The basic and low-cost system to provide hydraulic pressure for a Universal Calibrating Machine and Universal Scale Calibrator is a Morehouse hand pump.
A hydraulic hand pump power system is required to supply, maintain, and adjust the hydraulic pressure in the hydraulic jack, which accommodates various calibration loads. The standard system for generating the hydraulic pressure is the hydraulic hand pump, which does not need any source of electric power to operate. The hydraulic hand pump has two speeds of operation to control the applied force to the force standard and unit under test.
