The Sentinel inspection system from Aries is an integrated system with components operated by an all-in-one controller. The compact, portable unit combines a tractor, camera and lightweight reel. The control unit has an 8.4-inch LCD screen and internal DVR and can be hand-held or mounted on a desktop. The tractor has various wheel sizes and can be set up for standard operation in 6- to 15-inch pipe. A large line kit facilitates navigation in pipes up to 36 inches. The pan-and-tilt camera has auto focus, white balance and a 40:1 optical zoom. 800/234-7205;

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