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DeltaV™ RTD CHARM

Brand: DeltaV

A RTD Characterization Module (CHARM) designed for a RTD input.
Features
  • Eliminate marshalling and add I/O anywhere in the plant without affecting control room cabinets.
  • No marshalling cabinet or cross-wiring, fewer wires, much less work and fewer contact points for potential failures.
  • No marshalling cabinet or cross-wiring, fewer wires, much less work and fewer contact points for potential failures.

Specifications

Brand

Accuracy

  • See Full Data Sheet

Calibration

  • None Required

Charm Heat Dissipation

  • 0.30 W

Charm Power Req.

  • 22 mA Max. @ 24 Vdc

DC/50/60 Hz Common Mode Rejection

  • 90 dB Typical

Full Scale Signal Range

  • See Full Data Sheet

Isolation

  • Each Sensor Galvanically Isolated & Factory Tested to 1000 Vdc

Open Sensor Detection

  • Yes

Repeatability

  • 0.05 % of Span

Resolution

  • 24-bit A/D Converter / Depends Upon the Sensor Type

Sensor Configuration

  • 2-Wire, 3-Wire, or 4-Wire

Sensor Excitation Current

  • 0.5 mA in 2-Wire & 4-Wire Configurations, 0.25 mA in 3-Wire

Sensor Types

  • RTD Input - See Full Data Sheet
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