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QDW90A-WY Compact Temperature and Pressure Transmitter
QDW90A-WY is a temperature & pressure transmitter designed around “Hirschmann Connector for Reliable Field Wiring.” 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 compressed air system, hydraulic system and cooling system 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-WY is a temperature & pressure transmitter designed around “Unified Temperature & Pressure Signals for Control Systems.” Converts the measured industrial signal into a standard signal for PLC, DCS or display instruments. The standardized signal path routes the measured value to PLCs, DCS platforms, displays or remote monitoring equipment. The feature is directly relevant to compressed air system, hydraulic system and cooling system projects. Connect field measurements directly to existing plc and monitoring systems, helping engineers keep the installation, inspection and signal path easier to manage during long-term operation.
QDW90A-WY is a temperature & pressure transmitter designed around “Reliable Long-term Monitoring on Fixed Equipment.” 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 compressed air system, hydraulic system and cooling system 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.
Working Principle Diagram
Pressure Long-term Stability:≤0.2% F.S. per year; minimal recalibration required for continuous operation
Temperature Long-term Stability:≤0.1℃ drift per year (Class A Pt1000 sensing element)
Pressure Overpressure Rating:2× full scale continuous safe overload; 3× full scale burst pressure
Temperature Sensing Element:Class A Pt1000 RTD
Pressure Response Time:≤100ms (damping off); follows rapid pressure changes without lag
Temperature Response Time:≤300ms (T63 value); fast thermal tracking of process temperature fluctuations
Adjustable Damping:0.1s ~ 10s software-adjustable for both channels
Non-linearity Error:Pressure: ≤±0.25% F.S. (BFSL); Temperature: ≤±0.2℃
Repeatability:Pressure: ≤0.1% F.S.; Temperature: ≤0.05℃
Temperature Compensation Range:-20℃ ~ +80℃ ambient; fully compensated for thermal zero and span drift
Dimension Chart
Wiring Diagram