The 551 Underground Locator: Everything You Need to Know

Learn how to operate the 551 Advanced underground locator for cable tracing. Master the three primary signal application methods. Alejandro from Tempo Communications walks through the technical features of the 551 advanced underground locator. This guide is designed for technicians and field workers who need to reliably identify buried infrastructure. You will see exactly how to apply signals effectively to get clear results in the field. The content covers the three main ways to apply a signal: direct connection, inductive clamp, and inductive antenna. By following these techniques, you can successfully trace utility lines without guesswork. You will also learn the critical safety step of ensuring lines are deenergized before using the direct connection method, which remains the most effective way to utilize the Tempo 551 for your cable locating tasks. 00:00 - Opening 00:10 - Transmitter 00:19 - Direct Connection 00:58 - Ground Stake Placement & Signal Current 02:23 - Grounding The Far End 02:49 - Inductive Clamp 04:58 - Induction Mode 06:11 - Receiver 06:19 - Passive Mode 08:42 - Peak & Null 10:40 - IntelliTrack Digital Noise Rejection 11:19 - Locating with Fish Tape (33 kHz) 12:01 - Sonde Locating (33kHz) 12:47 - Valve Locating 13:10 - Equipment Testing 13:38 - Bonus Tips 13:38 - Low Battery 14:09 - Packing Up 14:31 - AC Passive Analog Mode 14:46 - Closing and Further Questions For enquiries, please contact marketing@dafnia.com