AST20HA Pressure Transducer

Brand: American Sensor Technologies Inc
AST Pressure Transducer, AST20HA
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AST20HA Pressure Transducer

Brand: American Sensor Technologies Inc
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The AST20HA is a digitally compensated precision pressure transducer / pressure transmitter that offers high performance over temperature. 

Krystal Bond™ Technology alone offers excellent non-linearity and non-repeatability performance. When it is combined with the advanced electronics, the AST20HA steps into its own league of high performance pressure sensing at an affordable price.
Features
  • Digital ASIC Compensation
  • Superb Temperature Performance
  • Real Time Thermal Compensation
  • Real Time Linearity Correction
  • Turndown Capability
  • Pressures up to 45,000 psi
  • ABS (American Bureau of Shipping) Approved

Specifications

Brand

Accuracy

  • < ± 0.1 % BFSL (< ± 0.2 % BFSL over 15,000 psi) - Non-Linearity, Hysteresis & Non-Repeatability

Applications

  • Aerospace
  • Hydraulic Applications
  • Hydrogen
  • Laboratories
  • Medical
  • Tests Stands

Approvals & Certifications

  • ABS

Burst Pressure

  • 5 times Rated Pressure or 50000 psi (344738 kPa, 3447.38 bar), whichever is less

Circuit Protection

  • EMI/RFI Protected

Compensated Temperature

  • 0° to 70° C (32° to 158° F)

Consumption

  • < 10 mA

Environmental Protection

  • IP66

Excitation Voltage

  • 10-30 Vdc

Frequency

  • 400 Hz - Sampling Rate

Operating Temperature

  • -40° to 85° C (-40° to 185° F)

Output

  • 0.5 - 4.5 V Ratiometric
  • 0-10 V
  • 4-20 mA

Output Load

  • 0 to 800 ohms at 10-28 Vdc
  • Minimum 5000 ohms at 0-10 V

Output Noise

  • < 1 mV RMS

Pressure Cycles

  • > 100 Million

Proof Pressure

  • 2 times Rated Pressure, Standard

Reverse Polarity Protection

  • Yes

Shock

  • 100 G, 11 milliseconds, 1/2 Sine

Span & Zero Adjustments

  • < ± 0.5 % of Full Scale - TC Zero & TC Span

Stability

  • ± 0.1 % of Full Scale for One Year

Storage Temperature

  • -50° to 125° C (-58° to 257° F)

Vibration

  • 10 G Peak, 20 to 2,000 Hz

Zero Offset

  • < ± 0.5 % of Full Scale

Documentation

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