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QDW90A-4 Aviation Connector Pressure Transmitter
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 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 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
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
Wiring Diagram