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The AST4600 is an explosion-proof pressure transducer for pressures from 1 to 20,000 PSI.  This pressure transducer hold approvals and certifications for various hazardous locations.  The sensor technology allows for long term stability in high pressure cycle applications.  The AST4600 series features analog output signals such as 1-5V and 4-20mA.  The low current consumption voltage signals allow for longer system battery life in remote telemtry unit installations.  


  • Pressure from 1 to 20,000 PSI 
  • CSA approved for use in hazardous areas including: Class I Zone 1 Group IIC, Class I Div 1 Groups A, B, C, D Explosionproof, Class II Div 1 Groups E, F, G Dust Ignition-proof 
  •  ATEX / IECEx: Class I, Zone 1, Ex d IIC T5 Gb (Ta = -40°C to 85°C) 
  • ANSI/ISA- Certified “Single Seal” (no secondary seal required) 
  • ABS (American Bureau of Shipping) / DNV
  • All Stainless Steel Construction 
  • Rugged Design Withstands Harsh Environments 
  • Wide Operating Temperature 
  • Low Static and Thermal Errors
  • Suitable for High Shock and Vibration Applications 
  • Available in Exotic Alloys (Consult Factory for Inconel 718 or Hastelloy C276) 


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, 1/4 FNPT, 1/4 MBSPP, 1/4 MNPT, 7/16-20 UNF Male, 9/16-18 UNF Male 37°, F250C Female, G1/4 3852 Male

  • Electrical Connection  Conduit 2 ft Leads, Conduit 2m Leads, Conduit 4 ft Leads

Electrical Characteristics

  • Supply Voltage (V) 10 – 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, 1 – 6 V, 4 – 20 mA, 4 – 20 mA

  • Accuracy  ±0.25% FSO


  • Options  ASME B31.3 (CRN), Snubber

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