Statex Engineering [P] Ltd manufactures Semi Automatic Instrument Jaws with Auto Pre-Tension Mechanism under the name of Tensostate - Junior. 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. Semi Automatic Instrument with Auto Pre-Tension Mechanism falls under the category of Yarn Testing Instruments. This instrument comes in a tabletop model and is a user-friendly instrument. All the test parameters like number of tests, specimen length and test speed can be entered in the computer through it. The breaking load is measured by high precision load cell. The automatic and quick return of moving jaw to the starting position immediately after completion of test enables easy and more tests per hour. The design of pneumatic jaws with auto pre-tension mechanism of this Semi Automatic Instrument ensures better grip on yarns to obtain accurate results.