SRS Amsterdam was founded in November 2003 and was also known in its early days as Super Red Sensors. The company was founded by Petra Beckers, who led it to great success during her 13 years of ownership. On January 1st, 2006, SRS changed its status and became a limited company under the name SRS Amsterdam B.V. Since April 1st, 2016, we have been part of the German company Calsitherm Verwaltungs GmbH, which is primarily active in the same market segments as SRS Amsterdam, providing high-quality calcium silicate products for foundries as well as domestic appliances.

We are specialized in temperature sensing, products for non-ferrous molten metal treatment and transport. Our main customers are primary-, secondary aluminium producers, recycling plants, non-ferrous smelters and foundries.