


Averaging for Small Specimens
Miniature Averaging Axial Extensometers – Model 3442RA1 With gauge lengths of 25 and 50 mm (1 and 2 inches) and measuring ranges of 1.2 and 2.5 mm (0.050 and 0.100 inches), the Model 3442RA1 was designed for applications where tensile or compressive strength...
Circumferential – Rock and Concrete
Circumferential Extensometers – Model 3544 Designed for concrete and rock compression testing or for compression tests on other large samples. This model may be used simultaneously with the Model 3542RA axial extensometers. Epsilon extensometers are COMPATIBLE...
Performance Testing of Asphalt
Extensometers for Simple Performance Testing of Asphalt – Model 3909 Designed for measuring axial displacements in the simple performance tests prescribed by NCHRP Report 465, and determining dynamic modulus of hot mix asphalt per AASHTO TP062. Epsilon...