Technical Specification Current meter propeller type To determine velocity of flowing water. An also connect current meter with an automatic counter. Measurable depth: max 3m Accuracy: 2%as reading at 0.3m/s Accurate measurement of velocities between 0. 025 to 5m/sec Made in helical shape in free flow of water around the streamlined blades. Supplied with co- axial suspension cable and 11m thimble Snap hook, suspension rod with electrical cable 2 core-10m long Wadding rod 3m long with base plate in canvas cover.