Device for measuring the height of the column of liquid in a tank. For each tank a table gives the correspondence between this value and the volume of liquid.
Ruler in duralumin or AU 4G Support in black anodized ASG
Divisions in mm; 0 below Numbering in cm.
U profile
Anti-Spark
Graduation: engraved
Total height of the ruler: between 3 m and 4.50 Width: 30 mm