Electrical Instuments

Megger Tandelta DELTA 4000

Advanced Diagnostic Capabilities:

The Megger DELTA 4000 delivers precise measurements of insulation loss angle (tan δ), power factor, and capacitance, enabling reliable assessment of insulation health across a broad range of high-voltage equipment. It is ideally suited for testing power transformers, bushings, instrument transformers, cables, circuit breakers, and rotating machines. Designed for both field and laboratory applications, the DELTA 4000 supports early detection of insulation deterioration, helping to reduce unplanned outages and extend equipment life.

Easy-to-Use Interface:

Equipped with Megger’s intuitive control interface and user-friendly software, the DELTA 4000 simplifies complex insulation testing. Automated test routines, guided setup, and clear real-time result display allow technicians of all skill levels to perform accurate measurements efficiently and confidently.

High Accuracy and Reliability:

Built to Megger’s high engineering standards, the DELTA 4000 provides laboratory-grade accuracy even in challenging field environments. Advanced noise suppression, temperature compensation, and filtering technologies ensure stable and repeatable measurements, delivering dependable results regardless of electrical interference or environmental conditions.

Versatile Testing Applications:

The DELTA 4000 supports a wide range of applications including factory acceptance testing, commissioning, routine maintenance, and condition-based monitoring programs. It is suitable for both oil-filled and dry-type insulation systems, meeting the diagnostic requirements of modern high-voltage assets.

Portable and Field-Ready:

Designed for on-site use, the Megger DELTA 4000 is compact, rugged, and easy to transport. Its field-ready construction and integrated accessories enable fast setup and efficient testing in substations, plants, and remote locations.

Comprehensive Support:

When you rent the Megger Tan Delta DELTA 4000 from us, you receive full technical support from our experienced specialists. From system setup and test configuration to data interpretation and troubleshooting, we ensure smooth and reliable testing operations.

Preferred by Industry Experts:

Trusted globally by utilities, service providers, and industrial maintenance teams, the Megger DELTA 4000 is a proven solution for high-voltage insulation diagnostics. Its accuracy, repeatability, and robust design make it a preferred choice for professionals focused on asset reliability and long-term performance.

Key Features:

• Accurate measurement of tan delta, power factor, and capacitance

• Designed for testing transformers, bushings, CTs, PTs, cables, motors, and generators

• Automated test sequences with real-time data display and analysis

• Advanced safety features for secure high-voltage testing

• User-friendly Megger software for operation and professional reporting

• Compact, portable, and rugged design for field applications

• Reliable performance in high-noise and harsh environmental conditions

The Megger Tan Delta DELTA 4000 is a powerful diagnostic instrument designed for evaluating the insulation condition of high-voltage electrical assets. By accurately measuring dissipation factor (tan delta), power factor, and capacitance, the DELTA 4000 provides critical insight into insulation aging, moisture ingress, and contamination. Widely used in utilities, substations, power plants, and industrial environments, the DELTA 4000 is an essential solution for predictive maintenance and asset condition assessment.