Kritester
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Kritester
Kingrun delivers advanced electrical test instruments for transformer diagnostics, winding resistance, turn ratio, insulating oil, partial discharge, and substation performance — trusted by engineers worldwide.
Explore ProductsPrecision measurements with accuracy down to 0.0001 for critical transformer diagnostics.
Lightweight, durable testers designed for on-site use in substations and power plants.
Complete solutions for transformer manufacturing, commissioning, and maintenance.
Kingrun Transformer Instrument Co., Ltd. is a leading manufacturer of high-precision electrical testing equipment based in Baoding, China. With over a decade of experience, we specialize in developing innovative solutions for transformer diagnostics and substation testing.
Our products are engineered for reliability, accuracy, and ease of use — serving power utilities, transformer manufacturers, and electrical contractors across Asia, Africa, the Middle East, and South America.
Explore our comprehensive line of transformer testing instruments, designed for accuracy, durability, and ease of use in the field and factory.
Engineered for precision, durability, and ease of use in the most demanding environments.
Advanced signal processing ensures measurement accuracy down to 0.0001, critical for compliance and diagnostics.
Field-ready testers with up to 72 hours of continuous operation on a single charge.
Shock-resistant casing, IP54 rating, and thermal stability for harsh field conditions.
Technical assistance, calibration, and training available worldwide.
A TTR test verifies the turns ratio between primary and secondary windings. Deviations indicate winding faults, tap changer issues, or core problems. Kingrun’s TTR testers provide accurate, phase-resolved measurements.
DC winding resistance testing detects loose connections, broken strands, and poor contacts. It’s essential for predictive maintenance and factory acceptance testing. Our testers offer high-current output for fast, stable readings.
Yes. Models like the JYR80100 deliver 100A for testing large HV/EHV transformers. Our 3-phase testers support simultaneous multi-winding analysis, reducing test time significantly.
Yes. Kingrun provides factory calibration certificates and recalibration services. All instruments are traceable to national standards.
Reach out for product inquiries, technical support, or custom solutions.
+86 18631228466
+86-0312-5959618
Building 2# Torch High-tech Park
Baoding City, China
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