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GE IS200VTCCH1

Product Name:​ Mark VI Thermocouple Input Module (VTCC)
Introduction:​ High‑accuracy thermocouple acquisition module for exhaust gas temperature (EGT) monitoring on gas turbines.
Technical Specifications:
  • Channels:​ 12 differential TC inputs
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Detailed content

  • Types:​ K default, software J/T/E/N/S/R/B
  • CJC:​ Internal precision sensor, auto cold‑junction comp
  • Accuracy:​ ±0.25 % reading ±1 °C
  • Scan Rate:​ ≥10 Hz
  • Open TC Detect:​ Yes
  • Temp:​ 0–60 °C
    Functional Features:
  • Per‑channel fault flag
  • High common‑mode rejection
  • Direct turbine exhaust harness mating
    Working Principle:​ Measures µV TC emf, compensates for terminal block temp, linearizes per NISTcurve, streams to controller.
    Structure:​ Shielded analog front‑end, 12‑bit+ ADC, terminal board mate.
    Installation:​ Use shielded twisted pair, ground shield at module end, avoid running parallel to ignition leads.
    Precautions:​ Mixed TC types require software reload; broken wire forces trip logic—test simulation before commissioning.

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