These long-travel axial extensometers are ideal for test applications that require a measurement with a 50 mm (2 in.) gage length. They are well-suited for tensile testing of plastics, rubber and elastomers.
Metric Units
MODEL NUMBER | GAGE LENGTH | MEASURING RANGE (% STRAIN) | HEIGHT | LENGTH | TEMPERATURE MIN/MAX | ACTIVATION FORCE | ATTACHMENT KIT | PART NUMBER |
634.25F-2x | 50 mm | +50% / -10% | 58.4 mm | 151.4 mm |
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634.25F-21 |
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| -269°C / 65°C* | 30 g | x | 051-191-607 |
634.25F-24 |
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| -85°C / 120°C* | 30 g | x | 051-191-608 |
634.25F-25 |
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| -100°C / 175°C | 45 g | x | 051-191-609 |
634.25F-5x | 50 mm | +50% | 58.4 mm | 151.4 mm |
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634.25F-54 |
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| -85°C / 120°C* | 30 g | x | 051-191-611 |
634.25F-55 |
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| -100°C / 175°C | 45 g | x | 051-191-612 |
US Customary Units
MODEL NUMBER | GAGE LENGTH | MEASURING RANGE (% STRAIN) | HEIGHT | LENGTH | TEMPERATURE MIN/MAX | ACTIVATION FORCE | ATTACHMENT KIT | PART NUMBER |
634.25E-2x | 2.00 in | +50% / -10% | 2.3 in | 5.96 in |
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634.25E-21 |
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| -452°F / 150°F* | 30 g | x | 051-191-601 |
634.25E-24 |
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| -120°F / 250°F* | 30 g | x | 051-191-602 |
634.25E-25 |
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| -150°F / 350°F | 45 g | x | 051-191-603 |
634.25E-5x | 2.00 in | +50% | 2.3 in | 5.96 in |
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634.25E-51 |
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| -452°F / 150°F* | 30 g | x | 051-191-604 |
634.25E-55 |
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| -150°F / 350°F | 45 g | x | 051-191-606 |
*These units may be used at 25°C (50°F) higher than the listed temperatures, but only for durations less than 24 hours. |
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