About Ralston Instruments
Ralston Instruments is a world renowned manufacturer of pressure calibration equipment. It was founded in 1969 with the invention of the pneumatic and hydraulic Quick-test pumps. It is a testament to these design innovations that updated versions of these pumps are still available. We are proud of our family heritage and our continued family involvement in the company. Ralston Instruments remains committed to providing customers with lasting value and exceptional service. The design of each model incorporates ruggedness, dependability and ease of maintenance. Our calibration systems allow the customer to work more efficiently, reduce the cost of each calibration and have greater confidence in the accuracy of their pressure calibration.