Sputtered Thin Film Pressure Sensor

High-precision metal-based pressure-sensitive sensor with a 17-4 PH stainless steel substrate, designed for accurate and stable pressure measurement in demanding environments. Ideal for applications requiring high reliability, long-term stability, and excellent resistance to temperature variations.

Applications:

✔ Rail Transit – Ensures reliable pressure monitoring in railway systems.
✔ Construction Machinery – Withstands harsh conditions in heavy-duty equipment.
✔ Gasoline Direct Injection – Provides precise pressure measurement for fuel systems.
✔ Diesel High-Pressure Common Rail Direct Injection – Supports high-pressure fuel injection control.
✔ Pressure Transmitters & Testing Instruments – Suitable for industrial and laboratory testing applications.

Description

The PA351/PB251/PB351 Sputtered Thin Film Pressure Sensor utilizes advanced MEMS technology with a metal-based pressure-sensitive chip. Its strain resistance is directly applied to a 17-4 PH stainless steel substrate, allowing elastic deformation to generate an mV voltage signal linearly correlated with pressure.

Designed for OEM manufacturers and system integrators, this sensor ensures high precision, reliability, and stability. The adjustable mV output enables flexible signal processing for customized applications across multiple industries.

Features

✔ Advanced Sputtered Film Technology – Ensures exceptional long-term stability and high reliability.
✔ Wide Operating Temperature Range – Minimal temperature drift with excellent overload capacity for demanding environments.
✔ Integrated Structure – Suitable for various fluid media, ensuring consistent performance across applications.
✔ Corrosion-Resistant Stainless Steel – Constructed from 17-4 PH stainless steel for durability in harsh conditions.
✔ Compact & Versatile Design – Small size allows installation in tight spaces, making it ideal for precision applications.

Specification

Measuring range(MPa) PB251:6MPa~250MPa

PA351/PB351:0.5MPa~250MPa

Measuring medium Gases, liquids compatible with stainless steel
Pressure type Gauge pressure, absolute pressure
Accuracy PB251: ±0.2%F.S,±0.5%F.S ,±1%F.S

PA351/PB351: ±0.03%F.S, ±0.05%F.S, ±0.1%F.S, ±0.2%F.S, ±0.5%F.S, ±1%F.S

Working temp. -40~+105℃ or by customized
Long-term stability ±0.1%F.S/year,±0.2%F.S/year
Sensitivity 1.5±0.20mV/V, 1.7±0.20mV/V
Burst pressure 1000%~2000%F.S (the max is ≤400MPa)
Allowable overload 150%~200%F.S or by customized
Zero point temp. drift ±0.01%F.S/℃
Full range temp. drift ±0.03%F.S/℃
Response time ≤0.1ms
Material 17-4PH

Datasheet

PA351/PB251/PB351 Sputtered Thin Film Pressure Sensor Datasheet