Fisher Sonde SR51 Signal Transmitter

Key Features (read more...)

  • Total Weight - 8 oz. (0.23 kgs.)
  • Frequency - 512 Hz
  • 2 Year Limited Warranty
  • Rugged Design
Total Value: $355.00
Only: $337.00
You Save: $18.00 (5%)

Fisher Sonde SR51 Signal Transmitter Metal Detector

SR51 at 512Hz. Use with Fisher 512 Hz Locator

Product Description

Fisher Sondes are small signal transmitters used to trace the path of non-metallic pipes and locate blockage in a line. Sondes are inserted into a pipe or duct by means of a push rod and the location is found by means of a receiver. Fisher offers 4 Sondes for use with your line locator at different frequencies.

  • Operating Frequency: 512 Hz
  • Weight: 8 oz.
  • Length/Height: 5.5"
  • Diameter: 2"
  • Battery Life: 17 hrs.
  • Depth: 15 ft.
  • Operating Temperature: -20 to +60C
  • End Cap Thread Count: 3/8"-16 x 3/4"

2 Year Warranty: Fisher warrants the Sonde 51 to be free of defects in materials and workmanship when it is shipped from the factory. The terms of this warranty are fully explained in a warranty registration card that accompanies the instrument. Complete factory and field service facilities support the warranty. *Please call 1-888-KELLYCO for warranty information outside the United States.

Need More Information? Call Toll Free for Additional Information & Prices

need help buy your detector

Need help before you buy?
Call us! (1-888-535-5926) We don’t just sell metal detectors we use them on a daily basis. We are called by detector manufacturers in the US and Europe to FIELD TEST new detectors before they are offered for sale. We know detectors and are ready to help you.

Buy with confidence

Buy with Confidence!
Kellyco’s Price Match Guarantee assures each customer that You ALWAYS Get the Very Best Price on all your purchases. It’s GUARANTEED! And don't forget about our NO HASSLE RETURNS - if for any reason you are not happy with your hobby metal detector, you may qualify for a full refund with our new 30-day hassle-free return policy

life time support

Lifetime Support!
In addition to your factory warranty, Kellyco’s team of Certified Factory Trained Metal Detector Experts are available to answer all your questions and give you practical and helpful support as well as technical advice for as long as you own this metal detector. Our modern, well equipped Metal Detector Maintenance and Repair Center does warranty and out-of-warranty repairs as well as customizing land and water metal detectors and devices. Kellyco offers services not available at Big Box Stores or at other dealers and companies merely selling a box with a detector in it. Kellyco is MUCH more than that!

Buy your detector from Kellyco

Why buy a metal detector? (Changes Weekly)
“To find buried treasure of course! (haha) I enjoy the hobby of finding stuff that you really don't know what it is and then having the chance that you might find something really worth a lot. But mostly the priceless time you spend with family and friends relic/treasure hunting!"
Actual comment from "Why Did You Buy Your Metal Detector" contest

Product Features

  • Total Weight - 8 oz. (0.23 kgs.)
  • Frequency - 512 Hz
  • 2 Year Limited Warranty
  • Rugged Design
  • Long Battery Life
  • Outstanding Distance & Depth

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