KE7302 Three Phase Portable Meter Tester
Accuracy : 0.2, Test method: clamp CT and terminal input. KE7302 is used to calibrate three phase, single phase, active or reactive energy meter, and also it can be used as voltage, current and power meter to measure AC parameter of three phase power grid.
Advantages:
- Measure all kinds of meter, include single phase (1P2W) meter, three phase three wire meter (3P3W), three phase four wire meter (3P4W) etc
- Measure the current with clamp CT and terminal two mode.
- Measure Vrms, Irms, phase angle, active power, reactive power, apparent power of three phase or single phase
- Measure total active power and total reactive power of three phase;
- Measure phase angle
- Measure frequency of power grid
- Display vector diagram
- Display waveform of voltage and current
- Analyze and display 2nd – 51st harmonic of voltage and current at real time
- Energy accumulating test (Dial test)
- Auto-check external wiring correct or not
- Test ratio of current transformer in low voltage circuit
- Wiring emulation, can simulate all kind of wirings on site without input voltage and current
- Realtime clock, accurate record testing time
- Store, browse and transfer measured data
- Real-time measured data by PC, and download calibration parameter
- Two kinds of power supply way: external AC power and voltage test lead power
Technical parameters:
| KE7302 | Voltage measurement | Voltage range | 3 x (0V – 480V) | Accuracy | ±0.1% | Harmonics | 2nd- 51st | Current measurement | Current range | Terminal input | 0.1A – 10A | Clamp input | 5A, 20A, 100A, 500A, 1000A, 2000A, 3000A | Accuracy | Terminal input | ±0.2% | Clamp input | ±0.2%(5A), ±0.5% (others) | Harmonics | 2nd- 51st | Power measurement | Active power | Terminal input | ±0.2% | Clamp input | ±0.2%(5A), ±0.5% (others) | Reactive power | Terminal input | ±0.2% | Clamp input | ±0.2%(5A), ±0.5%(others) | Energy measurement | Active energy | Terminal input | ±0.2% | Clamp input | ±0.2%(5A), ±0.5%(others) | Reactive energy | Terminal input | ±0.2% | Clamp input | ±0.2%(5A), ±0.5%(others) | 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 | Ppulse input | Input channel | 1 | Input frequency | Max. 100Hz | Others | Power supply | Build-in rechargeable battery, external power supply, powered from the tested terminal | Dimensions | 214mm×150mm×50mm | Weight | 1.3kg | |
Front panel

1 — LCD display
2 —Number key
3 —Function key
On the front panel, there is a LCD screen and 18 keys. Keys are consist of number key and function key. All the operation can be done via these keys.
Back panel

1 —Nameplate
2 —Air inlet
3 —Air outlet