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QDW90A-8-WY Explosion-Proof Temperature and Pressure Transmitter

An explosion-proof integrated temperature and pressure transmitter for continuous process-point measurement and centralized PLC/DCS monitoring in hazardous areas.
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QDW90A-8-WY Explosion-Proof Temperature Pressure Transmitter

QDW90A-8-WY intrinsically safe temperature pressure transmitter for hazardous area signal isolation

Intrinsically Safe Industrial Signal Isolation

QDW90A-8-WY is a temperature & pressure transmitter designed around “Intrinsically Safe Industrial Signal Isolation.” Separates the hazardous-area industrial signal loop from the safe-side control system. The isolated signal path separates the hazardous-area device from the safe-side control system and helps limit unwanted electrical interaction across the barrier. The feature is directly relevant to gas pipeline, chemical process and storage tank projects. Protect hazardous-area loops while keeping safe-side data stable, helping engineers keep the installation, inspection and signal path easier to manage during long-term operation.

QDW90A-8-WY temperature pressure transmitter for gas pipeline chemical process and storage tank monitoring

Reliable Temperature Measurement & Conversion

QDW90A-8-WY is a temperature & pressure transmitter designed around “Reliable Temperature Measurement & Conversion.” Provides dependable temperature measurement for industrial automation systems. The product is organized around this specific field requirement without adding unrelated functions to the measuring point. The feature is directly relevant to gas pipeline, chemical process and storage tank projects. Improve measurement clarity and maintenance efficiency in gas pipeline applications, helping engineers keep the installation, inspection and signal path easier to manage during long-term operation.

QDW90A-8-WY explosion-proof temperature pressure transmitter for fixed process equipment monitoring

Continuous Monitoring for Fixed Process Equipment

QDW90A-8-WY is a temperature & pressure transmitter designed around “Continuous Monitoring for Fixed Process 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 gas pipeline, chemical process and storage tank 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)


Temperature Response Time:≤300ms (T63 value)


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


Fault Alarm Output:3.6mA / 22mA user-selectable fault current

Dimension Chart

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Wiring Diagram

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Tel: +86-400-127-7889 / +86-561-3033839
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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