Tree Tech Digital Systems® has developed a complete line of intelligent electronic devices (IEDs), sensors and software applications to monitor and control the operation of large power transformers and reactors for the electric utility industry.
Manufacturers of rugged, reliable and user friendly substation testing equipment. Products include: Transformer turns ratio meters, circuit breaker timers, insulation resistance meters, low resistance meters, current transformer testers, single phase relay test sets and vacuum bottle testers.
