On site testing of 3Ph. energy meters without disconnecting the load – A wide range of voltage and current inputs – High accuracy of 0.2 CI in Direct and 0.5 in Clamp on Mode – Maximum current up to 5 Amps in direct mode and up to 200 Amps in Clamp on Mode -Automatic percentage error display along with the energy recorded In the test interval -8 Optical scanner with mounting accessories for automatic testing -Display of instantaneous Electrical parameters such as – Instantaneous Voltage of each phase – Instantaneous Line Current of each Phase – Instantaneous Active Current of each Phase – Instantaneous Reactive Current of each Phase – Active, Reactive and Apparent Power – Power Factor of each Phase and Total Power factor – Frequency – Total Active, Reactive (lag/lead) and Apparent Energy – Phase Sequence -Up to 400 test results (percentage error including in instantaneous -Parameters) storage capacity -Data transfer facilities for complete analysis -Snap switch operation -The equipment is compact and easily portable rugged in design