Selection table:  How to choose the right locator equipment
Instrument Magnetic Metals Live Electric Line Tracing
(no power)
Stray Radio (phone lines, etc.)
Fisher TW-6 x   x  
Schonstedt 52GA x      
Schonstedt MAC 51-B x   x  
Metrotech 810 (low frequencies)     x  
Pipehorn PH-50 (high frequencies)     x  
Radiodetection RD 400   x x  
Radiodetection RD 4000, RD 8000   x x x
C.A.T. Plus 3   x   x
C.A.T. Plus 3 w/ Genny   x x x
50/60   x