Vinytics Peripherals offers Photovoltaic Transistor. Vinytics Peripherals develops microprocessor and PC based products for engineering colleges, science colleges, polytechnics, test & measurement, process control, industrial automation, medical, instrumentation, intelligent graphic systems, research laboratories, supervisory control and data acquisition, telecommunication and production facilities. The Photovoltaic Transistor, model- TT-PT comes with in-built power supply and is used to sense the intensity of light.