Murata expands digital panel meter range
A Murata Power Solutions product story
Edited by the Electronicstalk editorial team Jul 16, 2009
Expanding its Datel offering of digital panel meters, Murata Power Solutions has introduced a series of four-function AC power meters.
The ACM20 series is able to measure and display AC volts, amps, watts and power factor with a typical accuracy of +/-0.5 per cent full scale.
Unlike conventional average responding products, the meters accurately display true-rms voltage and current values of triangle and square waves, plus other irregular-shaped waveforms.
The compact, rugged, surface-mount ACM20 series is designed for use in mains-powered applications such as power distribution units, breaker panels and generator sets in industrial, commercial and residential markets.
A universal 85 to 264V AC (at 47 to 63Hz) operating voltage allows use worldwide, and users can choose from models with a range of either 0-30A (with 0.01A resolution, 7,200W max), or 0-100A (with 0.1A resolution, 9,999W max).
Power consumption is less than 0.25W (from a 120V AC supply).
A front panel selector switch provides two modes of operation: a fixed reading of any of the four parameters, or a continuous cycling through of all four measurements.
An optional model is available that is also able to display line frequency with 0.1Hz resolution.
All ACM20 multi-function power meters include built-in current transformers and require no user-supplied components.
With a large 9.2mm (0.36in.), four-digit, bright-red LED display, ACM20 measurements can be read from distances of up to 5m.
The one-piece, vibration resistant polycarbonate housing is suitable for installation in vertical 0U and 1U rack spaces, and the surface-mount design with overall dimensions of 53.3mm (2.1in) x 36.3mm (1.43in) x 12.95mm (0.51in) occupies minimal panel space.
Operating temperature range is 0C to +60C.
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