The Kele Model CVC is a handheld, battery- or plug-in power supply powered, pocket sized digital signal generator. It generates a 0-10 VDC signal in increments of 1 volt or a 0-20 mA signal in increments of 1 mA. A digital display visually indicates analog signal level. The Model CVC can also continuously ramp to user-defined minimum or maximum values with user-defined ramp-time settings. Kele is the leading supplier of building automation products. When you need the right product, right now, count on Kele.