The light weight instrument is supplied in two parts for assembling on site with easy hand tools. In use end of the beam rests at a point under investigation while the beam the beam is pivoted at the centre. The free end carries a dial gauge to record the deflections. The other end kept on a stable platform. The beam ratio is 2:1 which magnifies even small deflections. Supplied with a dial gauge 0.01 x 25 mm. This is a light weight dismantleable instrument and easy to carry.