Murata has released a series of miniaturized DC panel meters for industrial and laboratory voltage and current measurement applications. The DMR35 series, comprised of ammeters and voltmeters, is powered from a 9-32 VDC external power source.
The family of DC panel meters provides a unique bar-graph display of up to 3-1/2 digits along with a traditional numeric panel meter. Designed to fit into a 2.25” mounting hole, the devices are a mechanical drop-fit replacement for many analog panel meters. They offer IP66 environmental protection at the front mounting surface when used with the combined gasket.
An exclusive feature is a bar-graph readout coupled with the digital absolute value that provides a fast response, analog-like movement to help in rapidly changing measurements, said Murata.
Key features of the panel meter series include a +/-48 V common-mode input range, 0.8% measurement accuracy, a precision internal shunt resistor for increased accuracy, and user adjustable display brightness. They also offer low current consumption, 37 mA typical at 12 VDC.
(Image: Murata datasheet)
Offering selectable current measurement ranges, the ammeters can be configured for current measurements from 50 µA to 25 A with internal shunt resistors and 5-500 A for external. The voltmeters, with selectable voltage measurement, offer a DC measurement range from 0 to 50 Vdc or +/-5 V and +/-50 Vdc.
(Image: Murata datasheet)
The DMR35 family is enclosed in a rugged polycarbonate housing that is mountable in a round hole using supplied screws. They target laboratory instrumentation, factory automation, and other applications that precise DC current and voltage monitoring.
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