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QDW90A-YG Strain Gauge Ported Pressure Transmitter with Hirschmann Connector

QDW90A-YG is a strain gauge ported pressure transmitter with a Hirschmann connector, designed for clean liquids, gases and hydraulic oil. Its center-ported pressure inlet and ≤2ms response support reliable pressure measurement in hydraulic and industrial systems.
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QDW90A-YG Strain Gauge Ported Pressure Transmitter

Installation-focused Design for Pressure Instrument

QDW90A-YG 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 feature is directly relevant to hydraulic system, industrial process and automation 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.

QDW90A-YG strain gauge ported pressure transmitter designed for hydraulic system installation

Pressure-port Design for Clean Process Media

QDW90A-YG is a pressure instrument designed around “Pressure-port Design for Clean Process Media.” Matches the measuring structure to the specified medium and operating conditions. The sensing principle and material arrangement are matched to the process medium and the applications stated in the source table. The feature is directly relevant to hydraulic system, industrial process and automation system projects. Match the medium and process conditions of hydraulic system applications, helping engineers keep the installation, inspection and signal path easier to manage during long-term operation.

Strain gauge pressure transmitter with center pressure port for clean hydraulic oil liquid and gas

Hirschmann Connector for Reliable Field Wiring

QDW90A-YG 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, industrial process and automation 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.

QDW90A-YG ported pressure transmitter with Hirschmann connector for reliable field wiring

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; maintains consistent accuracy under long-term pressure load

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

Natural Resonant Frequency:1kHz ~ 100kHz (increases with measuring range)

Output Ripple:≤10mV peak-to-peak

Pressure Shock Tolerance:150% F.S. instantaneous pressure shock; no permanent zero offset

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

Dimension Chart

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Wiring Diagram

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