AC Ammeters Include Current Transformer

Touted as the first digital ammeters with built-in current transformers, the ACA-20PC series directly measures from 0 to 2, 20, 50 or 100A. By passing the load wire through the on-board current transformer, users can instantly measure from zero to 100A.
The meters are self- powered, subminiature packages with 0.37-in. green or red digital displays. Ac-powered models are available in 120, 220, and 277 vac. Dc powered versions include +5-, +5- to +40-, and +36 to +75-vdc models. The ACA-20PC ammeters are priced at $72 for singles and $49 each/1000. Production quantities require six to eights delivery ARO.