Transmitter / Locator

Transmitter / Locator

Probe to locate blockages in pipes

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Fisher Sonde Signal Transmitter

Fisher Sondes are small transmitters used to trace the path of non-metallic pipes and locate blockage in lines. Sondes are inserted into a pipe or duct by means of a push rod and located using a Fisher receiver. Fisher offers 4 sondes for use with your line locator at various frequencies.


  • Rugged Design
  • Long Batery Life
  • Outstanding Distance & Depth
Operating Frequency512 Hz8.2 Hz81.92 kHz82 Hz
Weight8.0 oz8.0 oz6.4 oz6.4 oz
Length/Height6 inches6 inches6 inches6 inches
Battery Life17.0 hrs72.0 hrs70.0 hrs70.0 hrs
Depth15 ft20 ft20 ft20 ft
Operating Temperature-20 to +60 C-20 to +60 C-20 to +60 C-20 to +60 C
End Cap Thread Count3/8"-16 x 3/4"3/8"-16 x 3/4"3/8"-16 x 3/4"3/8"-16 x 3/4"