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Digital ammeter / AC - 0 - 1 000 A | ACA5-20PC-12-AC1-RL-C
ACA5-20PC-12-AC1-RL-C subminiature AC Ammeter by Murata manufactured to scale and display the output of standard 5 ampere output current transformers digitally. After simply passing the output/secondary wires of the primary CT through the on-board CT of the ACA5-20PC and applying power to the meter, one can instantly measure ac currents over one of the 14 available ranges from 0 - 50 amperes with 100 mA resolution to 0 - 2000 amperes with 1 A resolution and since they permit outputs from previously installed high-current CT's, the ammeters of ACA5-20PC integrate interface/scaling circuitry to mate the on board CT to a 3.5 digit precision A/D converter. The output of A/D drives the meters' large 0.37/9.4 mm digit height easy to read LED displays directly. All the models take use of the auto zero circuits, super stable metal-fi lm resistors and precision bandgap references for unparalleled accuracy of + / - 0.15% FA and stability as well. The ACA5-20PC meters are either powered by ac current of 120 / 220 Volts at 50 / 60 Hz or 5 to 40 volts dc.