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The model ACM3P 3-phase AC ammeters measure and display the true-rms values of 2- or 3-phase ac mains current. A front panel touch switch enables the selection of a continuous reading of any of the three phases.
All ACM3P ammeters are functionally complete, with built-in L1, L2, and L3 current transformers—no other
user-supplied components or hardware required. ACM3P AC ammeters are available with a 0-100A input range
(150A peaks) and provide a resolution of 0.1 Amp.
Their 85-264Vac (47-63Hz) operating supply range makes these
ammeters perfect for worldwide 3-phase current monitoring applications. And, unlike conventional average-responding
products, ACM3P ammeters can accurately display the true-rms values of triangle waves, square waves,
and other irregularly shaped AC current waveforms, with an accuracy of ±1% of full scale.
The meters are packaged in a one-piece, vibration resistant, polycarbonate housing that can be installed
in vertical ‘0U’ or horizontal ‘1U’ rack spaces. Their miniature size is ideal for UPS backup power sources,
power strips, alternative energy metering, and any other applications that require precise monitoring
of 2- or 3-phase ac current.
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