DMR20 Digital Panel Frequency Monitors

Description

Murata announces the third generation of the DMR20 series of round, miniature digital panel frequency monitors. Designed to measure and display AC mains frequencies in the range of 45 to 65 Hz, over an input voltage of 85 to 264 V AC, the monitor is suitable for mounting in an industry-standard “oiltight” 30 and 30.5 mm / 1.2 in. round panel cutout.

The DMR20-1-FM-R-C frequency monitor is a self-powered, two-wire meter that does not require any additional external power sources. Equipped with a quartz crystal-controlled microcontroller-based timing circuitry, this monitor is a companion product to Murata Power Solutions' AC voltmeter, model number DMR20-1-ACV-R-C.

The meter has a display resolution of one hundredth of a Hertz (0.01Hz) from 45 to 65 Hertz, making it an attractive replacement for outdated analog frequency meters and meaning that no additional components or separate power supply is required for the unit.


Specs

Applications:

  • industrial and consumer backup generators
  • marine instrument panels
  • power distribution units
  • off-grid power generation
  • portable generators
  • utility test sets
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