The 33kHz 38mm General Purpose Sonde is a transmitter used for pipe traceability and blockage location up to 7M depth from any standard CAT and Genny system.

View full description


Product code: CL/YIRS-33 Category: Tags: Battery Operated Sonde, Cobra Rodding, Cobra Rodding Spares, General Purpose Sonde, General Purpose Sonde (33kHz), Maxi Cobra High Capacity Rodding System, Maxi Cobra Rodding System, Medi Cobra Rodding System, Quick Trace Rodding System


A 33kHz 38mm General Purpose Sonde is a small but powerful battery powered waterproof transmitter that can be attached to Ritelite cobra duct rodding systems with suitable adaptor and inserted into any non metallic pipe or duct. The rodding system can then be traced above ground using a CAT and Genny system to identify pipe, conduit or duct direction and locate blockages. The 33kHZ frequency is the UK standard Sonde frequency for most applications.

Product Product Code Dimensions (mm) øxL
General Purpose Sonde (33kHz) CL/YIRS-33 38 x 128

Key Features:

  • Battery powered transmitter that issues a 33kHz signal output
  • Signal 32,768KHZ continuous
  • Battery 1 x AA Alkaline Battery life 100+ hours
  • M10 threaded stud
  • Construction – ABS Plastic / Stainless Steel
  • Weight 150g
  • Small, torpedo-shaped and hermetically sealed
  • Robust and rugged plastic casing – IP68 Waterproof
  • Range of up to 7m dependent on locator
  • A cost effective and easy solution to locating blockages in non-metallic pipes
Find a product

Find the product or products you are looking for and add them to your quote basket

Get a quote

Submit your basket to our experienced sales team so we can quote you competitively


Once you are happy with your quote we will be pleased to receive your order

Have a Question?

Speak to one of our experts. Our experienced team are available in the office Monday – Friday 8am until 5:30pm so please give us a call or send us your enquiry.