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Insulation resistance testing category
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Advanced Testing Capabilities
Complete diagnostic modes, including Polarization Index (PI), Dielectric Absorption Ratio (DAR), Dielectric Discharge (DD), Step Voltage, and Ramp testing for comprehensive insulation assessment.
Seven selectable test voltages from 50V to 5000V, automatically determined based on equipment specifications, ensuring compliance with IEEE 43-2000 and IEC 60060 standards.
Industry-leading 0.5-second response time for rapid testing cycles, significantly improving work efficiency and enabling more tests per day.
Precision measurement accuracy within 0.1% at 50MΩ with guard terminal to minimize surface leakage current effects, ensuring reliable results even in challenging conditions.
Bluetooth 5.0 and Wi-Fi integration for real-time cloud data synchronization, remote monitoring, and seamless integration with PowerDB and maintenance management platforms.
Multiple safety layers, including automatic capacitive discharge, live circuit detection, high-voltage warning system, and operator protection mechanisms exceeding industry standards.
Solving Critical Testing Challenges
Applications of the Insulation Resistance Tester
Explore the key applications of transformer testing instruments, essential for ensuring reliability, efficiency, and safety in electrical systems.

Power Generation
Testing instrument transformers in power plants, renewable energy facilities, and distributed generation systems.

Transmission & Distribution
Comprehensive testing of substation CTs and VTs for grid reliability and protection system verification.

Industrial Facilities
Manufacturing plant electrical system testing, process industry monitoring, and energy management applications.

Railway Systems
Testing traction transformers and railway electrification systems for safe and reliable rail transport.

Laboratory Testing
Precision calibration and testing in electrical standards laboratories and certification facilities.

Commercial Buildings
Testing electrical systems in hospitals, data centers, and critical infrastructure facilities.
What Our Clients Say

The Qilida Insulation Tester has transformed our preventive maintenance program. The predictive analytics have helped us identify failing insulation 3-6 months before critical failure, saving us over $200,000 in avoided downtime this year alone. The data logging feature makes compliance reporting effortless.
Michael Chen
Maintenance Manager, Pacific Manufacturing Industries

As a small electrical contracting business, we needed professional-grade equipment without the premium price tag. Qilida delivered exactly that. The tester is incredibly intuitive—our technicians were proficient within hours. The lightweight design and long battery life make fieldwork so much easier.
Sarah Rodriguez
Owner, Rodriguez Electrical Services

The safety features on this tester give me peace of mind when my team works with high-voltage equipment. The automatic discharge function and live circuit detection have prevented several potentially dangerous situations. Plus, the training and support from Qilida have been outstanding.
David Kumar
Safety Director, Industrial Power Systems Inc.
Why Choose QilidaOver 15 years of transformer testing expertise with 10,000+ successful installations worldwide across 50+ countries.







