Click on the link or photo of the models listed below to see the individual extensometer data sheets. For models without active links, please contact Calibration Services for detailed information.

Laser Extensometers
Model LE-01 and LE-05

High Temperature Extensometers
& Furnace Systems

For Use to 1200 °C, Model 3448 Self supporting model, for use in furnaces and with induction heating. Gage lengths from 10 to 50 mm and 0.5 to 2 inches. Travel ranges from 5 to 50 percent strain.

For Use to 1200 °C or 1600 °C, Model 3548 Externally supported model, for use in furnaces or with induction heating. Gage lengths from 10 to 50 mm and 0.5 to 2 inches. Travel ranges from 5 to 50 percent strain.

Diametral or Transverse, Model 3580 Measures change in diameter or width at temperatures to 1000 °C

To 540 C, Uncooled, Model 3555 For use in chambers where no cooling is possible. Gage lengths from 10 to 50 mm and 0.5 to 2 inches. Travel ranges from 5 to 20 percent strain.

Transverse and Diametral
Extensometers

Transverse (Diametral), Model 3575 For use on round or flat samples. Adjustable from 0-25 mm or 0-1 inch width Travel ranges from 0.5 to 2.5 mm and 0.02 to 0.1 inches. May be used simultaneously with axial extensometers like the model 3542.

Sheet Metal r-Value, Model 3575AVG Transverse strain measurement for r-value testing. Used with 3542. Averages transverse strain measured at 2 points. See also the model 3580 listed under high temperature extensometers above.

Bi-Axial Extensometers

Bi-Axial and Axial Averaging, Model 3560 Single unit measures longitudinal and transverse strain. Also available as averaging axial unit alone.

Axial/Torsional Extensometer, Model 3550 Self supporting version for moderate temperatures. Also high temperature version for use with furnaces, to 1200 C.

Fracture Mechanics Gages

Clip-On Gages, Model 3541 For fracture mechanics testing. Compressed gage lengths from 3 to 20 mm and 0.2 to 0.5 inches. Travel ranges from 1 to 12 mm and 0.1 to 0.5 inches.

Rock, Concrete and Asphalt Testing

Axial Averaging, Model 3542RA For concrete and rock compression tests. Gage lengths from 25 to 200 mm and 1 to 8 inches. Travel ranges from 1.2 to 6 mm and 0.05 to 0.25 inches. Diameters to 200 mm and 8 inches.

Circumferential Extensometer, Model 3544 Normally used for concrete and rock compression tests. Diameters to 200 mm and 8 inches. Travel ranges from 6 to 12 mm and 0.25 to 0.5 inches.

Asphalt Testing, Models 3910 and 3911 For creep compliance, tensile strength and indirect tensile testing.

Deflection Measurement
(Deflectometers)

Deflection Measurement, Model 3540 For bend and compression tests, or any test needing deflection measurement. Travel ranges of 1 to 25 mm and 0.05 to 1 inch.

Calibrators

Digital Calibrator, Model 3590 Digital electronic extensometer calibrators. 50 mm and 2 inches travel.

Electronics

Signal Conditioner, Model ASC NEW: Complete analog signal conditioner for strain gaged sensors. Available in 1 to 4 channel versions. Includes power supply.

Excitation Supply, Model ECX-1 Provides precise DC voltage to power strain gaged sensors.

Digital Strain Meter, Model DSM-1 Displays strain readings in engineering units. Includes analog output.

High Accuracy Digital Strain Meter Model DSM-2 High accuracy, fast meter. Includes analog output. RS232 digital communications available as an option.

Multiple Range Strain Meter, Model DSM-Plus NEW: High accuracy, with multiple calibration ranges possible. Dual channel version allows low cost of getting load and strain for stress-strain plots. Analog and RS232 digital outputs