Kirti NDT Manufacture and Supply Single Purpose Hi-Lo Gauge Features: ➢ Measure Root Weld Space ➢ Measure Internal Misalignment ➢ Range 0-30mmScale 1mm (mark 1 Corresponds 0 mm, mark 4-3mm) ➢ Accuracy +/- 0.15mm ➢ Made of high quality steel, this gauge is durable and not easily scratched ➢ Widely used for welding inspection of boiler, shipbuilding, bridge, pressure vessel and oil pipeline ➢ This welding gauge measures internal alignment of pipe after fit-up/alignment ➢ Small size and light weight, it is convenient to carry and easy to use ➢ Gauge surface is clearly marked by which is wear-resisting and ensures a clear reading