RIDGID SeekTech 46918 Utility Locator Kit - SR-20, ST-305 & Signal Clamp (New)
RIDGID SeekTech 46918 Underground Utility Locator Kit — SR-20, ST-305 & Signal Clamp
A matched receiver and transmitter package for underground pipe and cable tracing.
The RIDGID SeekTech 46918 utility locator kit combines the SR-20 receiver, ST-305 line transmitter, and an inductive signal clamp. Apply a tracing signal to a conductive pipe, cable, or tracer wire, then follow its route with clear visual guidance from the SR-20.
Key Features
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SR-20 locating receiver: Mapping display, guidance arrows, signal strength, and depth readings help you follow the target utility.
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Distortion feedback: Helps identify interference that can affect locating accuracy.
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5-watt ST-305 transmitter: Provides adjustable signal output and can transmit two frequencies simultaneously.
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Audible circuit feedback: Helps confirm the transmitter connection before tracing.
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Inductive signal clamp: Applies a signal around an accessible conductor without a direct metal-to-metal connection.
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Multiple tracing methods: Supports direct connection, clamp application, and induction.
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Additional receiver modes: The SR-20 also supports passive locating and compatible sonde locating.
Specifications
| Specification | Details |
|---|---|
| Brand | RIDGID SeekTech |
| Kit catalog number / MPN | 46918 |
| Receiver | SR-20 — 21893 |
| Transmitter | ST-305 — 21898 |
| Transmitter output | Up to 5 W |
| Shared active tracing frequencies | 1 kHz, 8 kHz, 33 kHz |
| Receiver programmable frequency range | 10 Hz–35 kHz |
| Inductive clamp | SeekTech — 72963 |
| Clamp inside diameter | 4.7 in / 119 mm |
| SR-20 standard power | Four C-cell batteries |
What’s Included
| Equipment | Catalog Number |
|---|---|
| SeekTech SR-20 utility locator receiver | 21893 |
| SeekTech ST-305 line transmitter | 21898 |
| SeekTech inductive signal clamp | 72963 |
Built for Pipe and Cable Locating
Use direct connection when a suitable connection point is available, or the included clamp when direct contact is impractical. Match the transmitter and receiver frequencies before tracing.
The ST-305 also offers 262 kHz, but this frequency is outside the SR-20 receiver’s supported range. Non-metallic pipes require a traceable conductor or a compatible sonde; sondes are sold separately.
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