Strain Gauge Type Extensometers for Strain Measurement

上海仪舶实验室自动化 25-01-23 16:19:34

Strain Gauge Type Extensometers for Strain Measurement

Tinius Olsen's extensometers are designed to measure strain, the variation in length of a specimen divided by the specimen’s original length (gauge length). An extensometer measures strain by means of knife edges which contact the sample. This series of extensometer has strain gaged devices.

The models in this series of extensometer can be used to measure either transverse or longitudinal strain, or can be used in combination for defining Poisson’s ratio and ‘r’-value.

The main advantages of using strain gage type extensometers are given below:

Can be left on specimen through failure

Low operating force

Lightweight to minimize any influence on the test

Rugged construction to withstand rigors of operation

SG Models - English Units

Model Measuring Range Gage Length Direction
SG-20%-2 20% 2 in Longitudinal
SG-20%-1.4 20% 1.4 in Longitudinal
SG-20%-1 20% 1 in Longitudinal
SG-20%-0.5 20% 0.5 in Longitudinal
SG-50%-2 50% 2 in Longitudinal
SGT-10%-1 +/- 0.1 in 0 to 1 in Transverse

SG Models - Metric Units

Model Measuring Range Gage Length Direction
SGM-20%-50 20% 50 mm Longitudinal
SGM-20%-25 20% 25 mm Longitudinal
SGM-20%-80 20% 80 mm Longitudinal
SGM-50%-80 50% 80 mm Longitudinal
SGM-50%-50 50% 50 mm Longitudinal
SGM-100%-50 100% 50 mm Longitudinal
SGMT-10%-25 +/-2.5 mm 0 - 25 mm Transverse

Strain Gauge Type Extensometers for Longitudinal or Traverse Strain Measurement

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