System description: Introducing new epa 300, a portable standard meter Used for the measurement of the three phase power And the energy. Various measuring features combined with its easy operation concept provide the greatest possible flexibility for a comprehensive testing of metering installations on site. Features: 1. On line calibration with external ct 2. Direct current option up to 10a 3. Accuracy < 0.2% 4. Large lcd display. 5. Pulse input & output 6. Sensor for pulse out led Functions: 1. Power and energy measurement of active, reactive and apparent energy 2. Frequency-, phase angle- and power factor measurement. 3. Error measurement on electric meters. Actual values measurement: 1. Rms values of all voltage and current phases 2. Currents for all 3 phases 3. Frequency and power factor - cos ϕ. 4. 3 phase - kw, kwh, kva, kvar, kvarh 5. Percentage of the measurement error with pulse input. Technical data: 1. Power supply: 85-250vac, 50/60hz. 2. Voltage measurement: 0……300v 3. Voltage measurement accuracy: < 0.1% 4. Current measurement: 50ma ….10a (for direct measurement)1 a…1000a (for measurement with clip -on ct) 5. Current measurement accuracy: direct measurement