Calibrate the error of all electrical energy meters
Measure voltage, current, frequency, power, power factor and phase angle
Simultaneously measure and display waveforms of three phase voltage and current
Measure ratio of CT
Measure the 2nd -21st harmonics of current and voltage
Vector diagram Display , judge the wiring right or wrong automatically
Energy accumulation test available
Three power supply ways available: built-in battery, test lead power or external power for choices
Use RS-232 port to communicate with PC, transfer test data through USB port
Adopt automatic recovery technology, the equipment can be recovered automatically after trouble is solved
Test record can be stored. Max record storage quantity is 1000 pieces.

	KE7304
Voltage measurement
Voltage range	10V – 480V
Accuracy	±0.1%
Harmonics	2^nd- 21^st
Current measurement (clamp CT input)
Current range	10A, 20A, 100A, 500A, 1000A
Accuracy	±0.3%
Harmonics	2^nd- 21^st
Power measurement
Active power	±0.3%
Reactive power	±0.3%
Energy measurement
Active energy	±0.3%
Reactive energy	±0.3%
Phase measurement
Phase range	0 -- 360°
Accuracy	±0.1°
Frequency measurement
Frequency range	45Hz – 65Hz
Accuracy	±0.05Hz
Pulse output
High frequency output(C_H)	3.6 x 10⁷imp / kWh
Low frequency output(C_L)	3.6 x 10⁴ imp / kWh
Pulse input
Input channel	1
Input frequency	Max. 100Hz
Others
Power supply	Build-in rechargeable battery, external power supply, power through the tested terminal
Dimensions	154mm×249mm×58mm
Weight	1.8kg

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