RADIO DETECTION 33 kHz S18A MINI SONDE 10/S18/82-33-000 NEW the S18A sonde can transmit a 33kHz locate signal up to 12ft deep. It is used to locate pipe and cable when matched with a Radiodetection receiver. The sonde measures 0.7" in diameter and 3.25" in length. Different end caps can be selected for a special fit to a push rod.
DEPTH LOCATING TO 4 METERS