Transformer Oil Testing
IEC & ASTM Certified

Transformer Oil Testing Services

Comprehensive analysis for electrical safety and reliability

Professional Transformer Oil Analysis

Our laboratory carries out comprehensive testing of transformer oils to ensure optimal performance, safety, and longevity of electrical equipment.

We employ state-of-the-art analytical instruments and follow international standards including IEC, ASTM, IS, and BIS to deliver accurate and reliable results.

Transformer Oil Testing Laboratory

Comprehensive Testing Parameters

Complete analysis covering all critical aspects of transformer oil quality

Physical & Chemical Tests

Appearance & Colour
Density @ 27°C
Viscosity
Flash Point
Pour Point
Interfacial Tension (IFT)
Acidity (Neutralization Value)
Moisture Content (Karl Fischer)
Oxidation Stability
Sludge Content

Electrical Properties

Dielectric Breakdown Voltage (BDV)
Resistivity
Dissipation Factor / Tan Delta

Dissolved Gas Analysis (DGA)

Hydrogen (H₂)
Methane (CH₄)
Ethane (C₂H₆)
Ethylene (C₂H₄)
Acetylene (C₂H₂)
Carbon Monoxide (CO)
Carbon Dioxide (CO₂)

👉 Interpretation as per IEC 60599 & Rogers Ratio Method

Advanced Tests

Furan Analysis (insulating paper degradation)
PCB (Polychlorinated Biphenyls) Content
Particle Count (ISO 4406 Cleanliness Code)

Applications of Transformer Oil Testing

Power & Distribution Transformers

High Voltage Switchgear

Circuit Breakers

Capacitors & Electrical Equipment

Why Choose Petrolabs?

NABL-accredited transformer oil testing lab
Testing as per IEC, ASTM, IS, and BIS standards
Advanced analytical instruments: GC, Karl Fischer, Tan Delta Testers
Expertise in DGA interpretation & condition monitoring
Detailed test reports with predictive maintenance insights
Advanced Testing Equipment
Got Questions?

Frequently Asked Questions

Common questions about transformer oil testing

Transformer oil should be tested annually for routine checks, and more frequently for critical assets or older transformers.

BDV (Breakdown Voltage) testing measures the dielectric strength of transformer oil to ensure insulation reliability.

DGA detects fault gases generated inside transformers, helping predict faults like overheating, arcing, or insulation breakdown.

Yes, we test for Polychlorinated Biphenyls (PCBs) to ensure environmental and safety compliance.

Yes, our reports include DGA interpretation & condition monitoring recommendations.

Get Expert Analysis

Ensure Transformer Safety & Reliability

Ensure the safety, reliability, and efficiency of your transformers with our comprehensive oil testing services.

NABL-accredited laboratory
DGA interpretation included
Predictive maintenance insights
Call us directly7675043138
Email usinfo@petrolabs.com

Available Monday to Saturday, 9 AM - 6 PM