KE7301 |
Portable Three Phase Standard Meter |
Accuracy : 0.5, Test method : clamp CT input , light and small, test the error of three phase energy meters and field electrical parameters of power grid |
² Measure all kinds of meter, include single phase (1P2W) meter, three phase three wiremeter (3P3W), three phase four wire meter (3P4W) etc
² Current measure with clamp CT two mode
² Measure Vrms, Irms, phase angle, active power, reactive power, apparent power of three phase or single phase
² Measure total active power and total reactive power of three phase;
² Measure phase angle
² Measure frequency of power grid
² Display vector diagram
² Display waveform of voltage and current
² Analyze and display 2nd – 51st harmonic of voltage and current at real time
² Energy accumulating test (Dial test)
² Auto-check external wiring correct or not
² Test ratio of current transformer in low voltage circuit
² Wiring emulation, can simulate all kind of wirings on site without input voltage and current
² Realtime clock, accurate record testing time
² Store, browse and transfer measured data
² Real-time measured data by PC, and download calibration parameter
² Two kinds of power supply way: external AC power and voltage test lead power
² Support the barcode scanner to input number of energy meter automatically (option)
| KE7301-0.3 | KE7301-0.5 | |
Voltage measurement | |||
Voltage range | 50V – 480V | ||
Accuracy | ±0.1% | ||
Harmonics | 2nd- 51st | ||
Current measurement (clamp CT input) | |||
Current range | 5A、100A | 500A、1000A | |
Accuracy | ±0.3% | ±0.5% | |
Harmonics | 2nd- 51st | ||
Power measurement | |||
Active power | ±0.3% | ±0.5% | |
Reactive power | ±0.3% | ±0.5% | |
Energy measurement | |||
Active energy | ±0.3% | ±0.5% | |
Reactive energy | ±0.3% | ±0.5% | |
Phase measurement | |||
Phase range | 0 -- 360° | ||
Accuracy | ±0.1° | ||
Frequency measurement | |||
Frequency range | 45Hz – 65Hz | ||
Accuracy | ±0.05Hz | ||
Pulse output | |||
Low frequency output(CL) | 3600imp / kWh | ||
Pulse input | |||
Input channel | 1 | ||
Input frequency | Max. 100Hz | ||
Others | |||
Power supply | Powered by external source or tested terminal | ||
Dimensions | 190mm×140mm×50mm | ||
Weight | 1.3kg |
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