Fluke flk cnx 3000 wireless digital multimeters and kits fluke fluke flk cnx v3000 the fluke cnx v3000 wireless ac voltage measurement kit comprises the tools and accessories you will need to measure voltages remotely the kit is based around the core cnx 3000 wireless multimeter which can display its own readings plus those from up to 3 measurement modules the kit includes a cnx v3000 wireless voltage module in a soft carrying case plus all the necessary test leads probes and accessories