Pressure with 4-20mA Interface
  • Measures pressure
  • Designed with built-in transient protection
  • Includes reverse polarity protection

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Offering great noise immunity and transient protection, this industry standard 4-20 mA pressure transmitter is both rugged and accurate. Made from 316 stainless steel, fluoropolymer, and PTFE, it provides a secure housing and reliable readings.

Designed to resist data interferences, the PS98i is the smart choice for almost any site where you need to measure pressure or level—whether it be in a lake, a tank, or a well.


  • Industry standard, 2-wire, 4-20 mA configuration
  • Absolute or gauge
  • ± 0.25% FSO typical accuracy
  • Operates on low power
  • 316 stainless steel, fluoropolymer, PTFE construction (Titanium option available)
  • Available with a variety of cable options—polyethylene, polyurethane, or FEP
  • 1/4 NPT end cone adapter option
  • Narrow 0.75″ diameter, 8″ length

Interference Compensations & Resistance

  • Reverse polarity protection
  • Under- and over- current limitation
  • Built-in transient protection
  • Optional lightning protection available
  • Calibrated with patented calibration procedures and NIST traceable equipment


    • Pump and slug tests
    • River, stream and reservoir gauging
    • Stormwater runoff monitoring


  • Wetland monitoring
  • Well, tank and tidal levels
  • Flow monitoring
  • Water resource management
  • Landfill leachate levels
  • Control applications

Related Products

  • PS9800

    Pressure & Optional Temperature with 4-20mA Interface