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Turbine Supervisory Instrumentation (TSI) Systems provide continuous on-line monitoring and machine protection for steam and gas turbine generator sets. The TSI system measures a variety of supervisory parameters to provide reliable machine condition information and alert to any machinery problems. STIís method of using a modular, distributive monitoring approach, coupled with utilizing existing plant networks where possible, result in an extremely cost-effective solution for monitoring a turbine generator set.

CMCP547 Transmitter for Differential Expansion: Differential expansion on a turbine is the relative Proximity Probe (Eddy Probe) measurement of the rotorís axial thermal growth with respect to the case.
CMCP548 Transmitter for Case Expansion: Case Expansion is the relation of the shell or case in relation to its foundation. Turbine generator sets are tied down at one end and allowed to thermally expand at the other. An LVDT is used to measure this thermal growth, which on large machines can be several inches.
CMCP549 Transmitter for Valve Position: Valve position is measured with a LVDT observing the cam shaft rotation. It is an indicator of turbine load when the machine is on-line.
CMCP585 Transmitter for Eccentricity: Eccentricity is the measurement of Rotor Bow at slow roll by a Proximity Probe (Eddy Probe). It may be caused by any or a combination of a fixed mechanical bow, misalignment, temporary thermal bow, or a gravity bow.
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LVDT for Case Expansion CMCP-LVDT-51A 2" LVDT With 1-6 VDC Output - 2.5mV/mil, +24 VDC

  • DC LVDT
  • 2" Range
  • 1 to 6 VDC Output
  • 2.5 mv/mil
  • Spring Loaded
  • Stainless Steel Enclosure
  • Excellent Replacement
  • Use with CMCP548 Transmitter
CMCP-LVDT Data Sheet


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Differential Expansion Transmitter/Monitor CMCP547 Differential Expansion Transmitter/Monitor

  • Proximity Probe In
  • Differential Expansion Out
  • Transmitter or Monitor
  • DC Detection
  • Towards/Away Selectable
  • 10, 25, 50 and 200mv/mil Input
  • 4-20 mA Output
  • 2 Buffered Outputs
  • 5 Selectable Ranges
  • Fault (OK) Detection
  • DIN Rail Mount


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Case Expansion Transmitter/Monitor CMCP548 Case Expansion Transmitter/Monitor for LVDT's

  • DC LVDT Input
  • Case Expansion Out
  • Transmitter or Monitor
  • DC Detection
  • Towards/Away Selectable
  • Up to 2" Range
  • 4-20 mA Output
  • 2 Buffered Outputs
  • Fault (OK) Detection
  • DIN Rail Mount
CMCP548 Data Sheet


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Valve Position Transmitter/Monitor CMCP549 Valve Position Transmitter/Monitor

  • LVDT or Rotary Potentiometer Input
  • Valve Position Output (0-100%)
  • Transmitter or Monitor
  • DC Detection
  • Towards/Away Selectable
  • 4-20 mA Output
  • 2 Buffered Outputs
  • 5 Selectable Ranges
  • Fault (OK) Detection
  • DIN Rail Mount


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Case Expansion Transmitter/Monitor CMCP585 Eccentricity Transmitter

  • Proximity Probe In
  • Eccentricity Output
  • Low Speed Response
  • Transmitter or Monitor
  • 200mv/mil Input
  • 4-20 mA Output
  • 2 Buffered Outputs
  • 5 Selectable Ranges
  • Fault (OK) Detection
  • DIN Rail Mount
CMCP585 Data Sheet


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