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With a power supply as low as an 8VDC and low current consumption, the AST46DS can operate in remote areas with minimal power.  The re-zeroing function, allows for field calibration in a safe environment to further enhance well site or system readings. Pressure ranges are available up to 20,000 PSI; these explosion-proof pressure transducers and transmitters are designed for all common oil and gas pressures.  


  • Explosion Proof: Class I & II Division 1 / 2 Groups A, B, C, D, E, F, G 
  • Class III Division 1 & 2 
  • ATEX and IECEx Ex d IIC 
  • ANSI/ISA 12.27.01-2003 Single Seal
  • ABS (American Bureau of Shipping) Approved 
  • Display Units: PSI | Bar | kpa | Mpa | kg/cm2 | in WC | Volts | mA 


Please review product documents or contact us for the latest agency approval information.  

Product Type Features

  • Sensor Type  Explosion Proof Pressure Transducer

  • Type  Compound, Gage, Sealed

Configuration Features

  • Pressure Port/Fitting  1/2 MNPT

  • Electrical Connection  Terminal Blocks (1/2 FNPT Conduit Connections)

Electrical Characteristics

  • Supply Voltage (V) 8 – 28

Body Features

  • Port Material  17-4PH, 316L, Alloy 718, Alloy C276

Usage Conditions

  • Operating Temperature  -40 – 85 °C [ -40 – 185 °F ]


  • Overpressure  2X, Min

  • Pressure Range  0 – 1 to 20000 psi

  • Output/Span  1 – 5 V, 4 – 20 mA, 4 – 20 mA

  • Accuracy  ±0.25% FSO


  • Options  ASME B31.3 (CRN)

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