The most widely recognized EP tester! Evaluates the load carrying capacity of extreme pressure fluid lubricants and greases containing extreme pressure additives. Supplied as a complete system for ASTM D2509 and D2782. Includes controlled rate test load and mechanical grease feeder systems, a test fluid recirculation system with temperature control, and automatic fluid flow interrupter. Tester has variable speed motor and reservoir cooling system to improve versatility, performance and ease of operation.