Led by passionate experts Fast Reports Smart Sampling Led by passionate experts Prevent Failures. LEARN MORE Contact US Protect Your Transformers

Home

Laboratory accreditation

At TRU-FIL, we take pride in delivering accurate, reliable, and standards-compliant transformer oil testing services.Our laboratory is fully accredited and operates in accordance with national and international standards to ensure the highest level of quality and consistency in our test results.
READ MORE

TRU-FIL LTD

At TRU-FIL Ltd, Since 1986, we are dedicated to helping our clients protect and optimize their electrical infrastructure through high-quality transformer oil testing and condition monitoring services. With 39 years of experience in the power and energy sector, we provide accurate diagnostics, timely insights, and industry-certified testing that supports smarter, more reliable transformer maintenance.

39

Years Of Experience

We’ll Ensure You Always Get Best Results.

At TRU-FIL Ltd, our mission is simple: to provide the highest quality transformer oil testing and condition monitoring services to ensure your equipment stays in peak performance. With over 39 years of industry experience, we are dedicated to delivering results that not only meet but exceed your expectations.

We understand the importance of reliable power and the impact of unexpected failures. That’s why we combine state-of-the-art lab techniques, rigorous testing standards, and a customer-first approach to provide actionable insights for smarter, more reliable transformer maintenance.

  • Advanced Testing
  • Industry Expertise
  • Reliable Data
  • Customer-Centered Approach

Explore our Main Services

Tru-FIL Ltd offers reliable and accurate transformer oil testing services using state-of-the-art lab systems, barcode-based sampling, and real-time digital reporting — helping you protect your most valuable electrical assets.

VEIW MORE

What Speak People

Tru-FIL’s ability to test DGA, Furan, and Particle Count with precision has helped us extend the life of our power transformers. Their team is highly responsive and technically sound.

Industrial Client – Petrochemical Sector

Plant Electrical In-Charge
We’ve partnered with Tru-FIL for over 3 years now. From pre-commissioning tests to routine sampling, they’ve never missed a timeline. Their service quality is truly top-notch.

EPC Contractor – South India

Project Manager – Substation Division
Tru-FIL's sampling technicians are extremely professional and always on time. Their barcode-based tracking and vacuum-sealed bottles give us complete confidence in the accuracy of our transformer oil test reports

Power Distribution Utility – Gujarat

Chief Engineer – Operations
We had recurring issues with moisture in transformer oil at remote wind farms. Tru-FIL’s mobile app-based collection and AI-driven moisture reports helped us identify the root cause and prevent costly failures.

Wind Energy Operator – Maharashtra

Maintenance Head, Renewable Assets
Their 24/7 lab support and ERP-integrated reports allow us to make faster decisions. Tru-FIL’s transformer oil testing is reliable, detailed, and most importantly — transparent

State Electricity Board – Maharashtra

Technical Director, HV Testing Division

sample collection to report delivery at Tru-FIL Ltd

We are all the team experts and specialists of particular branches falls into
researches and diagnosis, ready to serve you at their best.

Smart Sample Collection

Digital equipment mapping & mobile app-based bottle scanning

Sealed & Tracked Bottles

Vacuum-sealed with unique barcode for 100% traceability

Advanced Laboratory Testing

AI-enabled ERP assigns IEC-compliant tests instantly

Instant Reports & Insights

Get real-time dashboards, alerts & downloadable reports
WHY TRU-FIL

See How We Solve Real-World Challenges

From early fault detection to AI-powered reporting, our work speaks for itself. Discover how our clients benefit from Tru-FIL’s trusted oil testing expertise.

We are trusted by World's leading companies

Our commitment to quality, speed, and transparency has earned us trust across industries. From utility providers to renewable energy giants — we deliver results that power progress.

Digital Sample Traceability Compliance

Precision Lab Testing Accuracy

We recommend testing transformer oil at least once every 6 to 12 months, depending on the criticality and load of the equipment. Regular testing helps detect early signs of faults, moisture, or insulation aging before failure occurs.

Our AI-powered ERP processes most reports within 24 to 48 hours of sample receipt at the lab. You’ll receive results via email and through your secure online dashboard — fast, accurate, and hassle-free.

Our sampling is fully digital and traceable. Each bottle is vacuum-sealed and tagged with a unique barcode, scanned using a mobile app linked to your equipment’s exact functional location — ensuring zero mix-ups and full tracking from site to lab.

Insights That Keep You Powered

Stay updated with expert tips, testing trends, and transformer health insights from the Tru-FIL technical team.