Standard Flat gauge plates with metre markings - screen printed black enamel on white coated aluminium, 1000mm x 130mm x 0.6mm.
Standard Flat gauge plates with metre markings are screen printed black alkyd enamel on white coated aluminium. The aluminium is H34 5005 and the gauge plates are 0.6mm x 1000mm x 130mm with the markings allowing depths to be measured at 10mm increments.
The Gauge plates are used as a manual method of measuring dam and flood water depths.