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S18A Sonde

A small sonde particularly useful in small diameter applications. Used with flexible rods or blown/pulled through pipe or duct. Available as a complete kit.


  • Size: Diameter 18mm (0.7")
  • Length with plain end cap 82mm (3.2") with M10 male end cap 97mm (3.8")
  • Location Depth: 4m (13')
  • Battery: 2 x CR1/3N or 1 x D1/3N providing 8 hours continuous use
  • Signal: 33kHz continuous
  • Pressure: 2 bar – 20m (65') of water

Please Note:

Due to many different cable rodder thread sizes and pitch angles in the market, Radiodetection and TMG do not sell a complete assortment of Sonde-TO-Rod connectors.

TMG does sell

M10 1.5 Thread Pitch TO M6 .75 Thread Pitch Connector


M12 1.75 Tread Pitch TO M10 1.5 Thread Pitch Connector

If these do not suit, you may need to source a connector from somewhere else or have a machinist make one up for you.


SKU 10-SONDE-S18A-33
Model # 10/SONDE-S18A-33
Brand Radiodetection
12 Months Return to Base Warranty



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