L3-64, L3-64/690

Three-phase plus neutral 9 kHz – 30 MHz

The L3-64 and the L3-64/690 are fully compliant to:

  • CISPR 16-1-2
  • VDE 0876
  • FCC part 15
  • MIL-STD 461F


The L3-64 tackles radio frequency interference (RFI) in 3-phase AC powered equipment, handling up to 63 amps.

A high voltage version, the L3-64/690, is also available.

This three-line V-network measures conducted interference from 9 kHz to 30 MHz.

Struggling with radio frequency interference (RFI) in your 3-phase AC powered equipment? The L3-64 measurement instrument is here to help. This compact and affordable solution tackles RFI issues in equipment handling up to 63 amps, making it ideal for a wide range of applications.

Designed with both affordability and ease of use in mind, the L3-64 integrates seamlessly with most RF receivers. It even boasts remote connection capabilities for PMM-Narda receivers, offering increased flexibility for your testing environment.