CAT4 Locating Receiver


Receiver – C.A.T4® Locator

Find, follow and map detectable duct rod and copper based cables that are located in nonmetallic duct.

The receiver is an industry standard locator and provides fast, accurate and reliable providing repeatability locating with detectable duct rods or sondes.

The receiver features a high-contrast, backlit LCD screen that provides the user with clear information. The intuitive and responsive interface is designed so the operator can access features with ease.

Key Features:
  • Rugged
  • Light weight
  • IP54 Rating – you can operate it in almost any environment
  • High contrast backlit LCD screen
  • Battery Powered (2 x D-cells supply 30 hours use)
  • Frequency industry standard 33 kHz

P/N 88273   Receiver   Weight: 5 lbs. (2.3kg)

Genny 4 Transmitter

Transmitter – Genny4®

The transmitter, an industry standard, is used with the the receiver to find, follow and map traceable duct rod. The transmitter provides an industry standard 33 kHz signal. The transmitter is ergonomically designed and has a lightweight, well-balanced case.

The base tray also provides storage for accessories.

The transmitter comes standard with direct connection leads and a ground spike.

Key Features:
  • Ergonomic robust ABS case
  • Signal Boost button
  • Powered by 4 x D-cells
  • Base tray for accessories
  • Active Frequency: 33kHz

P/N 88274   Transmitter   Weight: 6 lbs. (2.7 kg)


The sonde is a small self-contained transmitter that connects to the end of the duct rod. The sonde will help trace the duct route and can also locate duct blockages or collapses.

The sonde’s 33kHz signal is picked up by the receiver. The sonde is only 0.7″ in diameter, so it will fit into most inner ducts.

The sonde, depending on conditions, can be located up to 13 feet below grade

Key Features:

  • Rugged construction
  • Small size
  • Battery powered
  • Used with Sonde Adapter P/N 89394
  • Uses 1 DL 1/3N battery that gives 8 hrs. of continuous use.
  • Note: transmitter is active when battery is installed. Remove after use to conserve drainage.
  • Sonde Frequencies: 33kHz

P/N 88283   Sonde   Weight: 3 oz. (.1 kg)
P/N 89394   Sonde Adapter M10 x 1.5 (female/female thread)   Weight: 1.76 oz. (.05 kg)

Sonde Missile  (here for more info)

The sonde missile safely carries the Sonde P/N 88283 through a duct with compressed air in order to test the integrity of a duct or precisely locate a blockage.
Sonde sold separately.


Traceable Rod Detection