Feratures: - Works on single or 3-phase loads on 0-600V (AC or DC) voltage services. Measures up to four channels of current from 0-6,000 amps (AC current only). - Line-powered ? no need for batteries or external power source. - User-selectable recording intervals as short as every 1 second. - 8MB non-volatile memory standard for up to months of recording time. - Better than 1% accuracy (<0.2% typical). - Fast USB connection. - Simple yet powerful Windows-based ELOG? software package for setup, data retrieval, and analysis. Easy data exporting to almost any analysis program such as Excel? and Access?. - Easy setup and installs in minutes. Patented PhaseChek LED indicators ensure correct CT orientation at installation. - Rugged and compact?easily fits inside breaker panels and switch gear.