Description
These levels have ground and graduated main vials. All sizes have a cross-test vial except the 100mm (4”) model.
The 300mm (12”) model also has a plumb vial, and the 450mm (18”) size has a double plumb vial. These vials are adjustable to a positive setting and are housed in a satin chrome-finished brass tube with a friction-fit closing cover to prevent breakage.
The base of the levels features an involute groove running the length of the base, which provides a reliable seat for round work such as pipes or shafting. With the cross-test vial, it is possible to simultaneously level in both directions. This prevents inaccuracies in the main vial reading caused by canting the level sidewise on round work.
The 150-450mm (6-18”) main level vials have graduations that are approximately 80-90 seconds or 0.42mm per metre (.005″ per foot). Depending on the base length, there are five, six, or seven lines on each side of the bubble.
- Size inch: 4
- Size mm: 100
- Description: Without Cross Test Vial
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