Universal Engineering Corporation manufactures Digital Bursting Strength Tester. Universal Engineering Corporation is an ISO 9001 awarded company. The company manufactures Package Testing Instruments and Paper Testing Instruments. The Digital Bursting Strength Tester has a test piece, placed over a circular elastic diaphragm, is rigidly clamped at the periphery but free to bulge with the diaphragm. Hydraulic fluid is pumped at the constant rate, the diaphragm until the test piece is the maximum value of the applied hydraulic pressure.