Transformer oil analysis
Transformer oil analysis has a minimal cost compared to that of a single transformer failure.
Transformers can self-destruct or fail if neglected for long periods of time. Regular transformer oil analysis helps identify problems that would otherwise go undetected.
In order to help our customers take early corrective action before a dangerous and costly unit failure occurs, our laboratories can offer the following oil analyses to determine:
- Operating parameters
- Stability characteristics
- Electrical insulation efficiency
- Health, safety, security and environmental concerns
The quality of the analysis is related to the quality of the sample extracted. We offer a wide range of services for transformer oil, including sampling kits and on-site services, analytical testing, data analysis and reporting, and advisory and consultancy services.
Analysis programme for transformers
Optimal equipment performance begins with constant testing and analysis of machine fluids.
Our routine testing capabilities are adapted to the requirements of most customers and equipment manufacturers and have proven their worth in practice. Additional parameters can be added on request. Please contact our technical service for the right choice.
The quality of the analysis is only as good as the quality of the samples taken. We offer various sample kits and on-site service for customers in the transformer oil sector, including analytical investigations, data evaluations and reports, as well as consultancy.
Scope of Transformer Oil Studies |
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Tests |
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| Color + Appearance |  |
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| Acidity | |
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| Water Content | |
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| Dielectric Loss Factor Tan δ | |
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| Dielectric Strength | |
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| Particle Count | |
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| DGA | |
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| Furanic Derivatives | |
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| Sample Volume | 1 l | 1 l | 50 ml syringe | 50 ml syringe | 1 l + syringe | 1 l + syringe |
| PCB | IEC 61619 | 50 ml | 7 days |
| Corrosive Sulfur | ASTM D1275B | 50 ml | 5 days |
| Corrosive Sulfur | IEC 62535 | 50 ml | 5 days |
| Flash Point | ISO 2719 | 50 ml | 3 days |
| Interfacial Tension IFT | ASTM D971 | 50 ml | 3 days |
| Viscosity at 40°C | ISO 3104 | 50 ml | 3 days |
| Inhibitor Content | IEC 60666 | 50 ml | 3 days |
| Loss Factor Dielectrics | IEC 61620 | 50 ml | 3 days |
| Passivator Irgamet 39 | IEC 60666 | 50 ml | 5 days |
| DBDS | IEC 62697-1 | 50 ml | 5 days |