RIDGID 21898 SeekTech ST-305 Line Transmitter, Line Tracer and Underground Line Locator,Yellow,Small

RIDGID 21898 SeekTech ST-305 Line Transmitter, Line Tracer and Underground Line Locator,Yellow,Small

Features:

• LINE TRACING TRANSMITTER: Allows you to energize metallic lines for extremely accurate line tracing, underground cable locating, and more and can conveniently transmit 2 frequencies simultaneously
• COMPACT YET POWERFUL: Delivers up to 5 watts of power and features 4 total frequency options to allow you to trace lines with significantly less interference
• EASY TO OPERATE: Buttons with LED light indicators and convenient audio feedback that confirms your circuit is good before beginning a trace makes operating this device a breeze
• VERSATILE CONNECTIONS: Capable of using 3 connection methods - direct connection, surface induction connection, or induction connection through the separately sold SeekTech Inductive Signal Clamp
• EFFICIENT AND PORTABLE DESIGN: Lightweight transmitter is battery operated, features an extendible carrying strap, and comes with a conductive ground rod

Details:

Experience unmatched accuracy with the RIDGID SeekTech ST-305 Line Transmitter and Underground Cable Locator (model ST-305, catalog number 21898). This brilliant device allows you to energize metallic lines for extremely accurate line tracing, underground cable locating, and more and is capable of conveniently transmitting two frequencies simultaneously. Compact yet ultra powerful, this transmitter delivers up to five watts of power and features four total frequency options to allow you to trace lines with significantly less interference. It's exceptionally easy to operate, featuring buttons with LED light indicators as well as convenient audio feedback that confirms your circuit is good before beginning a trace. This line tracer is capable of using three connection methods - direct connection, surface induction connection, or induction connection through the separately sold RIDGID SeekTech Inductive Signal Clamp. Designed for maximum portability and efficiency, the lightweight transmitter is battery operated, features an extendible carrying strap, and comes with a conductive ground rod. RIDGID is a global manufacturer of more than 300 dependable and innovative tools, trusted by the skilled trades in more than 100 countries. RIDGID products are purpose built for professionals in the evolving commercial, industrial and energy markets who install and maintain the world's infrastructure. BUILT FOR THOSE WHO KNOW. Since 1923, RIDGID has remained the symbol of certainty to dedicated professionals of the expert trades. Every tool that bears the RIDGID brand is engineered to the same high standards of quality, strength, and endurance, as was that first heavy-duty pipe wrench more than 80 years ago. Ridgid covers its products with a lifetime warranty against defects in material or workmanship for the life of the tool. The Ridgid 21898 Line Transmitter has 4 direct connect frequencies, 3 inductive frequencies and can simultaneously transmit 2 line frequencies. This transmitter has an automatic impendence matching system and has a maximum power output of 5 watts. Also it comes with variable power settings, low, medium and high.

What Our Experts Think

• Professional locating power: The RIDGID SeekTech ST‑305 Line Transmitter offers reliable underground line tracing and location — ideal for utility crews, plumbers, electricians, and construction professionals.

• Clear signal output: Strong, consistent transmit signal enhances accuracy when locating buried pipes, cables, and conduits.

• Versatile use: Works with receivers to trace live, dead, or shielded lines on a variety of jobsites.

• Rugged, jobsite‑ready design: Built with durable materials and ergonomic handling for daily field use in demanding conditions.

Product Q&A

• What is this used for?
  Transmits a signal onto a target line so a compatible receiver can trace the path and depth of underground utilities.

• Can it locate live lines?
  Yes — it can trace both live and indraft (dead) lines when used with the right receiver.

• What types of utilities can it trace?
  Metal pipes, conduit, cable, and other conductors when paired with a RIDGID receiver.

• Is it easy to use?
  Yes — intuitive controls and versatile connection options make setup and operation straightforward.

Maintenance Tips

• Keep contacts and connectors clean to ensure good transmission signal.

• Check batteries before use and replace/charge as recommended.

• Store in a dry, protected case when not in use to guard against moisture and impact.

• Inspect cables and leads for wear and replace damaged ones promptly.

• Wipe down housing after jobs to remove dirt and debris and preserve durability.