High Precision Portable Meter Tester Three Phase With 120A Clamp CT Class0.05 480V
KE7308 Portable Three Phase Meter Tester
Accuracy : 0.05, Test method: clamp CT and 20A terminal input. It adopts compact engineering case design, which is convenient for on-site test. In addition, it is able to calibrate the error of three phase energy meters and field electrical parameters of power grid. With a IP67 protection level, it can be used in many harsh condition.
Descriptions:
- Wide current range (direct connection): 0.05 A to 20A, the highest accuracy of each test point is 0.05%
- Calibrate the error of all electricity energy meters, checking the constant of the energy meter
- Simultaneous checking of the primary meter and the secondary meter in the same loop, or simultaneously checking of the active power meter and reactive power meter in the same loop
- 7” color LCD display, All the parameters of each operation function can be displayed within one page
- Two operation modes: touch screen and keyboard. Easy and reliable operation..
- Measure voltage, current,frequency, power, power factor and phase angle
- Simultaneous measure and display waveforms of three phase voltage and current
- Measure ratio of CT.
- Allocate clamp of 20A, 100A, 200A, 500A,1000A to directly measure the comprehensive error
- Measure the 2nd - 51st harmonics of current and voltage
- Display vector diagram, judge the wiring right or wrong automatically
- Industrial grade engineering plastic suit case, which has a safety protection level of up to IP67.
- Read the information of energy meter with barcode scanner (optional)
- Battery, test lead power or external power for choices
- Communicate with PC, download calibration data through USB flash disk, RS-232 port
- Firmware can be upgraded through removed disk by users themselves
- Save and browse the testing data
Main specifications:
| | KE7308 | | Voltage measurement | | Voltage range | 3 x (10V – 480V) | | Accuracy | ±0.05% | | Harmonics | 2nd- 51st | | Current measurement | | Current range | Terminal input | 0.05A – 20A | | Clamp input | 5A, 20A, 100A, 500A, 1000A, 1500A | | Accuracy | Terminal input | ±0.05% | | Clamp input | ±0.2%(5A), ±0.5% (others) | | Harmonics | 2nd- 51st | | Accuracy of power measurement | | Active power | Terminal input | ±0.05% | | Clamp input | ±0.2%(5A), ±0.5% (others) | | Reactive power | Terminal input | ±0.05% | | Clamp input | ±0.2%(5A), ±0.5%(others) | | Accuracy of energy measurement | | Active energy | Terminal input | ±0.05% | | Clamp input | ±0.2%(5A), ±0.5%(others) | | Reactive energy | Terminal input | ±0.05% | | 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) | 36000 imp / kWh | | Ppulse input | | Input channel | 2 | | Input frequency | Max. 100Hz | | Others | | Power supply | Build-in rechargeable battery, external power supply, power through the tested terminal | | Dimensions | 323mm×275mm×135mm | | Weight | 3.5kg | |
