transparent cylinder mounted on a stand. differential lever mechanism with adjustable load screw mechanism & dead weight to measure the force. sump tank ms powder coated measuring tank ms powder coated with drain two nozzles with inside section straight taper ,curved taper semicircular vane with angle of deflection 180° curved vane with angle of deflection 135° horizontal flat vane angle of deflection 90° 60° inclined flat vane 30° inclined flat vane. .