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QDW90A-SWY Dual Display Temperature Pressure Transmitter
QDW90A-SWY is a temperature transmitter designed around “Dual Display for Two Process Variables.” Displays the measured value directly at the process point for easier inspection and commissioning. The local display makes the live value and operating state easier to verify during commissioning, inspection and routine maintenance. The feature is directly relevant to hydraulic system, process pipeline and compressed air system projects. Check operating status directly without opening the control system, helping engineers keep the installation, inspection and signal path easier to manage during long-term operation.
QDW90A-SWY is a temperature transmitter designed around “Independent Dual Outputs for Control Systems.” Provides clear switching, alarm or relay functions for equipment control and interlocking. The alarm, relay, switching or control function turns the measured condition into a clear action for pumps, valves, warning devices or equipment interlocks. The feature is directly relevant to hydraulic system, process pipeline and compressed air system projects. Respond faster to abnormal conditions and equipment control demands, helping engineers keep the installation, inspection and signal path easier to manage during long-term operation.
QDW90A-SWY is a temperature transmitter designed around “Installation-focused Design for Temperature 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, process pipeline and compressed air 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.
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
Fault Alarm Output:3.6mA / 22mA user-selectable fault current; complies with NAMUR NE 43 standard