Spring Extensometer

Model No.

Gauge Length (mm)

Deformation (mm)

Error

Note

ET-1

500

5 10 25

Better than 0.1%

For steel wire testing

250

200

100

For common tension testing

50

25

20

ET-2

50

For mean strain testing

50

25

ET-3

10

4

For fracture mechanics testing

5

2

ET-4

25

3

For testing r and radial strain

20

3

12.5

1

ET-5

100

1

Concentricityextensometer

ET-6

6

8

Torsion extensometer

Digital display extensometer DET-1

5 10 25

For tension testing

High-low temperature extensometer ET-7

5 10 25

Fro tension testing

ET-8

Within 1 mm

For testing concrete and rock