Strain Gauge Extensometers0 pages
TD-2006
Strain Gage Extensometers
Extensometers measure strain, the change
in length of a specimen divided by the
original length (gauge length) of the
specimen. An extensometer measures
strain by means of knife edges which
contact the sample. This series of
extensometer comprises strain gaged
devices
The models in this series of extensometer
can be used to measure either longitudinal
or transverse strain, or can be used in
combination for determining ‘r’-value and
Poisson’s ratio.
Key advantages of using strain gage type
extensometers are as follows:
- Can be left on specimen through failure
- Lightweight to minimize any influence on
the test
- Low operating force
- Rugged construction to withstand rigors
of operation.
SG Models - English Units
Model
Measuring
Gage Length
Range
Direction
SG-20%-2
20%
2in
Longitudinal
SG-20%-1.4
20%
1.4in
Longitudinal
SG-20%-1
20%
1in
Longitudinal
SG-20%-0.5
20%
0.5in
Longitudinal
SG-50%-2
50%
2in
Longitudinal
+/- 0.1in
0 to 1in
Transverse
SGT-10%-1
SGM Models - Metric Units
Model
Measuring
Gage Length
Range
Direction
SGM-20%-50
20%
50mm
Longitudinal
SGM-20%-25
20%
25mm
Longitudinal
SGM-20%-80
20%
80mm
Longitudinal
SGM-50%-80
50%
80mm
Longitudinal
SGM-50%-50
50%
50mm
Longitudinal
SGM-100%-50
100%
50mm
Longitudinal
SGMT-10%-25
+/-2.5mm
0 to 25mm
Transverse
"