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Axial Extensometers with 25 mm (1 in.) Gage Length

These axial extensometers are ideal for test applications that require a measurement footprint of 25 mm (1 in.) gage length.

  • Compression
  • Tension
  • Fatigue
  • Metals
  • Plastics
  • Rubber
  • Composites
  • ASTM D638
  • ISO 527-4
  • ISO 527-5
  • EN 2561
  • EN 2597
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FULL PRODUCT INFORMATION

  • Ideal for a variety of applications including metals, plastics, rubbers, and composites
  • Low activation force without slipping on your specimen
  • High natural frequency and sensitivity make them useful in determining properties during failure
  • Select the -21 model for cryogenic testing down to -269°C (-452°F)
  • All part numbers include knife edges, quick attachment fixtures for flat and round specimens, and standard elastic attachment kit
  • Meets or exceeds requirements for calibration according to ASTM E83 Class B1 and ISO 9513 Class 0.5 standards

Metric Units

MODEL NUMBER

GAGE LENGTH

MEASURING RANGE (% STRAIN)

HEIGHT

LENGTH

TEMPERATURE MIN/MAX

ACTIVATION FORCE

ATTACHMENT KIT

PART NUMBER

634.11F-2x

25 mm

+20% / -10%

33.0 mm

73.4 mm

 

 

 

 

634.11F-21

 

 

 

 

-269°C / 65°C*

35 g

x

052-251-807

634.11F-24

 

 

 

 

-85°C / 120°C*

35 g

x

052-251-808

634.11F-25

 

 

 

 

-100°C / 175°C

45 g

x

052-251-809

634.11F-5x

25 mm

+20%

33.0 mm

73.4 mm

 

 

 

 

634.11F-54

 

 

 

 

-85°C / 120°C*

35 g

x

052-251-811

634.11F-55

 

 

 

 

-100°C / 175°C

45 g

x

052-251-812

634.12F-2x

25 mm

+50% / -10%

33.0 mm

82.8 mm

 

 

 

 

634.12F-21

 

 

 

 

-269°C / 65°C*

45 g

x

051-191-507

634.12F-24

 

 

 

 

-85°C / 120°C*

45 g

x

051-191-508

634.12F-25

 

 

 

 

-100°C / 175°C

55 g

x

051-191-509

634.12F-5x

25 mm

+50%

33.0 mm

82.8 mm

 

 

 

 

634.12F-51

 

 

 

 

-269°C / 65°C*

45 g

x

051-191-510

634.12F-54

 

 

 

 

-85°C / 120°C*

45 g

x

051-191-511

634.12F-55

 

 

 

 

-100°C / 175°C

55 g

x

051-191-512

 

US Customary Units

MODEL NUMBER

GAGE LENGTH

MEASURING RANGE (% STRAIN)

HEIGHT

LENGTH

TEMPERATURE MIN/MAX

ACTIVATION FORCE

ATTACHMENT KIT

PART NUMBER

634.11E-2X

1.00 in

+20% / -10%

1.30 in

2.89in

 

 

 

 

634.11E-21

 

 

 

 

-452°F / 150°F*

35 g

x

052-251-801

634.11E-24

 

 

 

 

-120°F / 250°F*

35 g

x

052-251-802

634.11E-25

 

 

 

 

-150°F / 350°F

45 g

x

052-251-803

634.11E-5X

1.00 in

+20%

1.30 in

2.82 in

 

 

 

 

634.11E-54

 

 

 

 

-120°F / 250°F *

35 g

x

052-251-805

634.11E-55

 

 

 

 

-150°F / 350°F

45 g

x

052-251-806

634.12E-2X

1.00 in

+50% / -10%

1.30 in

3.26 in

 

 

 

 

634.12E-21

 

 

 

 

-452°F / 150°F*

45 g

x

051-191-501

634.12E-24

 

 

 

 

-120°F / 250°F*

45 g

x

051-191-502

634.12E-25

 

 

 

 

-150°F / 350°F

55 g

x

051-191-503

634.12E-5X

1.00 in

+50%

1.30 in

3.26 in

 

 

 

 

634.12E-54

 

 

 

 

-120°F / 250°F*

45 g

x

051-191-505

*These units may be used at 25°C (50°F) higher than the listed temperatures, but only for durations less than 24 hours.