Showing all 3 results
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![Duct Sonde 33kHz [sku] CL/YIRSD-33](https://cobraductrods.com/wp-content/uploads/2023/06/duct-sonde-33khz-300x300.jpg)
Duct Sonde (33KHZ)
The 33kHz 24mm Duct Sonde is a battery powered transmitter which can be fitted to the end of a Ritelite cobra duct rodding system and used to trace the direction of small and congested ducts or conduit and identify blockage locations.
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![General Purpose Sonde 8kHz [sku] CL/YIRS-8](https://cobraductrods.com/wp-content/uploads/2023/06/general-purpose-sonde-8khz-300x300.jpg)
General Purpose Sonde (8KHZ)
The 8kHz General Purpose Sonde is a transmitter used to trace the direction of pipes and locate blockages when 33kHZ signal is faint.
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![Metal Pipe Sonde [sku] CL/YIRS-512](https://cobraductrods.com/wp-content/uploads/2023/06/metal-pipe-sonde-300x300.jpg)
Metal Pipe Sonde
The Metal Pipe Sonde is a low frequency transmitter that can be fitted to Ritelite cobra rodding systems to enable rods to be traced inside metallic pipes and blockages located.
