Density Meters for Chemical, Petroleum, Pharmaceutical, Petro-Chemical, and Beverage Labs The Rudolph Density Meter product lines are ideal for both research and production work across many industries including Chemical, Petroleum, Pharmaceutical, Petro-Chemical, and Beverage. Having great experience serving these markets for decades Rudolph has incorporated the features you need for both production and research applications.

Select a Refractometer for your demanding Laboratory application from the wide range of instruments available from Rudolph Research. Rudolph is a leading analytical laboratory instrument supplier, manufacturing precision quality benchtop instruments for the Pharmaceutical, Chemical, Petroleum, Petro-Chemical, Food, and Beverage industries. All our instruments are designed to meet specific application requirements of specific industries and all are designed to exceed your requirements. We offer a range of models and numerous configurations and are pleased to advise you as you make a purchase decision for your laboratory.