S.B. Electrotech are well-known Manufacturers, Suppliers, and Exporters of Electrical and Electronic testing & measuring instruments, based in Kolkata, West Bengal. Our company has established a reputable position in the industry by delivering high-end products like Contact Resistance Meter, Transformer Test Bench, AC High Voltage Tester, Circuit Breaker Timer, Capacitance & Tan Delta Test Kit, etc. Our offered products are specially designed & manufactured by using optimum quality raw material & latest components purchased from topmost market vendors with the combination of the latest technology.