Mechanical, electromechanical, and electric, electronic and sensor-based measuring, regulating and monitoring equipment, namely, oil and winding thermometers; measuring, calculating, controlling and regulating apparatus for the activating, controlling, regulating, monitoring, testing and supervision of transformers, namely, computers, electronic monitors, and monitor modules for monitoring electric current and electrical signals, the aforesaid apparatuses and instruments interacting with oil ...

Thermometers and temperature monitors for use in electric power transmission and distribution