Model 3492 4-20mA & Hart Compatible Control Units

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Rosemount Series 3490 Control Units provide control functionality for any 4-20 mA or HART® compatible transmitter.
  • Model 3492: Differential Control Unit
  • NEMA-4X Weatherproof wall mount enclosure for internal or external mounting
  • Accepts any HART compatible or 4-20 mA input
  • 5 voltage free SPDT relays for alarm & control duties
  • Local birght display of measured values
  • Pre-programmed w/tank shapes, flow algorithms & pump control routines
  • 20 point strapping table facility for non-standard applications
  • Power options: 115 ⁄ 230Vac or 24Vdc
  • Ambient temperature: -40 °F to + 131°F (-40 °C to +55 °C)