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QDW90A-3051 High Accuracy HART Pressure Transmitter
QDW90A-3051 is a pressure transmitter designed around “High-accuracy Pressure Conversion.” Supports 0.075%, 0.1% for stable pressure measurement and system integration. The stated operating range, accuracy, response, overload or stability feature supports more dependable data under changing field conditions. The confirmed values highlighted here are 0.075%, 0.1%. The feature is directly relevant to chemical process, steam pipeline and pressure monitoring projects. Maintain clearer trend data during long-term industrial operation, helping engineers keep the installation, inspection and signal path easier to manage during long-term operation.
QDW90A-3051 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 feature is directly relevant to chemical process, steam pipeline and pressure monitoring projects. Improve measurement clarity and maintenance efficiency in chemical process applications, helping engineers keep the installation, inspection and signal path easier to manage during long-term operation.
QDW90A-3051 is a pressure transmitter designed around “Explosion-proof Smart Pressure Transmission.” Separates the hazardous-area pressure 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 confirmed values highlighted here are 4–20mA. The feature is directly relevant to chemical process, steam pipeline and pressure monitoring 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.
Zero Temperature Drift (within compensated range):±0.01% F.S./℃
Sensitivity Temperature Drift (within compensated range):±0.01% F.S./℃
Non-linearity Error:≤0.075% F.S. (calculated by Best Fit Straight Line, BFSL)
Repeatability Error:≤0.025% F.S.
Hysteresis Error:≤0.025% F.S.
Long-term Stability:≤±0.1% F.S./year; ≤±0.2% F.S. over 5 years
Range Turndown Ratio:10:1 standard; up to 100:1 via digital configuration
Zero Migration:Full positive and negative digital zero adjustment across the entire range
Damping Adjustment:0 ~ 32s software adjustable, 0.1s step
Step Response Time:≤100ms (without damping)
Output Ripple:≤5mV peak-to-peak
Output Short-circuit Protection:Continuous short-circuit tolerant; no permanent component damage
Reverse Polarity Protection:Full protection against reversed power wiring; no damage or reverse leakage
Dimension Chart
Wiring Diagram