Isolate the power and data lines to your DUT (device under test) to eliminate outside and unknown electrical noises, providing a stable impedance during your testing. Line impedance stabilization networks (LISN's) are used for electromagnetic compliance testing as well as engineering labs for better performance and more accurate measurements.
FCC-LISN-50-50-4-02 Line Impedance Stabilization Network
SKU: 12364-1
LISN-CISPR16-100A 3-Phase, 100 Amp Line Impedance Stabilization Network
SKU: 12114
EM Test AIF 503N32.1 3-Phase Flicker Impedance Network
SKU: 21917
Com-Power LI-550C 100 kHz to 108 MHz LISN
SKU: 8943
Teseq ISN T800S Impedance Stabilization Network per CISPR 22/32 Figure D.3/G.3
SKU: 12861
Com-Power ISN-T8 Impedance Stabilization Network 150 kHz to 30 MHz
SKU: 30151
Fischer FCC-TLISN-T4-02 CISPR 22 Impedance Stabilization Network (ISN)
SKU: 484
3ctest ML300HVS Artificial Mains Network LISN
SKU: 57281
LISN-MIL461-100S Line Impedance Stabilization Network (Single Line)
SKU: 11441