Recommended Sensor Types for Different Operating Conditions‌

Dynamic Pressure Measurement (e.g., shock waves, high-frequency vibration)‌

Type‌: Piezoelectric pressure sensor

Advantages‌: Nanosecond-level dynamic response, suitable for high-frequency pressure changes (e.g., engine knock detection, aerodynamic shockwave analysis).

Technical Notes‌: Uses quartz or piezoelectric ceramic materials; static accuracy ±0.1% FS, but charge leakage may cause zero drift.

Static/Low-Frequency Pressure (e.g., hydraulic systems, industrial pipelines)‌

Type‌: Strain gauge pressure sensor

Advantages‌: High static accuracy (±0.03% FS), stable measurement via strain tube/membrane structures, compliant with JB/T 5493-1991 standard.

Applications‌: Hydraulic pump control, tank level monitoring, pressure range 0-2000 mbar.

Corrosive Media/Harsh Environments (e.g., chemical, deep-sea)‌

Type‌: Absolute pressure sensor (sealed vacuum reference)

Advantages‌: Absolute vacuum reference, corrosion-resistant materials (e.g., 316 stainless steel, Hastelloy), suitable for deep-sea (10MPa) or chemical processes.

Note‌: Choose models with temperature compensation for non-corrosive gases.

Consumer Electronics/Medical Devices (e.g., wearables, blood pressure monitors)‌

Type‌: MEMS barometric sensor

Advantages‌: Miniaturized, low-power, integrated temperature compensation, altitude accuracy ±1 meter.

Applications‌: Smartphone barometers, medical ventilator pressure monitoring.

Key Parameter Comparison‌

Type Dynamic Response Static Accuracy Environmental Adaptability Typical Error

Piezoelectric Nanosecond ±0.1% FS Charge leakage sensitive Significant thermal drift

Strain gauge kHz-level ±0.03% FS Vibration-resistant Low mechanical hysteresis

MEMS Millisecond ±0.5% FS Needs temperature compensation Weather-dependent

Special Conditions‌

High-temperature‌: Prioritize thin-film sensors to reduce thermal drift (<1% FS/℃).

High-vibration‌: Use compact unamplified sensors with EMI shielding.

Note: Contact Niko staff for specific technical consultation.