energy tester tool,examination notice and place for meter tester,great performance,great appearance,three or one phase

FEATURES

• Three phase active or reactive electricity energy meter
• Calibrate three phase, single phase, active or reactive meter error
• Measure U(voltage) of three phase or single phase
• 4Measure I(current) of three phase or single phase
• Measure active power of three phase or single phase
• Measure reactive power of three phase or single phase
• Measure apparent power of three phase or single phase
• Measure power factor of three phase or single phase
• Measure phase angle between voltage and current
• Measure frequency of power line
• Display vector diagram
• Display waveform of U and I
• Analyze and display content of harmonic of U and I
• Store and check measured data
• Optional 5A, 20A, 100A, 500A, 1000A, 2000A, 3000A current clamp
• Measure CT variable ratio
• Print the data of measurement on site