Test, Lab, Medical equipment » Comparators

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Used test instrumente

  • Trusted Seller
    Lot of 25 Texas Instruments

    Lot of 25 Texas Instruments LM139JB Quad Differential Comparator NIB (YY0624-8)

    • Manufacturer: Texas Instruments

    Texas Instruments MPN: LM139JB NEW Lot of 25 Quad Differential Comparator New in Package 30 day warranty on all purchases. Your purchase will include what is pictured and described above ONLY.

    $39 USD
    Chattanooga, TN
  • Trusted Seller
    Auction
    Keyence IM-8030T Digital Microscope

    Keyence IM-8030T Digital Microscope

    • Manufacturer: Keyence
    • Model: IM-8030

    Keyence IM-8030T Digital Microscope, telecentric optical system, approx. 25x to 150x magnification range, 2 Megapixels camera resolution, LED illumination, USB, Ethernet, HDMI connectivity, AC 100-240V power supp...

    Blossburg, PA
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  • Trusted Seller
    Starrett 657AA Magnetic Base Indicator

    Starrett 657AA Magnetic Base Indicator Holder

    • Manufacturer: Starrett

    Used Starrett 657AA Magnetic Base Indicator Holder.

    $105 USD
    Millis, MA
  • Trusted Seller
    OSG TAP AND DIE 4310

    OSG TAP AND DIE 4310 OPTICAL COMPARATOR

      OSG TAP AND DIE Model 4310 Optical Comparator, used condition. High-quality instrument for precise measurements. Ideal for any workshop requiring reliable optical inspection equipment.

      $300 USD
      Detroit, MI
    • Trusted Seller
      Orbeco-Hellige Lovibond AquaTester Optical Comparator

      Orbeco-Hellige Lovibond AquaTester Optical Comparator for Color of Water

      • Manufacturer: Lovibond

      The Aqua Tester is a precise, visual instrument for rapid and accurate tests in the lab. It is an advanced visual system for the measurement of the color of water and low chemical concentrations of many other par...

      $80 USD
      Montréal-Est, Canada
    • Trusted Seller
      Starrett RS.020A1

      Starrett RS.020A1

      • Manufacturer: Starrett

      The STARRETT RS.020A1 Gage Block is a precision instrument designed for accurate measurements in industrial and scientific applications. This individual gage block has a dimension of 0.020 inches, making it suita...

      Cary, NC
    • Trusted Seller
      TECLOCK A1-51D

      TECLOCK A1-51D

      • Manufacturer: TECLOCK

      The TECLOCK A1-51D Dial Indicator is a precision measuring instrument known for its accuracy and reliability in various industrial and mechanical applications. With a measurement range of 0-1 inch, this dial indi...

      Cary, NC
    • Trusted Seller
      Starrett 81-228

      Starrett 81-228

      • Manufacturer: Starrett

      The STARRETT 81-228 Dial Indicator is a precision instrument designed for accurate measurements in industrial and mechanical applications. With a measuring range of 0-0.03 inches and 0.0005-inch graduations, this...

      Cary, NC
    • Trusted Seller
      Jones & Lamson FC-30, 5X

      Jones & Lamson FC-30, 5X LENS, QUADRA-CHEK 2000 DRO

      • Manufacturer: Jones & Lamson

      30" JONES & LAMSON MODEL: FC-30 OPTICAL COMPARATOR WITH QC 2000 DRO ****** 5X LENS ****** S/N: E-23094 SCREEN DIAMETER ................ 30" SIZE OF WORKTABLE .............. 6" X 30" TRAVEL OF WORK TABLE: LONGIT...

      Harrison, NJ
    • Trusted Seller
      Federal 130B-16 R5 Gage Block

      Federal 130B-16 R5 Gage Block Comparator

      • Manufacturer: Federal

      Federal 130B-16 R5 Gage Block Comparator This Federal 130B-16 R5 Gage Block Comparator is in great working condition. The manual adjustments function properly. The cable is clean and in good condition. The 130B-1...

      $9,995 USD

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      Est. $196/mo

      Converse, TX
    • Trusted Seller
      Nikon V-12B Optical Comparator/Profile Projector

      Nikon V-12B Optical Comparator/Profile Projector 12” Display with 50x, 100x lens

      • Manufacturer: Nikon
      • Model: V-12

      PLEASE REVIEW: We would ask that potential buyers please view the photographs carefully, and understand what you are buying. All questions must be submitted PRIOR to auction close. *Your purchase includes a 30 da...

      $4,000 USD
      Suwanee, GA
    • Nikon V-12A Optical Comparator w/

      Nikon V-12A Optical Comparator w/ 10X 20X 50X 100X Lenses Quadra-Chek 2000

      • Manufacturer: Nikon
      • Model: V-12

      “Used – Excellent working conditionRemoved from a clean lab environment and stored in a climate-controlled facility. Fully tested and operational. One lens has a known defect (see details below).” Description: Up...

      $5,500 USD

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      Est. $108/mo

      North Charleston, SC
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      Ametek Talyvel 5

      • Manufacturer: AMETEK Powervar

      Universally accepted as the best in their field, Taylor Hobson’s Talyvel Electronic Level systems provide versatile and precise measurement for a wide variety of industrial, optical alignment (when used with Tayl...

      Farmingdale, NJ
    • Digital Shade Guide Tooth Color

      Digital Shade Guide Tooth Color Comparator Lab 110v

      • Manufacturer: CREXIDENT

      Dental Digital Shade Guide Tooth Color Comparator Sets Cordless for Dental Lab use The Digital Shade Guide is a machine provided shade guides of the VITAPAN classical A1-D4 shades (VITA16), VITA system 3D-master ...

      $550 USD
      Sacramento, CA
    • Schlumberger Tech 97911054 C/H Comparator

      Schlumberger Tech 97911054 C/H Comparator

      • Manufacturer: Schlumberger

      Unabel to fully test INCLUDES: Schlumberger Tech 97911054 C/H Comparator System was de-installed in working operational condition. All returns must comply with stated Return Policy. Please continue: PAYMENT OPTIO...

      $280 USD
      Santa Barbara, CA
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    Overview

    Comparators are precision instruments used to measure small deviations in dimensions by comparing the part being measured with a standard. They are essential in quality control processes in manufacturing, ensuring parts meet exact specifications. Common types include dial, digital, and optical comparators.

    FAQ

    What should I consider when buying a used comparator?

    Check for accuracy, calibration records, and any signs of wear or damage. Ensure it meets your specific measurement needs and industry standards.

    How do I ensure the comparator is shipped safely to my location?

    Use specialized packaging to protect delicate components. Consider using a shipping service experienced in handling precision instruments.

    What is the maintenance schedule for a comparator?

    Regularly clean the instrument to prevent dust build-up, and verify calibration periodically. Follow the manufacturer’s guidelines for detailed maintenance procedures.