LISUN EFT61000-4 EFT Immunity Measurement– After-sales Frequently Asked Questions (FAQ)

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 61000-4-4, EN 61000-4-4, GB/T17215.301, GB/T17215.322 and GB/T17626.4. EFT61000-4 has LCD touch screen in both English and Chinese.

Q1: During the surge test, the main power of the laboratory will trip.
A1: It is important to connect the isolation transformer to the “EUT input” on the back of the surge generator according to the rated power of the EUT. Without an isolation transformer may easily cause the power grid to trip.

EUT Input

Q2: The EUT is not on when you click “EUT Power” on the touch screen.
A2: After completing all wiring, please confirm that the output of the isolation transformer is turned on before performing the EFT test. Please confirm that the switch of the “EUT input” on the back of the surge generator is turned on.

Q3: The fuse and MOV burn out when the surge generator is turned on.
Fuse at the power filter:
MOV on the power filter inside of the surge generator: 

A3: The power input of the surge generator is unstable, the voltage is too high or other power supply problems may cause the fuse and MOV to burn out. Please try to use a stable power supply.

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 Goniophotometer, Integrating Sphere, Spectroradiometer, Surge Generator, ESD Simulator Guns, EMI Receiver, EMC Test Equipment, Electrical Safety Tester, Environmental Chamber, Temperature Chamber, Climate Chamber, Thermal Chamber, Salt Spray Test, Dust Test Chamber, Waterproof Test, RoHS 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