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05 Jul, 2022 738 Views Author: Cherry Shen

LISUN EFT61000-4 EFT Immunity Measurement– After Sales Questions and Answers

The EFT61000-4 EFT immunity tester is specially designed according to the characteristics and requirements of EFT measurement and it is an ideal disturbance source of EMS measurement. It has fine performance, such as high stability, high reliability, easy to use etc. It meets the standards requirements of IEC 61000-4-4EN 61000-4-4GB/T17215.301GB/T17215.322 and GB/T17626.4. EFT61000-4 has LCD touch screen in both English and Chinese.

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Q1: During EFT test, the test room power supply will trip
A1: The power supply needs to be connected to the isolation transformer first, and then connected to the “test object power input” on the back of the equipment through the isolation transformer. During the surge test, a large pulse will be returned to the power grid. If the isolation transformer is not connected, it is easy to cause the test room to trip.

LISUN EFT61000-4 EFT Immunity Measurement– After Sales Questions and Answers

power input

Q2: During EFT test, the tested object cannot be lit
A2: After all wiring is completed, please confirm that the output switch of the isolation transformer is open.
Before the test, please confirm that the air switch at the “test object power input” on the back of the equipment has been turned on.

Q3: The device cannot be powered on
A3:
①. Check whether the fuse at the power socket on the back panel of the equipment is in good condition.
②. open the equipment cover plate, and there are several varistors inside the power socket. Please check whether all varistors are in good condition.

LISUN EFT61000-4 EFT Immunity Measurement– After Sales Questions and Answers

Varistor

Note: it is recommended to use regulated current to supply power to the equipment. Unstable voltage may damage the fuse or varistor.

Lisun Instruments Limited was found by LISUN GROUP in 2003. LISUN quality system has been strictly certified by ISO9001:2015. As a CIE Membership, LISUN products are designed based on CIE, IEC and other international or national standards. All products passed CE certificate and authenticated by the third party lab.

Our main products are GoniophotometerIntegrating SphereSpectroradiometerSurge GeneratorESD Simulator GunsEMI ReceiverEMC Test EquipmentElectrical Safety TesterEnvironmental ChamberTemperature ChamberClimate ChamberThermal ChamberSalt Spray TestDust Test ChamberWaterproof TestRoHS Test (EDXRF)Glow Wire Test and Needle Flame Test.

Please feel free to contact us if you need any support.
Tech Dep: Service@Lisungroup.com, Cell/WhatsApp:+8615317907381
Sales Dep: Sales@Lisungroup.com, Cell/WhatsApp:+8618117273997

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