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QDW90A-4 Aviation Connector Pressure Transmitter for Hydraulic Systems

A compact stainless steel pressure transmitter with M16 aviation connector for quick, secure maintenance and reliable up to 60MPa measurement in hydraulic and industrial systems.
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QDW90A-4 Aviation Connector Pressure Transmitter

QDW90A-4(1)

Aviation Connector for Faster Equipment Maintenance

QDW90A-4 is a pressure transmitter designed around “Aviation Connector for Faster Equipment Maintenance.” The dedicated mechanical and connector structure simplifies installation, replacement and field maintenance. The dedicated mechanical, connector or mounting structure helps the instrument fit the intended pipe, tank, cabinet or equipment interface. The feature is directly relevant to hydraulic system, compressed air system and pressure monitoring projects. Shorten installation time and simplify later field maintenance, helping engineers keep the installation, inspection and signal path easier to manage during long-term operation.

QDW90A-4(2)

Installation-focused Design for Pressure Transmitter

QDW90A-4 is a pressure transmitter designed around “Installation-focused Design for Pressure Transmitter.” The dedicated mechanical and connector structure simplifies installation, replacement and field maintenance. The dedicated mechanical, connector or mounting structure helps the instrument fit the intended pipe, tank, cabinet or equipment interface. The feature is directly relevant to hydraulic system, compressed air system and pressure monitoring projects. Shorten installation time and simplify later field maintenance, helping engineers keep the installation, inspection and signal path easier to manage during long-term operation.

QDW90A-4(3)

Reliable Pressure Measurement & Conversion

QDW90A-4 is a pressure transmitter designed around “Reliable Pressure Measurement & Conversion.” Provides dependable pressure measurement for industrial automation systems. The product is organized around this specific field requirement without adding unrelated functions to the measuring point. The confirmed values highlighted here are 300%. The feature is directly relevant to hydraulic system, compressed air system and pressure monitoring projects. Improve measurement clarity and maintenance efficiency in hydraulic system applications, helping engineers keep the installation, inspection and signal path easier to manage during long-term operation.

Working Principle Diagram

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Technical Specifications

Standard Range Coverage:0–10 kPa / 0–100 kPa / 0–1 MPa / 0–2.5 MPa / 0–10 MPa / 0–40 MPa / 0–60 MPa


Overall Accuracy Class:Standard Class 0.2 ±0.2% FS; optional economy model Class 0.5 ±0.5% FS


Independent Nonlinearity Error:≤±0.1% FS


Hysteresis and Repeatability Errors:≤±0.05% FS


Temperature Drift Across the Full Temperature Range:≤±0.03% FS/°C (full compensation range: -20°C to 80°C)


Zero Point / Full-Scale Temperature Drift:≤±0.02% FS/°C


Step Response Time:≤10 ms (10%–90% full scale step); supports customized damping parameters for smooth output


Long-Term Stability:≤±0.2% FS/year


Standard Output Signal:4–20 mA two-wire; optional 0–5 V / 0–10 V three-wire, RS485 Modbus-RTU digital output

Dimension Chart

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Wiring Diagram

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Phone: +86-19715617532
Add: Building 14, University Science and Technology Park, Fenghuangshan Economic Development Zone, Xiangshan District, Huaibei City, Anhui Province

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