SDI Group (formerly known as Scientific Digital Imaging) is an acquisitive group that specializes in the design and manufacture of analytical technology products for use in imaging and sensing and control applications. The company offers highly sensitive cameras, digital imaging scientific instruments, water purification products and vacuum ovens, chillers, coolers and heat exchangers, thermal mass flow meters, and other products for the life sciences, healthcare, astronomy, precision optics, measurement instrumentation, and art conservation markets. Its major brands include Synoptics, Syngene, Synbiosis, Artemis, Osiris, Sentek, etc.