Utility Mapping Radio Detection SuperSonde

Sondes are battery powered transmitters whose signals are used to indicate their position when inserted into an underground duct, drain or sewer, or when attached to moving objects such as cameras or boring tools. The Radio Detection Super Sonde operates at either 8 or 33 khz. It is powered from a 9v battery and has an operating time of approximately 15 hours. Signal can be measured at a distance of 50 ft. through the air.