Welcome to Peak Process Controls.

We are the exclusive North American representative to Sigrist-Photometer AG of Switzerland. Sigrist, an ISO9001 certified company, is a world leader in the manufacture of process photometers for continuous quality control monitoring in liquids and gasses.

We provide our customers with knowledgeable and accurate information, high quality instrumentation and after sales support.

We carry a large inventory of spare parts ready for next day delivery to anywhere in North America