Pipe location systems use a variety of technologies to detect underground utilities. The objective always is to make locating as easy as possible for technicians while also ensuring high accuracy.The TraceMaster II system from Schonstedt Instrument Co. can be used in any of three modes to allow operators to map sewer and water pipes and other buried infrastructure. When it is possible to send a probe into the target line, the system is used with a sonde that sends a 512 Hz signal to the handheld receiver. The sonde is typically used in sewer lines of any composition, including clay,
