Sonel S.A. manufactures and sells measuring instruments for power generation and telecommunications sectors in Poland and internationally. The company offers electrical safety measurements, including multifunctional electrical installation, insulation and earth resistance, and RCS meters, and short circuit loop and photovoltaic measurements; power quality analysis; partial discharge measurements; safety electrical equipment; low resistance measurements; thermal imagers and pyrometers; and illuminance measurements. It also provides location of cords and cables, and fault detection; handheld devices, such as multimeters, clamp meters, voltage testers, ultrasonic leak detectors, distance meters, and phase sequence and motor rotation tester; leakage current alarm; laboratory equipment; and high voltage equipment. In addition, the company offers accessories, including clamps, adapters, test probes, crocodile clips, test leads, cramps, power and battery, carrying cases, and other products, as well as accessories for thermal imagers and PAT series. Further, it provides Sonel Reader software to read data from memory of Sonel test instruments; Sonel Reports Plus software to create documentation after testing of electrical installation; Pat Analysis, a new version of Sonel PAT Analysis software; Sonel ThermoAnalyze software for correcting emissivity coefficient for a part or the entire thermal image; and Sonel Analysis, an application to work with analyzers. Additionally, the company offers Sonel Multimeter mobile; Sonel PAT Analysis Mobile; Sonel CMM-60 Multimeter Software; SRP control software; LKZ Terminal; IR Thermometer software; software for LXP light meter; Sonel MPI mobile; Sonel MRU mobile; Sonel MIC mobile; Sonel KT mobile; and Sonel Analysis mobile. Sonel S.A. was founded in 1994 and is headquartered in Swidnica, Poland.