Module 02 — Live & Free

GC Analyzer
Training Simulator

Multi-level gas chromatograph analyzer simulator covering advanced fault diagnosis and full chromatogram interpretation. Designed for instrumentation technicians and process engineers working with online analytical equipment in the field.

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Module
02 · Analytical Instruments
Status
● Live
Format
Multi-Level Simulator
Levels
Level 4 & 5
Level
L4–L5 · Expert/Master
Access
Free
About This Module

The GC Analyzer Training Simulator puts technicians and engineers through realistic gas chromatograph fault scenarios in a completely safe, browser-based environment. No access to a real GC unit is required — the simulator replicates the decision-making process of diagnosing faults and interpreting chromatograms from actual field instruments.

Gas chromatographs are critical analytical instruments in petrochemical, refinery and natural gas processing facilities. Misdiagnosis of GC faults leads to costly downtime, inaccurate product quality data and potential safety risks. This simulator builds competency before technicians work on the real thing.

What You'll Learn
Identify common GC analyzer faults from symptom patterns — carrier gas issues, detector failures, column degradation
Interpret chromatogram peak shapes, retention times and baseline behaviour to diagnose instrument health
Apply a systematic fault-finding approach to GC problems under simulated time pressure
Distinguish between calibration errors, component failures and external process upsets affecting GC output
Build confidence for Level 4 and Level 5 competency assessments in industrial analyzer maintenance roles
Reduce first-time fault resolution time and minimise unnecessary call-outs to specialist vendors
Chromatogram Diagnostics
Peak Shape Analysis

Identify tailing, fronting, split peaks and ghost peaks — each indicates a specific fault in the column or injection system.

Retention Time Shifts

Unexpected changes in component retention time point to carrier gas flow issues, oven temperature drift or column degradation.

Baseline Behaviour

A noisy, drifting or elevated baseline often indicates detector contamination, electrical interference or carrier gas impurities.

Detector Response

Missing peaks, reduced sensitivity or saturated signals help diagnose TCD, FID or FPD detector faults in process GC units.

Level Structure
Level 4 — Fault Diagnosis
L4 · Advanced

Trainees are presented with fault symptoms and instrument readings. They must work through a structured diagnostic sequence to identify the root cause — without being given the answer. Scenarios reflect real plant conditions and common failure modes seen in the field.

Carrier Gas FailureColumn ContaminationSample ConditioningPressure RegulationValve Timing
Level 5 — Chromatogram Diagnosis
L5 · Master

The highest level. Trainees are shown a live-style chromatogram output and must diagnose what's wrong from the data alone — no textual clues. This mirrors the real-world task of an experienced GC technician interpreting raw instrument output during a plant upset.

Peak Shape FaultsBaseline NoiseMissing ComponentsRetention Time DriftDetector Saturation
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