The SeekTech ST-510 Line Transmitter lets you energize metallic lines for tracing with a locator.


  • Ten Watts of fully variable power output
  • LCD display provides instant visual feedback on line resistance and current flow
  • Two 25' (7,62 m) lead wires with heavy duty clips
  • Audio feedback confirms a good circuit before beginning a trace



Direct Connect: 128 Hz, 1 kHz, 8 kHz, 33 kHz and 93 kHz
Induction: 1 kHz, 8 kHz, 33 kHz, 93 kHz
Competitor Frequencies: available in both direct connect and induction

Ordering Information

Catalog Number Description Weight
lb. kg
21903 SeekTech ST-510 Transmitter (10 watts)  3.4 

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