Ø SMARTRAK 3，支持被动磁场检测及直流电D.C检测
Ø SMARTRAK 6，支持主动交流电——A.C（Tone）检测
Ø SMARTRAK 9，支持被动磁场、直流电D.C及交流A.C（Tone）检测
被动磁场管线追踪最少需要3个磁力梯度仪（grads），A.C. tone管线追踪至少需要2个三维磁场传感器。
Target Type | Smartrak 3 | Smartrak 6 | Smartrak 9 |
Comms cable (13mm) | Range to1.5m | Tone only | Range to 1.5m or Tone |
Comms Cable 13mm (Magnetised) | Range to 3m | Tone only | Range to 3m or Tone |
Pipeline 12” | Range to 3m | - | Range to 3m |
3 Phase power cable (LIVE) | Range dependant on net current | Range dependant on net current | |
Power cable 100mm | Range to 1.5m | Tone only | Range to 1.5m or Tone |
Power cable 100mm (Magnetised) | Range to 3m | Tone only | Range to 3m or Tone |
DC power Cable | Range dependant on current | - | Range dependant on current |
Number of sensors | Up to 8 (5 fwd, 3 aft) | 2 at present, 4 later | Up to 12, including rear |
Rear array for target heading | Yes | Yes | Yes |
Size | Small | Small | Small |
Weight | Light | Light | Medium |
Power | DC | DC | DC |
