Transformer Oil Gas Analyser (TOGA)
Fully automated GC solution for dissolved gas analysis in transformer oil,
delivering reliable fault diagnostics with full ASTM D3612c compliance and high system uptime.
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High-Precision Transformer Oil Gas Analysis
Transformer oil plays a critical role in electrical insulation and cooling of power transformers. When electrical or thermal faults occur, the oil decomposes into characteristic gases that provide essential diagnostic information about fault type and severity. The GAS Transformer Oil Gas Analyser (TOGA) offers a fully automated and highly reliable solution for dissolved gas analysis (DGA) in transformer oil according to ASTM D3612 part c.
Using headspace sampling combined with proven gas chromatography, the TOGA accurately measures hydrogen, oxygen, nitrogen, methane, carbon monoxide, carbon dioxide, and hydrocarbons C₂-C₄. The system integrates a microTCD, methaniser, and FID, ensuring sensitive detection down to ppm and sub-ppm levels with excellent repeatability. Designed for unattended operation, the analyser delivers consistent performance, automated verification, and long-term reliability for routine transformer diagnostics.
Applications
- Supported method: ASTM D3612c
- Transformer Fault Diagnostics (DGA)
Identify electrical and thermal faults by analysing dissolved gases generated during oil degradation. - Preventive Maintenance Programs
Monitor transformer condition over time to detect early-stage faults and reduce unplanned outages. - Power Utility Asset Management
Support condition-based maintenance strategies with reliable, standardised transformer oil gas data. - Laboratory-Based Transformer Oil Testing
Perform routine or advanced dissolved gas analysis using fully automated headspace sampling.
Benefits
- Fully Automated Headspace Analysis
Closed-loop headspace injection prevents sample loss and ambient contamination, ensuring data integrity. - High Sensitivity and Accuracy
Low ppm detection limits for key fault gases using FID with methaniser and microTCD. - Automated Instrument Performance Verification
Optional calibration and verification kits enable repeatability checks and performance validation without third-party standards. - Robust, High-Uptime Design
Diaphragm valves and InstantConnect injector/detector technology ensure reliable 24/7 operation. - Analysis of C₃/C₄ hydrocarbons is included
Besides C₂ hydrocarbons, C₃/C₄ isomers are analysed as well.
Downloads – Transformer Oil Gas Analyser
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Transformer Oil Gas Analyser Datasheet
Explore full system specifications, chromatograms, detection limits, and sampling workflows for the TOGA Transformer Oil Gas Analyser – engineered for accurate and compliant dissolved gas analysis.