature package, the product volume Small, compact, lightweight, durable, and has excellent static and dynamic characteristics, the series is particularly suitable for civil simulation, simulation using centrifuges are widely used in civil engineering, soil mechanics, seismic monitoring. Features: Measuring low-frequency vibration / displacement / speed range: about 0 ~ 40ɡ / 15mm / 0.5m / s output: mV nonlinear: about 1% (acceleration) Size: Φ13 × 12.5 (H) mm