ITS-107 Intervalometer Test Set is developed to test "SEI-2000 Electronic Intervalometers". It can also be used to test LAU-131/A & LAU-68B/A series electromechanical intervalometers. ITS-107 simulates the single and ripple firing modes of above mentioned intervalometers. It has BIT (Built in Test) function. Its own battery and only one connection to the intervalometer give mobility to test engineer. Required charge voltage can be supplied from 115VAC or 220V AC mains.