Panel Meters – 2-Wire DC Monitor

Murata Power Solutions
Part Number Information
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DMR20-10-DCM Buy Now

Murata Power Solutions’ new DMR20-10-DCM self-powered, auto-ranging DC voltage monitors are designed to measure and display the outputs the most popular DC power systems. Simply connect any 6 to 75V DC power source and these meters are fully operational—no additional components or power sources are required.

Their large, 0.30"/7.6mm, bright LED displays can be easily read from 10 feet away (3 meters). These auto-ranging meters accurately display DC voltages with 0.01V in the LO Range (below 51V), or 0.1V resolution in the HI Range (above 51 V). A built-in resettable fuse assures long term reliability. All DMR20-10-DCM’s employ a 13-bit A/D converter and precision metal-film resistors to achieve outstanding performance over an operating temperature range of –5 to +60°C.

The DMR20-10-DCM is housed in a rugged, round poly carbonate case that provides excellent protection against moisture, dust, shock and vibration. Panel installation is straightforward: using readily available tooling, simply drill and punch a 1.2 inch (30.5mm) diameter hole and anti-rotation notch, insert the meter and gasket into the panel, and securely fasten the meter using the supplied hex nut. The supplied hardware is designed to provide protection to IP67/NEMA 6.


  • Self-powered, requires only two connections
  • Auto-ranging 6 to 75Vdc input range
  • Installs in round “oil tight” 1.20 inch (30.5mm) cutouts
  • Reverse polarity protected to –100Vdc
  • Four-digit LED display with overvoltage indication
  • 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
  • Supplied with EPDM rubber gasket and plastic hex nut
  • Panel knockout punches and tooling available


  • Battery-powered applications
  • Battery chargers
  • Renewal energy equipment