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QDW90A-YK Flush Diaphragm Pressure Transmitter

A zero-cavity flush-diaphragm pressure transmitter with hardened 316L stainless steel for clog-free, reliable measurement and easy Hirschmann-connected integration in hydraulic and industrial applications.
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QDW90A-YK Flush Diaphragm Pressure Transmitter

Installation-focused Design for Pressure Instrument

QDW90A-YK is a pressure instrument designed around “Installation-focused Design for Pressure Instrument.” 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 confirmed values highlighted here are 0.6–200MPa. The feature is directly relevant to hydraulic system, test bench and industrial process 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.

flush diaphragm pressure transmitter with compact installation and Hirschmann connector design

Flush Diaphragm Reduces Residue and Blockage

QDW90A-YK is a pressure instrument designed around “Flush Diaphragm Reduces Residue and Blockage.” Provides dependable industrial signal 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 hydraulic system, test bench and industrial process projects. Improve measurement clarity and maintenance efficiency in hydraulic system applications, helping engineers keep the installation, inspection and signal path easier to manage during long-term operation.

anti-clogging flush diaphragm pressure transmitter for hydraulic and industrial process measurement

Hirschmann Connector for Reliable Field Wiring

QDW90A-YK is a pressure instrument 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 hydraulic system, test bench and industrial process 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.

industrial pressure transmitter with Hirschmann connector for convenient field wiring and maintenance

Working Principle Diagram

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Technical Specifications

Zero Temperature Drift:±0.05% F.S./℃ (within compensated temperature range)

Sensitivity Temperature Drift:±0.05% F.S./℃ (within compensated temperature range)

Non-linearity Error:≤0.25% F.S. (calculated by Best Fit Straight Line, BFSL)

Repeatability Error:≤0.1% F.S.

Hysteresis Error:≤0.1% F.S.

Long-term Stability:≤0.3% F.S./year; no drift from medium scaling or diaphragm abrasion

Step Response Time:≤2ms (10% → 90% full scale output)

Natural Resonant Frequency:1kHz ~ 80kHz (increases with measuring range)

Output Ripple:≤10mV peak-to-peak

Particle Abrasion Resistance:Withstands continuous scouring of fine solid particles; hard diaphragm surface resists wear

Instantaneous Pressure Shock Tolerance:150% F.S. transient spike; no permanent zero offset or structural damage

Pressure Fatigue Life:≥10 million pressure cycles within rated range

Dimension Chart

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Wiring Diagram

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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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