But for timing and counting of multiple events, even some powerful computers can come up short. An idea whose time has come. In the past, if you wanted to measure multiple events, you were forced to connect and synchronize multiple timers and counters. But its versatility goes far beyond that. It also comes with an AC adapter.
All connections are easy - either by a screw terminal or optional banana plug adapter.
It's portable and far less expensive than a computer. You can also use two or more of these units together to demonstrate how reaction time increases as a function of the number of stimulus-response alternatives in a task. 15 feet of cable and a shield at the operator s console separate the operator from the subject. This apparatus acts as a dual-channel, solid state, voice relay. Each channel is independent and may be activated by either a piezo microphone, a throat microphone, or a manual push-button supplied with each unit.