High Accuracy Pressure Transducers, Micro-Machined Silicon Design

PX419 Gage and Absolute Pressure

High Accuracy Pressure Transducers with Mini-DIN termination
PX409, PX429 | PX419 Gage and Absolute Pressure

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  • FAST DELIVERY! Stock to 1-Week!
  • High Standard Accuracy ±0.08% BSL Includes Linearity, Hysteresis, and Repeatability
  • NEW! High Accuracy Options
    0.05% Accuracy Option, add Suffix "-EH", add $100
    0.03% Linearity Option, add Suffix "-XL", add $200
  • 5-Point NIST Traceable Calibration Included with All Models
  • 316 Stainless Steel Wetted Parts
    Welded Stainless Steel Case
  • Broad Temperature Compensated Range
    -29 to 85°C (-20 to 185°F)
  • Premium Temperature Performance Span: ±0.5% over Compensated Range
  • Now Available with M12 Connector, Order Model PX459
  • Low Pressure Ranges from 10 in-H2O
  • Absolute Pressure from 5 to 1000 psia
  • Fast Response Time
  • Solid State Reliability and Stability
  • Gage and Absolute Pressures
  • 300% Proof Pressure Minimum
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Omega's high accuracy piezoresistive pressure transducers have a proven record in high performance commercial and aerospace applications for over 25 years. The piezoresistive process uses strain gages molecularly embedded into a highly stable silicon wafer. The silicon wafer is diced into individual die which each contain a full strain gage bridge. The die is mounted in a sealed chamber protected from the environment by glass to metal seals and a stainless steel diaphragm.

A small volume of silicone oil transfers the pressure from the diaphragm to the strain bridge. The construction provides a very rugged transducer with exceptional accuracy, stability and thermal effects. A unique design ruggedizes the transducers by providing secondary fluid containment in the event of a diaphragm rupture.

At our state-of-the-art facilities, automated test equipment performs pressure and temperature cycling on 100% of the PX409 transducers. The transducers are then calibrated using extremely high accuracy equipment and a 5-point NIST traceable calibration certificate is included with each transducer. The inherent stability of the piezoresistive core provides excellent long term stability, repeatability and very low thermal effects at the price of much lower performance transducers. Standard features of the PX409 Series also include protective features built into the electronics and the pressure element. Reverse polarity, EMC, and power supply fluctuation protection are standard on all models. For Intrinsically Safe and CSA ratings see PX519.

The most popular ranges and configurations are stocked for immediate delivery. All others typically have very short lead-time.

See the Part Number Builder below the Place Order table.
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