Digital Electronic Calibrators – Model 3590

  • When it comes time to calibrate your extensometers, these calibrators are easier to use and faster than any others on the market. They have enough measuring range to calibrate nearly all extensometers.
    The digital display reads mm and changes to inches at the touch of a button. The autozero button is a great help in calibrating. Just press the button to start readings from zero. The digital display reduces operator error.
    A wide range of adapters are available. The calibrator comes with smooth round adapters, of 9.52 mm diameter (0.375 inches). For special adapters, contact Epsilon. For very long gauge length extensometers, an optional extension post is available. An option is available for digital SPC output for interfacing with PCs. The calibrator is provided with a calibration traceable to NPL (UK standards organization).

  • • Digital display
    • Autozero button simplifies readings
    • Adapters and extension posts available for nearly any extensometer
    • Foam lined case for storage included
    • System fully calibrated traceable to NPL (UK standards organization)

  • Optional extensometer adapter sets, extension posts, and horizontal configuration kit:

    3590-01 Smooth, round 6.35 mm (0.25 inch) diameter adapters

    3590-02 Adapters for flat specimens

    3590-3549 Adapters for Model 3549

    3590-3648 Adapters for Model 3648

    3590-03 Adapters for clip-on fracture mechanics gages

    3590-04 Transverse extensometer adapters (Model 3560)

    3590-11 Transverse extensometer adapters (Models 3575AVG, 3575, 3475, 3580, 3565, 3911 and 3975)

    3590-11-KIT Horizontal conversion kit for transverse extensometers -consists of legs for horizontal configuration, additional springs, and 3590-11 adapters; enables verification of transverse extensometers in the orientation that will be used for testing, as required by some calibration and verification standards

    3590-06 Adapters for large averaging extensometers (Models 3542RA and 3442RA1)

    3590-05 Circumferential adapters for Model 3544

    3590-4013 Shear adapters for Model 4013

    3590-3421 Shear adapters for Model 3421

    3590-07 100 mm (4 inch) extension post for long gauge length extensometers

    3590-55-10 250 mm (10 inch) extension post for long gauge length extensometers

    3590-55-24 600 mm (24 inch) extension post for long gauge length extensometers

    Custom- contact Epsilon for adapters to fit Models 7650A, 7650, 7651, and 3567

    Note: Model 3590VHR and 3590 calibrators include 9.52 mm (0.375 inch) diameter smooth round adapters 


  • Measuring Range: 50 mm (2 in) Maximum displacement

    Maximum Range: 125 mm (0-5 in) (Maximum gauge length + displacement)*

    Accuracy: ±0.004 mm/25 mm (±0.00015 in/in)

    Resolution: 0.001 mm (50 μin)

    Temperature Range: 18℃ to 28℃ (64°F to 82°F) operation**, -10℃ to 60℃ (14°F to 140°F) storage

    Relative Humidity: <90% (Non-condensing)

    Power Supply: 2x SR44 Batteries (included), ~2 year life

    Weight: 6 lbs (standard configuration)*

    Adapters: φ0.375” (9.52mm) adapter set included*

    Environmental: EU Directive 2011/65/EU (RoHS)

    * Other options available upon request

    ** Recommended range 


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Class ：Calibrators
Epsilon’s standard calibrator features 50 microinches (0.001 mm) resolution and has 2 inches (50 mm) of measuring range. The autozero button and digital display greatly simplify calibration of extensometers. The 3590 calibrator is useful for extensometer calibration and verification with test systems.