FV-40 Transmitter

FV-40 TransmitterPrototek continues bringing new technology to the locating industry. These FV Series 512 Hz transmitters are small and durable . They’re made of solid brass and the same tough urethane used to line rock tumblers. A gold battery contact prevents corrosion and the rubber O-ring seals out moisture.

Attach one to your pushrod, behind a camera, jetter or put it in our spring carrier and use with your cable for those tough jobs.


  • Compatible with all 512 Hz receivers
  • Sizes: 1 3/4 inch X 9 1/2 inches
  • Range: 40 feet thru cast iron, 60 feet through nonmetallic
  • Signal tone: Continuous
  • Duration: 8 hours
  • Power: 3 alkaline C-Cell batteries
  • Line size: Moves through lines down 4 inches
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