EXTENSOMETERS
Materials Reliability Inc. - The Premier Source for Strain Measurement in Cryogenic Tensile Tests
Model # MR-EXT-001-25-2.5
Temperature Range: 300 K to 4 K
ASTM E83 Class: B1
Gage Length: 25 mm
Range: 2.5 mm
Cryogenic Extensometers for Flat Specimens and Tapes
- Versatile high-resolution extensometers for low-temperature tests
- Designed for tensile testing according to ASTM E8 and ASTM E1450
- Light weight, easy set-screw attachment, comes in 2 different spring force ratings; the lower spring force is intended for delicate specimen strain measurements
- Custom designs available upon request
Model # MR-EXT-003-25-2.5
Model # MR-EXT-003-25-5
Temperature Range: 300 K to 4 K
ASTM E83 Class: B1
Gage Length: 25 mm
Range: 2.5 mm
- Set of 3 Averaging high-resolution Extensometers for Cylindrical Tensile Specimens
- Versatile high-resolution extensometers for low-temperature tests
- Available with either 2.5 mm or 5 mm range
- Three extensometers are used on round tensile specimens with diameters from 5 mm to 7 mm
- Extensometer collars are set up on a 25-mm gage length and retain positive attachment for the design strain range.
- The outputs of the three extensometers are averaged for modulus determination according to ASTM E111.
- Safe fall design ensures long extensometer life
- Custom designs available upon request
Knife Edge Gage Length: 2.5 mm
Displacement range: 5 mm
Temperature Range: 4 K to 300 K
Weight: 2.5 g
Full Bridge 350 Ω strain gage design: Excitation 2 to 5 V DC
Lead wire: 2 ft of (4) conductor-shielded Teflon cable
Flat Specimen Clevis Grips Low Temperature Tensile Tests of Flat Specimens
- Grip Model MR-FTSCG-6
- Typically used for low-temperature tests at liquid nitrogen (77 K) or liquid helium (4 K)
- Grips and Pins are made of High Strength Maraging Steel
- Clevis Grip Gap = 6.5 mm
- Pull Rod female interface thread of M16x1.75
- Maximum load capacity = 75 kN
Custom design grips are available upon request.