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The RIDGID 21898 SeekTech ST-305 is a compact, battery-powered line transmitter designed for highly accurate underground line tracing. Delivering up to 5 watts of power and supporting simultaneous dual-frequency transmission, it reduces interference and enhances precision. User-friendly LED-lit controls and audio feedback simplify operation, while versatile connection options and a portable design make it the go-to tool for professional utility locating.






















| ASIN | B001NGPKKU |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |
| Color | Yellow |
| Customer Reviews | 4.5 4.5 out of 5 stars (80) |
| Date First Available | December 24, 2008 |
| Included Components | Battery |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 2.4 pounds |
| Item model number | 21898 |
| Manufacturer | Ridgid Tool Company |
| Material | ABS |
| Part Number | 21898 |
| Power Source | Battery Powered |
| Size | Small |
| Style | SeekTech |
| Warranty Description | Full lifetime warranty |
J**E
A must have for locating copper lines.
Product works as advertised. We added a valve on a copper line, located it with no problem. Ridged makes the best locating equipment for plumbers. Durable and made to last. Don’t try to use it in the rain.
P**E
Found it
The device puts out a strong signal, my locating wand picked it up easily, and we tracked it down a hill right to the problem spot.. good purchase
J**S
Five Stars
Great Product
D**N
It's nice once you get used to using it
It's nice once you get used to using it. The extra feature such as passive tracing is very nice. It's also very compact and fits right into the locator case without any hassle.
L**N
Five Stars
works great
S**A
best thing i ever user.
user this one last week it was perfect for use! recommend!
B**L
I wonder...
I wonder how Amazon and or this seller managed to get Google shopping to report this price as the lowest #1 hit then when you link in you see that the price is actually $400 higher.... I'm a professional Plumber and a Ridgid /Seekteck fan and do not mean to take away from a great product but I will speak out about dishonest business practices....
A**R
Easy and Reliable
This transmitter works great. The whole Ridgid SeekTech system is easy to use and reliable.
T**S
Small and simple to use. Cheap compared to hitting a gas line. Looks a lot more professional as a company owner as well
A**R
i received item without "conductive ground rod" , thats why i returned, How to confirm the "conductive ground rod" will included in my next order ???
Trustpilot
2 months ago
1 month ago