Magnum Pro Calibration Pumps is a division of East Hills Instruments Inc, based in New York, N.Y. Magnum Pro has rapidly become the calibration pump of choice. Our calibration pumps are currently used in over one third of all power plants. The calibration pumps are virtually indestructible and are the only pumps in the industry backed by a two year warranty.

Each Magnum Pro calibration pump uses our unique patented design, utilizing a Schrader valve instead of a needle valve, dual O-rings on all pistons as well as other enhancements. These innovations have earned our calibration pumps the reputation of being indestructible.

The Magnum Pro brand has become synonymous with quality by using some of the finest materials such stainless steel, non oil-based lubricants and an anodized finish.