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Sondes from Vivax-Metrotech are small self-contained battery-powered transmitters located by a compatible pipe locator receiver. Sondes are typically used to locate the non-metallic pipe, drains, sewer or duct. The sonde is propelled along the non-metallic line using conventional drain pushrods or pipe inspection camera systems and is often used to pinpoint blockages or collapses. 

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D38 (Standard) Sondes: 
The Standard Sonde combines compact size with a strong signal. The standard for most applications unless a smaller size, greater depth, or articulated construction is required. 

P/N: D38 (


  • Frequency - 9.82kHz
  • Non-metallic pipe
  • Construction: POM (Polyoxymethylene)
  • Dimensions: 5.2 in x 1.5 in (132mm x 38mm)
  • Weight: 0.31 lbs (0.14kg)
  • Signal: Continuous
  • Depth Range: 16.3 feet (5m)
  • Batteries: 1 x AA (LR6) alkaline
  • 20 hours life, continuous use
  • Operating Temp: -4ºF to +122ºF (-20ºC to +50ºC)
  • Submersion Level: 29PSI (2 bar), 65.6 ft. (20m) water
  • Thread: M10 male

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Vivax-Metrotech Sondes