Com-Power LI-3100 LISN

Frequency Range: 10 kHz - 400 MHz / 100 Amps

The Com-Power LI-3100 LISN can handle upto 100 Amps AC (70 Amps DC) current and provides the necessary measurement platform for performing power line conducted emissions compliance testing as required by DO-160 & MIL-STD 461F and CISPR 25 and CISPR 16 from 10 kHz to 400 MHz.

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Com-Power LI-3100 LISN Product Description

Line Impedance Stabilisation Network (LISN) Model: LI-3100 can handle upto 100 Amps AC (70 Amps DC) current and provides the necessary measurement platform for performing power line conducted emissions compliance testing as required by DO-160 & MIL-STD 461F and CISPR 25 and CISPR 16 from 10 kHz to 400 MHz.

The concept and advantages of the LISN is to:

  • connect in series with, and impose a defined impedance on, the lines under test; thereby providing a distinct advantage over current or voltage probe measurements, where the impedance of the lines is largely uncontrolled
  • provide a coaxial RF measurement port for connection to the measurement equipment, to which the disturbance voltages present at the EUT port are coupled for measurement
  • isolate the AE (ancillary equipment) port from the EUT and RF ports, which:
    1) Minimises the influence of the AE-connected equipment/cabling on the impedance (and voltage division factor) of the network
    2) Reduces the amplitude of any ambient signals, as well as spurious disturbance voltages generated by the AE-connected equipment, thereby minimising their potential impact on the measurement results

Two pairs of LI-3100 can be used to accommodate 3-phase power systems (Wye or Delta configurations).

Com-Power LI-3100 LISN Resources

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