Measure protective current with precision to validate cathodic protection levels and support pipeline integrity assessments.
The Corrosion Service Zero Resistance Ammeter (ZRA) is a field micro amp meter specifically designed for the corrosion industry. Used with DC coupons, it measures the small currents flowing between a pipeline and a validation coupon, providing an accurate indication of protective current. By minimizing the loading effect associated with conventional ammeters, the ZRA helps validate corrosion protection data and compare actual measurements with design values.
