The ACA-20PC-3-AC1-RL-C is a digital LED-display AC Ammeter with built-in current transformers. This ACA-20PC series digital AC ammeter to incorporate on-board current transformers (CTs) and it is amazingly easy to use. Absolutely no external components, such as expensive low-value shunts or 5A donut CTs, are required. Meters are AC powered (120/220VAC at 50/60Hz) and impose minimal loads (50mA maximum and 120mA maximum, respectively) on its supplies. It employs auto-zeroing circuits, precision band-gap references and super stable thin-film resistors for unsurpassed accuracy (±0.15%FS) and stability. The functionally complete ACA-20PC ammeter provides all the scaling/interface circuitry to mate the CTs output to a precision (3-1/2 digit) A/D converter. The A/Ds output goes directly to drivers for the meters large, easy-to-read and LED displays. AC-powered unit has on-board AC/DC converters. AC-powered models can be powered by the same AC supply whose current is monitoring.
Built-in current transformers for direct measurement of 0 to 2/20/50/100A
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