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Home Products Low Frequency Common‑Mode Conducted Immunity Test System
Low Frequency Common‑Mode Conducted Immunity Test System
Low Frequency Common‑Mode Conducted Immunity Test System

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Low Frequency Common‑Mode Conducted Immunity Test System

Product No: LFCI61000-16

  • Specifications

  • LFCI61000-16 Low-Frequency Common-Mode Conducted Immunity Test System integrates a signal source, power amplifier, power meter, attenuator, and three-phase coupling/decoupling network. It is used to apply common-mode conducted interference within the DC to 150kHz frequency range to power ports, signal ports, and communication ports to evaluate the immunity performance of electrical and electronic equipment to low-frequency common-mode interference, simulating field electromagnetic environments such as leakage current in power distribution systems, grounding loop interference, and common-mode disturbances in DC power supply networks. It is widely used for EMC type testing of products such as electricity meters, industrial control equipment, relays, rail transit equipment, communication equipment, power electronic devices, and instruments, as well as for third-party testing laboratories and enterprise R&D and quality control departments.

    Standards:

    Standards No. Standards Name
    IEC 61000-4-16:2015 Electromagnetic compatibility (EMC) – Part 4-16: Testing and measurement techniques – Test for immunity to conducted, common mode disturbances in the frequency range 0 Hz to 150 kHz
    GB/T 17626.16-2007 电磁兼容 试验和测量技术 0 Hz～150 kHz 共模传导骚扰抗扰度试验
    IEC 60255-22-7:2003 Electrical relays – Part 22-7: Electrical disturbance tests for measuring relays and protection equipment – Power frequency immunity tests
    EN 60255-22-7:2003 Electrical relays – Part 22-7: Electrical disturbance tests for measuring relays and protection equipment – Power frequency immunity tests

    Specifications:

    Test Items Continuous Disturbance Test Short‑Duration Disturbance Test Sweep Test
    Compliance Standard IEC/EN 61000-4-16 Table 1 IEC/EN 61000-4-16 Table 2 IEC/EN 61000-4-16 Table 3
    Test Frequency DC, 16²⁄³ Hz, 50 Hz, 60 Hz 15 Hz~150 kHz
    Open‑circuit Voltage 0.1 V~30 V ±5% 10 V~300 V ±5% 0.1 V~30 V ±5%
    Fall/Rise Time N/A 1 μs~5 μs N/A
    Output Impedance 50 Ω ±10%
    Total Harmonic Distortion ＜5% (sine wave)
    DUT Voltage & Current Built‑in 3‑phase coupling‑decoupling network, AC 380 V / 16 A
    Control System 10.1‑inch Chinese‑English Android capacitive touch screen, supported PC remote software control
    Output Interface LAN, USB, RS485
    Operating Environment Temperature: 10‑40 ℃; Humidity: 30%‑70%RH
    Power Supply AC 110‑250 V / 10 A, 50 Hz / 60 Hz
    Optional Recommendation Need to work with LISUN Isolation Transformer ITEU-TP10K or ITUS-TP5K (Option with extra cost)

    Test levels for short duration disturbances at the electricity supply frequency (Table 2 of EN61000-4-16)

    Test levels for continuous disturbances in the frequency range 15Hz to 150kHz (Table 3 of EN61000-4-16)

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