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QDW90A-SWY Dual Display Dual Output Temperature Pressure Transmitter for Process Monitoring

A dual-display, dual-output temperature and pressure transmitter enabling simultaneous local monitoring and independent PLC/DCS signal transmission for centralized process control.
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QDW90A-SWY Dual Display Temperature Pressure Transmitter

QDW90A-SWY(1)

Dual Display for Two Process Variables

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(2)

Independent Dual Outputs for Control Systems

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(3)

Installation-focused Design for Temperature Transmitter

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.

Technical Specifications

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

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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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