5-Point Traceable Calibration High Stable Wet/Dry Differential Pressure Transducers

The wet/dry transducers from OMEGA are rugged stainless steel transducers that are suitable for automotive, industrial, or aerospace applications where only a single side of the transducer is exposed to wet media. These transducers provide the excellent performance characteristics of the Micro-Machined Silicon Series Transducers at a lower price than the wet/wet models.

They can be used in filter monitoring, factory, test benches, air flow or pneumatic air, pitot tubes, air speed and other aerospace or industrial application requiring a very robust wet/dry transducer. The solid state silicon core offers long, reliable service life with superior long term stability.

  • Five-point traceable calibration
  • 316 L SS wetted parts on wet side– clean dry gases on dry side
  • Wide compensated temperature range
  • Low drift, high stability
  • Welded stainless steel construction
  • Premium temperature performance
  • Durable, one million cycle life
  • Precision micro-machined silicon core
  • Customized specifications available
  • Ruggedized with secondary containment
  • Also available with M12 connector (PX459)

Common Specifications

The common specifications of the wet/dry transducers are as follows:

  • Minimum resistance between transducer body and any wire: 100 MΩ
  • Long term stability (1-year): ±0.1% FS typical
  • Accuracy: 0.08% BSL linearity, repeatability and hysteresis combined
  • Compensated temperature range:
    • 10 in H2O to 5 psi: -17 to 85 °C (1 to 185 °F)
    • 15 to 1000 psi: -29 to 85 °C (-20 to 185 °F)
  • Pressure cycles: 1 million minimum
  • Operating temperature:
    • mV/V and 5 to 10 Vdc output: -45 to 121 °C (-49 to 250 °F)
    • mA output: -45 to 115 °C (-49 to 239 °F)
  • Response time: <1 ms
  • Thermal accuracy:
    % Span shift over compensated temperature range
    • 10 in H2O to 5 psi: Zero - ±1.00%; Span - ±1.00%
    • 15 to 1000 psi: Zero - ±0.50%; Span - ±0.50%
  • Bandwidth: DC to 1 kHz typical
  • Media compatibility:
    • Positive side: All fluids and gases compatible with 316L SS
    • Negative side: Dry, clean, non-ionic gases
  • Shock: 50 g, 11 ms, half-sine, vertical and horizontal axis
  • Pressure ports: ¼NPT male
  • CE complient: Meets EN61326-1: 2006 for industrial locations
  • Vibration: 5-2000-5 Hz 30 minute cycle, curve L Mil-Spec 810 figure 514-2-2, horizontal and vertical axis
  • Proof pressure (differential):
    • 10 in H2O range = 10 times range
    • 1 psi range = 6 times range
    • 2.5 to 750 psi ranges = 4 times range
    • 1000 psi range = 3 times range
  • Line/static pressure: 500 psi max applied to both sides simultaneously
  • Hi side containment pressure (differential):
    • Ranges 10 in H2O to 5 psi: to 1000 psi
    • Ranges 15 to 1000 psi: to 3000 psi
  • Weight: 200 g (7 oz) max
  • Electrical terminations:
    • PX409: 2 m (6') cable
    • PX409C: 2 m (6') cable with ½ NPT conduit thread
    • PX419: Mini-DIN (includes mating connector)
    • PX429: Twist-lock, mating connector (sold separately)
    • PX459: M12 connector, mating connector (sold separately)
    • Mating connector for PX429: PT06F10-6S

Uni-Directional mV/V Specifications

The uni-directional mV/V specifications of the wet/dry transducers are as follows:

  • Current draw: 5 mA @ 10 Vdc
  • Output: 10 mV/V ratiometric
  • Span setting:
    • Ranges ≤ 2.5 psi: ±1% typ (2% maximum)
    • Ranges > 2.5 psi: ±0.5% typ (1% maximum)
  • Supply voltage: 5 to 10 Vdc
  • Zero balance:
    • Ranges ≤ 2.5 psi: ±1% typ (2% maximum)
    • Ranges > 2.5 psi: ±0.5% typ (1% maximum)
  • Input impedance: 1000 to 5000 Ω
  • Output impedance: 5000 Ω ±10% typical

Uni-Directional Voltage Output Specifications

The uni-directional voltage output specifications of the wet/dry transducers are as follows:

  • Current draw: 10 mA max
  • Output impedance: 100 Ω
  • Output voltage/supply voltage: 0 to 5 Vdc/ 10 to 30 Vdc; 0 to 10 Vdc/15 to 30 Vdc (change "5V" to "10V" in model number)
  • Zero balance:
    • Ranges > 2.5 psi: ±0.5% typ (1% maximum)
    • Ranges ≤ 2.5 psi: ±1% typ (2% maximum)
  • Maximum current output: 2 mA (= 2500 Ω min load resistance)
  • Span setting:
    • Ranges > 2.5 psi: ±0.5% typ (1% maximum)
    • Ranges ≤ 2.5 psi: ±1% typ (2% maximum)

Uni-Directional mA Specifications

The uni-directional mA specifications of the wet/dry transducers are as follows:

  • Supply voltage: 9 to 30 Vdc; [9 to 20 Vdc above 105 °C (229 °F)]
  • Output: 4 to 20 mA
  • Zero balance:
    • Ranges > 2.5 psi: ±0.5% typ (1% maximum)
    • Ranges ≤ 2.5 psi: ±1% typ (2% maximum)
  • Maximum loop resistance: (Vs-9) x 50 Ω
  • Span setting:
    • Ranges > 2.5 psi: ±0.5% typ (1% maximum)
    • Ranges ≤ 2.5 psi: ±1% typ (2% maximum)

Four Termination Styles

The following are the four termination styles available with wet/dry transducers:

  • PX409 = 2 m (6ft) cable
  • PX419 = mini-DIN connector
  • PX429 = Twist-lock connector
  • PX459 = M12 connector

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