INTRODUCTION The instrument is a precision AC energy meter testing instrument, mainly used to test three phase energy meter error on site and measure various of AC parameters. TECHNICAL SPECIFICATIONS Electrical parameters Accuracy class 0.05%, 0.1% Resolution 6 TFT (640-480) Power supply 220V±10%, 50/60Hz Li-polymer battery (size (mm): 110x51x16, nominal output voltage: 7.2V, capacity: 5000mAh) Power line supply (U1, UN), 85V-265V 50/60Hz Communication port RS232 Test voltage Range 5-480V Error ±0.05% (30V-480V) ±0.1% (5V-30V) Harmonic 2nd-63st Test current Range (direct connection) 5mA-20A Error (direct connection) ±0.05% (100mA-20A) ±0.1% (10mA-100mA) Range (clamp CT) 10mA-3000A Error (camp CT) ±0.2% (100mA-100A) ±0.5% (100A-3000A) Harmonic 2nd-63st Power measure error Active power (direct connection) ±0.05% (0.1A-20A) ±0.1% (0.01A-0.1A) Reactive power (direct connection) ±0.1% (0.1A-20A) Energy measure error Active energy (direct connection) ±0.05% (0.1A-20A) ±0.1% (0.01A-0.1A) Reactive energy (direct connection) ±0.1% (0.1A-20A) Phase angle Range 0-360 Resolution 0.01 Error ±0.05 Frequency Range 45-65Hz Resolution 0.001Hz Error 0.002Hz Pulse input Input channel 2 Input level 5-24V Input frequency Max. 2MHz Pulse output Energy constant 180000imp/kWh, 1800imp/kWh, 180imp/kWh Pulse ratio 1:1 Output level 5V Function Vector diagram Yes Waveform Yes Energy accumulation Yes Communication with PC Yes Mechanical parameters Instrument dimensions (WHD) (mm) 220-13861 Instrument Weight (kg) 1.7 Carry case dimensions (WHD) (mm) 450-320185 Carry case (kg) 8.5 Environmental conditions Ambient temperature -10C to 55C Relative humidity 15%-85%