Diameter, Analog, Electrical, Kit - Monitor the EGT of your diesel-powered rig with Banks Power DynaFact pyrometer gauges. These illuminated, easy-to-read precision instruments keep an accurate eye on the exhaust gas temperatures of your workhorse. Accurate to within 15 degrees F at maximum operating temperatures, DynaFact pyrometers are built with 2,000 degrees F-rated chromel-alumel thermocouple wires to provide superior conductivity and they come with clamp-on probe. Order the model that best suits your application needs.