ABOUT:
Sonel S.A. is a leading Polish manufacturer of electronic measuring instruments, power quality analyzers and other electrical safety testing equipment. Headquartered in Świdnica, Poland, the company designs and manufactures specialized diagnostic and measurement solutions and operates within the Wałbrzych Special Economic Zone. With a strong international presence, Sonel supplies its products to customers in more than 50 countries worldwide. Sonel also has a subsidiary in Chennai, India, supporting its growing presence in the Indian market and serving customers with specialized electrical testing and measurement solutions.
QUALITY & SAFETY
Sonel is committed to delivering high-quality, reliable and safe electrical measurement and testing instruments that comply with international standards. The company places strong emphasis on robust product design, precision, accuracy and stringent quality-control processes throughout manufacturing, inspection and testing. Sonel’s measuring instruments are designed to support safe electrical installation, maintenance, troubleshooting and diagnostic activities. Its products enable professionals to identify electrical faults, assess power quality, verify protective systems and minimize risks associated with electrical installations. In India, Sonel’s Chennai operations support customers by providing reliable measurement solutions, technical assistance and application expertise. The company is committed to product quality, customer safety, regulatory compliance and continuous improvement to meet the evolving requirements of industrial, commercial and electrical-service applications. Sonel’s management systems are certified to ISO 9001:2015 for Quality Management, ISO 14001:2015 for Environmental Management and ISO 45001:2018 for Occupational Health and Safety Management. Sonel’s measuring instruments are designed in accordance with applicable international standards, including IEC/EN 61557 and IEC/EN 61010 and comply with relevant electromagnetic compatibility (EMC) requirements and applicable directives.
PRECISION IN PRODUCTION
Production & Technology: SONEL S.A. operates modern production facilities in Poland, combining advanced manufacturing technology, automated testing, quality control and R&D. The company manufactures professional electrical measuring and testing instruments for electrical safety, power quality, insulation, earth resistance, thermal imaging, LV Installation Test kit and other applications. Each instrument undergoes controlled inspection and testing throughout the production process to ensure accuracy, reliability, durability and user safety. Continuous technological development supports compliance with applicable international requirements. Calibration & Quality Assurance: Accurate measurement is fundamental to professional electrical testing. SONEL instruments are calibrated using appropriate reference standards and defined measurement procedures to ensure reliable and traceable results. Calibration and quality-control processes are integrated into SONEL’s production system, with calibration documentation provided where applicable. This approach ensures consistent measurement performance and supports the professional use of SONEL instruments in electrical engineering, industry, energy and maintenance.
Our Sonel Products
10k Insulation Resistance Meter
- Measurement voltage range: 50-10000 V
- Continuous indication of insulation resistance
- Automatic discharge of measured object
- Precision measurement technology
Tower Footing Resistance
- Earth resistance measurement (2/3/4-pole methods)
- Impulse earth impedance measurement
- Multiple measuring impulses: 4/10μs, 8/20μs, 10/350μs
- Advanced diagnostic capabilities
Thermal Imaging Camera
- Professional IR imaging capabilities
- Durable, water and dust proof casing
- Compact and lightweight design
- High-resolution thermal detection