Axial Extensometers with Multiple Gage Lengths
These axial extensometers are available in multiple gage lengths to provide flexibility to run a variety of tests without recalibration. They are designed to measure and control strain on a variety of different specimen types.
Applications
Tension
Compression
Fatigue
Test Specimens
Metals
Plastics
Polymers
Rubber
Composites
Test Standards
ASTM D3039
ISO 527-2
ISO 527-5
Full Product Information
Features
Measure and control strain on a variety of different specimen types using this configurable extensometer
Features multiple gage lengths to provide flexibility to run a variety of tests without recalibration
9 gage lengths available between 10 mm and 50 mm in the metric models
6 gage lengths available in the US customary models
Easy gage length changeover reduces set-up time between tests
Quick attachment fixtures are included and can accommodate:
Round specimens with diameters from 2.5 to 14.0 mm (0.10 to 0.56 in)
Flat specimens ranging in thickness from 10.5 to 26.0 mm (0.42 to 1.02 in)
Meets or exceeds requirements for calibration according to ASTM E83 Class B2 and ISO 9513 Class 0.5 standards
Detailed Technical Specifications
Axial Extensometers with Multiple Gage Lengths
Metric Units
AVAILABLE GAGE LENGTHS
MEASURING RANGE (% STRAIN, ROUNDED TO NEAREST 1%)
10 mm
+40% / -20%
15 mm
+27% / -13%
20 mm
+20% / -10%
25 mm
+16% / -8%
30 mm
+13% / -7%
35 mm
+11% / -6%
40 mm
+10% / -5%
45 mm
+9% / -4 %
50 mm
+8% / -4%
US Customary Units
AVAILABLE GAGE LENGTHS
MEASURING RANGE (% STRAIN, ROUNDED TO NEAREST 1%)
0.500 in
+40% / -20%
0.750 in
+27% / -13%
1.000 in
+20% / -10%
1.500 in
+13% / -4%
1.750 in
+11% / -6%
2.000 in
+10% / -5%
Metric Units
INCLUDES QUICK ATTACHMENT KIT
MODEL NUMBER
GAGE LENGTH
MEASURING RANGE (%STRAIN)
HEIGHT MIN/MAX
LENGTH
TEMPERATURE RANGE MIN/MAX
ACTIVATION FORCE
FOR FLAT AND ROUND SPECIMENS
PART NUMBER
634.31F-2x
See Above
See Above
32.5 mm / 59.4 mm
73.8 mm
634.31F-21
-269°C / 65°C*
32 g
x
052-251-904
634.31F-24
-85°C / 120°C*
32 g
x
052-251-905
634.31F-25
-100°C / 175°C
40 g
x
052-251-906
Each 634.31E-2x extensometer includes components to set it to the nine gage lengths listed.
The extensometer weighs between 36 and 42 g, depending on the mass of the components in use.
US Customary Units
INCLUDES QUICK ATTACHMENT KIT
MODEL NUMBER
GAGE LENGTH
MEASURING RANGE (%STRAIN)
HEIGHT MIN/MAX
LENGTH
TEMPERATURE RANGE MIN/MAX
ACTIVATION FORCE
FOR FLAT AND ROUND SPECIMENS
PART NUMBER
634.31E-2x
See Above
See Above
2.9 in
634.31E-21
-452°F / 150°F*
40 g
x
052-251-901
634.31E-24
-120°F / 250°F*
40 g
x
052-251-902
634.31E-25
-150°F / 350°F
50 g
x
052-251-903
Each 634.31E-2x extensometer includes components to set it to the nine gage lengths listed.
The extensometer weighs between 36 and 42 g, depending on the mass of the components in use.
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