Profile: Ion Science Ltd specializes in providing gas detectors, PID/VOC detectors, SF6 leak detectors, and corrosion monitors. The tiger select is revolutionary hand-held gas detector with two mode operation for the rapid detection of benzene and total aromatic compounds (TACs) providing accurate, reliable data that can count on. It is capable of providing 15 minute STELs and 8 hour TWAs for TACs. A 10.6 eV lamp can easily be installed for the detection of a wide range of TVOCs.