SeekTech ST-510 Transmitter by RIDGID | 10-Watt Multi-Frequency Line Locator (Model 21903)

Description

SeekTech ST-510 Transmitter by RIDGID | 10-Watt Multi-Frequency Line Locator (Model 21903)

SeekTech ST-510 Transmitter by RIDGID (Model 21903) is a powerful 10-watt multi-frequency line tracing transmitter designed for professionals locating buried pipes, cables, and wires. Built for durability and precision, the ST-510 features an LCD display, six selectable frequencies, and both direct-connect and inductive modes for superior versatility in any field condition.

Features & Benefits

• Powerful Output: Delivers up to 10 watts of fully variable power to trace longer distances and deeper utilities with accuracy.
• Multi-Frequency Capability: Choose from six distinct frequencies to match the conditions of your locate, ensuring maximum signal strength.
• Smart LCD Display: Provides real-time data on line resistance, current flow, and connection quality for immediate feedback.
• Audio Confirmation: Built-in audio tone confirms a complete circuit before tracing begins.
• Heavy-Duty Accessories: Includes two 25-foot (7.62 m) lead wires with rugged alligator clips and a conductive ground rod for reliable connectivity.
• Flexible Power Options: Operates on standard batteries or via an AC adapter, providing dependable performance wherever you work.
• Portable and Rugged: Compact, lightweight construction with weather-resistant housing for demanding jobsite environments.

Detailed Description

The RIDGID SeekTech ST-510 Transmitter is engineered to deliver professional-grade precision for locating underground utilities such as pipes, wires, and conduits. With 10 watts of variable output power and six adjustable frequencies, it provides unmatched signal strength and clarity over varying distances and soil conditions.

Designed for use with RIDGID SeekTech® and NaviTrack® receivers, the ST-510 enables technicians to pinpoint underground lines quickly and confidently. The LCD screen offers clear, real-time feedback on line resistance and current flow, helping users verify circuit quality before beginning a trace. Audio feedback confirms when a proper connection is established, eliminating guesswork.

This transmitter offers exceptional versatility through both direct connection and inductive signal modes, allowing you to adapt to jobsite constraints or varying surface materials. Its dual 25-foot lead wires with heavy-duty clips provide ample reach for direct connection, while the conductive ground rod ensures optimal signal return in challenging conditions.

Technical Specifications:

• Model: 21903 (SeekTech ST-510 Transmitter)
• Power Output: Up to 10 watts (fully variable)
• Frequency Options: Six selectable frequencies
• Display: Backlit LCD showing line resistance, current, and output level
• Leads: Two 25′ heavy-duty cables with alligator clips
• Power Source: Battery-operated (alkaline or rechargeable) or AC adaptor
• Accessories Included: Ground rod and carrying handle

In summary, the SeekTech ST-510 Transmitter by RIDGID provides consistent signal transmission, intuitive feedback, and the versatility needed for professional line tracing and utility locating applications. The key benefit is its blend of high power and multi-frequency precision, enabling accurate, time-saving locates in the toughest environments.

Use Cases

• Utility Locating: Identify and trace underground power, gas, and telecom lines with precision.
• Municipal Maintenance: Locate buried pipes and cables for water, sewer, and electrical systems.
• Construction & Excavation: Prevent costly damage by mapping underground utilities before digging.
• Industrial Facility Work: Track conduit paths and cable runs within complex infrastructure layouts.
• Field Service Operations: Use the ST-510 in conjunction with RIDGID SeekTech receivers for real-time diagnostic locating.

This product is ideal for utility professionals, surveyors, and maintenance technicians who require high accuracy and long-range capability in their locating equipment.

Why Choose the SeekTech ST-510 Transmitter by RIDGID

• Trusted RIDGID Performance: Backed by over a century of experience in professional diagnostics and locating equipment.
• Enhanced Locating Precision: Variable power and multi-frequency options adapt to any terrain or depth.
• Rugged Reliability: Built for field durability — resistant to impact, weather, and jobsite wear.
• Seamless Compatibility: Pairs perfectly with all RIDGID SeekTech® and NaviTrack® receivers for complete locating systems.
• Lifetime Support: Covered by the RIDGID Full Lifetime Warranty for lasting confidence and protection.

FAQ

Q: What receivers are compatible with the SeekTech ST-510 Transmitter?

A: The ST-510 works seamlessly with all RIDGID SeekTech® and NaviTrack® receivers, including the SR-20 and SR-60 models.

Q: How many frequencies does the ST-510 offer?

A: The ST-510 offers six user-selectable frequencies, allowing for flexible tracing in a wide range of soil and distance conditions.

Q: Can I use the ST-510 with an external power source?

A: Yes. The unit can operate on batteries for portability or via an AC power adapter for extended use.

Locate with confidence using the SeekTech ST-510 Transmitter by RIDGID — the powerful, reliable solution for professional line tracing and underground utility mapping. Whether you’re a contractor, technician, or municipal operator, this transmitter delivers the accuracy and strength needed to get the job done right. Shop RIDGID diagnostic and locating tools or order your SeekTech ST-510 today from J.M. McKinney Co — your trusted source for professional RIDGID equipment across the U.S.

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