Features

• DMR20-1-ACV - Self-Powered LED Display Line Monitor. The volt meter DMR20-1-ACV is self-powered, AC line-voltage monitors are designed to measure and display the true-RMS voltage of AC power systems. Simply connect any 85 to 264 Vac 50/60 Hz power source and these meters are fully operational, no additional components or power sources are required. The unit can also measure distorted AC power sources including triangle, square, and the quasi-sine output of many DC to AC power inverters. The DMR20-1-ACV is housed in a rugged, round polycarbonate case that provides excellent protection against moisture, dust, shock and vibration. Four-digit LED display (7.6 mm) with overvoltage indication Universal 85 to 264 Vac measurement range Self-powered directly from the AC supply Reads true-RMS value to 0.1 V resolution Digital replacement for analog panel meters Screw-style terminal block simplifies installation Self-resetting internal fuse for long-term reliability Provides moisture resistance to IP67/NEMA 6 Operating temperature range of -25 to +60 °C Installs in 30.5 mm round cutouts Supplied with EPDM rubber gasket and plastic hex nut