Innovation for the last 25 years
Founded in Madrid in 1997 by Dr. Rafael Collantes—PhD in Electronic Engineering from ICAI and former researcher at the renowned Institute of Technological Research (I.I.T.)—CESINEL has built a legacy of innovation and excellence.
One of its most recognized milestones is the development of MEDCAL, a single-phase power quality analyzer that quickly gained international acclaim. Over the past 30 years, MEDCAL has become a global benchmark in its field, reinforcing CESINEL’s position as a world leader in power quality analysis.
All team members are senior engineers
High quality products
Shipping worldwide
Made in EU

Tailored Innovation for Unique Challenges
At CESINEL, we specialize in developing custom solutions for global industry leaders, creating bespoke electronic systems to meet the most specific and demanding requirements.
What makes us different?
We combine advanced technology with simplicity, ensuring our devices are powerful yet easy to use. With long-term reliability, seamless compatibility, and a customer-first approach, we deliver solutions that adapt to your needs—not the other way around.
Easy and Intuitive Use
Our equipment is designed to be extremely user-friendly, requiring no specific training to operate.
Simple Smart Technology
Advanced tools made easy—our software and devices offer powerful features with minimal complexity.
Long-Term Data Logging
Devices can record continuously for at least three months, making them ideal for extended monitoring.
Stable Power Connection
All systems run on AC power, ensuring uninterrupted performance without battery concerns.
Full Software Compatibility
All devices work seamlessly with CESINEL’s PC software, simplifying integration and usage.
Works with Existing Systems
Our solutions are designed to integrate smoothly with your current hardware and infrastructure.



