SHEFFIELD, England--(BUSINESS WIRE)--Following an extensive trial, a South American mining company has decided to fit oil quality sensors from Tan Delta to hundreds of critical vehicles. From heavy plant and conveyors to diesel generators and crushers, the oil quality sensors will continually monitor the exact condition of the oil in gear boxes, engines and hydraulics. Each sensor continuously monitors the quality of the oil in real time, providing the operator with local display, and streaming