Rohde schwarz hz540l emi near field probe set 3ghz rohde schwarz 3594 6418 02 p the rohde amp schwarz hz540 is an emi near field probe set and the ideal toolkit for the investigation of rf electromagnetic fields the hz450 is indispensable for emi pre compliance testing during product development prior to third party testing the set includes 3 hand held probes with built in preamplifier covering the frequency range from lt 1mhz to approx 3mhz p p the probes are used in conjunct