Advant Hire has range of portable CCTV survey units for hire. The main control unit and tractor unit is compact and light weight making it easy to carry into areas where access is difficult. It is also useful when working off road in fields. The unit comes with 150mtrs of surveying cable and can survey from 100mm to 450mm pipe work and also incorporates a pan and tilt head. A large tractor unit can be hired at an extra cost and can survey pipework from 300mm to 1100mm. The unit can be run off a small suit case generator.