Classic Tensile Tester Experts
Strength of Materials Test Equipment Company
Rebuilt and retrofit universal test frames, accredited calibration, and on-site service for tensile testing systems. Serving customers for over 50 years.
Equipment & Services
Product Lines
Frames, cells, grips, and accredited calibration, all rebuilt, retrofit, and serviced in-house.
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Load Frames
Rebuilt and retrofit universal test frames, from single-column benchtops to high-capacity floor models.
ASTM E4ISO 7500-1Learn more -
Load Cells
Repair, replacement, and recalibration of tension and compression load cells, including S-type cells.
ASTM E4Learn more -
Grips & Fixtures
Tensile grips, capstan grips, and custom fixtures for soft, flexible, and deformable specimens.
ASTM D2256ISO 2062Learn more -
Extensometers
Clip-on and displacement extensometers, serviced and calibrated for strain and gage-length measurement.
ASTM E83ISO 9513ASTM E2309Learn more -
Calibration & Verification
A2LA-accredited, on-site force, displacement, and crosshead-speed calibration to ASTM and ISO methods.
ISO/IEC 17025ASTM E4ISO 7500-1ASTM E2658Learn more -
Repairs & Service
On-site and in-lab repair of Instron, MTS, Sintech, Tinius Olsen, and other OEM testing systems.
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Who We Serve
Industries Served
On-site calibration and service for regulated, industrial, and research laboratories.
Latest News
News & Insights
Calibration guidance, equipment spotlights, and service updates from our engineers.
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Calibration ServicesCalibration for Tensile Testing Equipment
Regular calibration safeguards the accuracy of tensile testing machines. See the ASTM and ISO methods we are accredited to perform.
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Grips & FixturesCord Capstan Tensile Grip
Rated to 2.5 kN (500 lbf), our self-tightening capstan grips deliver even stress distribution for cords, braided lines, and elastic tapes.
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Load FramesInstru-Met Tensile Testers
Built on 50 years of repairing every tester on the market, our machines carry an industry-leading 24-month warranty and no end-of-life policy.
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Compliance
Certifications & Standards
Instru-Met is proud to be an A2LA-accredited laboratory in the field of calibration. Our engineers perform force verification (compression and tension), extensometer and displacement calibration, and crosshead-speed verification to recognized ASTM and ISO methods.
- Force verification to ASTM E4 and ISO 7500-1
- Extensometer and displacement to ASTM E83, ISO 9513, ASTM E2309
- Crosshead speed to ASTM E2658
- A2LA Accredited Lab
- ISO/IEC 17025 Calibration
- ASTM E4 Force
- ISO 7500-1 Force
- ASTM E83 Extensometer
- ISO 9513 Extensometer
- ASTM E2309 Displacement
- ASTM E2658 Crosshead Speed