SDI Group plc, through its subsidiaries, designs and manufactures scientific and technology products based on digital imaging in the United Kingdom, rest of Europe, the United States, Asia, and internationally. It operates in two segments, Digital Imaging and Sensors & Control segments. The company offers sensitive camera for life science and industrial applications under the Atik Camera brand name; cameras for art conservation under the Opus Instruments brand name; and camera that have applications in astronomy and life science fields under the Quantum Scientific Imaging brand name. It also offers precision re-circulating chiller, cooler, and heat exchanger to control the thermal environment; and supplies chemical dosing and control system for manufacturing industries. It offers off-the-shelf and custom-made electrochemical sensor for water-based applications under the Sentek name; system and software for automated gel-based DNA and protein fluorescence/chemiluminescence imaging under the G:BOX and NuGenius brands; automated and manual system for microbiological testing in various applications; ProtoCOL 3, a system that is used for vaccine and antibiotic development in pharmaceutical company; and AutoCOL, develops and manufactures a range of automated colony counting and zone sizing product. It also offers clean air solution; cooling solution; metalwork solution for commercial and industrial sector; and oven, incubator, and other temperature controlled product. It designs, manufactures, and calibration of pressure, vacuum, and gas flow measurement instrument; and flowmeter and control instrumentation; and precision micropattern product, as well as water purification product and vacuum ovens under the Cyclon Water Still and Gallenkamp vacuum ovens brands. The company was formerly known as Scientific Digital Imaging plc and changed its name to SDI Group plc in November 2019. The company was incorporated in 2007 and is based in Cambridge, the United Kingdom.