Statex Engineering [P] Ltd manufactures Device for Optimal Mass Measurement or Electrostelo. Statex Engineering [P] Ltd offers a complete range of Fibre and Yarn Testing Instruments. The production of these instruments is backed by a strong R & D team for conducting field trials and endurance test within house. Electrostelo is used to measure the breaking strength of a flat bundle sample of fibres. The optical mass measurement present in the electrostelo makes the result quick and accurate. Its breaking strength is highly correlated with stelometer breaking strength.