Digital Bursting Strength Tester is designed to yield the accurate result and repeatability by incorporating electronic automatic pressure release system. The Tester is utilized for measuring the bursting strength of paper strong paperboard by submitting it to an increasing uniform hydraulic pressure. The Bursting Strength Tester operates on 1/4 horsepower motor and single phase 220/250 volts AC. Digital Bursting Strength Tester drives the hydraulic system and produces uniform increasing pressure of a rate of 170 ml/minute to ±5 ml/minute.