Specifications include, but are not limited to: CONCRETE CYLINDER BREAKER Must have a functioning range with the minimum force to be no more than 3,000 lbs and the maximum force to be no less than 300,000 lbs. Must meet the following standards: ASTM C39, C78, C109, C293, C469, and E-4 Frame to exceed ACI R363R for rigidity. Enclosure of the testing chamber must be fully enclosed. The front and rear access doors must fully cover the entire door opening. The door must have clear acrylic for viewing the test sample, metal mesh is not acceptable. Must operate on 120 volts at not more than 20 amps. Must be capable of automatically adjusting the loading to load at a preset loading rate and automatically return to start position after a test has been completed. A properly equipped FHA-300-VFD/300k by Forney is believed to meet these specifications or something equivalent.