Blue and green LED versions added to digital panel voltmeter range

Murata Power Solutions has introduced its low-power, high brightness, three-and-a-half digit, DMS-20PC digital panel voltmeters. The company announces that they are now available with 'brilliant blue' or 'pure green' LED colors in addition to the current 'low-power red'. The DMS-20PC series provides a sub-miniature, low-cost solution in applications such as battery chargers, power amplifiers, rack-mounted power and high-end consumer electronics.

Advances in LED Technology have allowed Murata Power Solutions to offer the two new colors. Innovations in LED drive circuit technology developed by Murata Power Solutions and used in the DMS-20PC range mean that power consumption is just 12 to 17mA for blue and green LED models, and 7 to 12mA for red LED versions (all @ +5VDC). This compares to the 150mA to 200mA seen in many competing products. This low-power performance has been achieved without a reduction in LED brightness. In fact, DMS-20PC LED panel meters are brighter than many standard power counterparts.

Housed in an epoxy-encapsulated 12-pin DIP package with a built-in color filter and bezel, the DMS-20PC series offers component-like plug-in convenience and is moisture and vibration proof making it well-suited to use in the harshest environments. Operating temperature range is 0°C to +60°C. The fully self-contained and fully functional meters combine a precision ADC and a factory-trimmed, highly stable voltage reference.

Powered by a single +5V supply, the DMS-20PC has four differential input voltage ranges: ±200mV, ±2V, ±20V or ±200V, input overvoltage protection (on the non-inverting input) is ±250V. All models have a factory calibrated ±1 count accuracy (0.05% of full scale range) and are designed to never require calibration. The compact overall package dimensions of 35mm x 22mm x 12mm are only slightly larger than the 9.4mm high display itself therefore helping to maximize use of space in customer applications.

In addition, the DMS-20PC features a DISPLAY TEST function and a DISPLAY ENABLE function that permits the display to be disabled for 'power-down' operation. 'Standard red' LED models also offer an optional DISPLAY HOLD function.

DMS-20PC low-power blue or green LED display panel meters are priced at $54 in singles and drop to below $37 in hundreds. Small quantities are available from stock.

About Murata Power Solutions
Murata Power Solutions ( is headquartered in Mansfield, Massachusetts, with over 1,300 employees, and locations in the USA, Canada, England, France, Germany, Japan and China. Murata Power Solutions designs, manufactures and distributes DC/DC Converters, AC/DC Power Supplies, Magnetics, Data Acquisition devices and Panel Meters, and offers these products in custom, standard and modified-standard variations. These products, which are built to exacting requirements in ISO9000:2000-approved facilities, are typically used worldwide within telecommunications, computing, industrial and other high-tech applications.

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