SPX 228X Series: 4–20 mA Pressure Transmitter

The SPX228X Series from Dynisco is an all-welded construction smart industrial 4–20 mA pressure transmitter specifically developed for use in dangerous locations.

The models come in PSIS, PSIA and PSIG configurations. Optional electrical terminations and pressure fittings are also available. The series comprises SPX2280, SPX2281, and SPX2282 models.


  • Provides an accuracy of +/− 0.25%
  • Offers 4–20 mA loop-powered output
  • Turndown 3:1
  • An extensive selection of pressure ranges is available
  • Can be remotely configured through HARTTM
  • Configurations are available for use in dangerous locations
  • Output is directly supplied to PLC or DSC
  • Accurate and repeatable pressure measurements
  • Fulfills CE requirements
  • Approved as CSA Explosion-Proof
  • Approved as FM Explosion-Proof
  • Approved as CE ATEX Intrinsically Safe
  • PL 'c' Certified (Relay output)
  • SIL 2 Certified (Pressure output)
  • More approvals are available

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