Optical Comparator Calibration

Optical comparators allow users to compare the size and shape of objects by looking at them through a magnifying lens. These devices reveal small details you can compare to a standard size or shape you must match. Calibrating them ensures their consistency, which is often vital in manufacturing applications to ensure proper assembly.

Garber Metrology provides on-site optical comparator and profile projector calibration services. We offer accredited calibrations, comparing measurement standards with instrument outputs to verify accurate and precise results. After calibration, we deliver a Certificate of Calibration traceable to NIST and instruct you about any necessary adjustments or repairs.

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The Calibration Procedure We Follow

Our team performs standard optical comparator calibration and X-Y linearity, magnification and angle calibration for your instruments. Here’s an overview of the process we follow:

  1. Prepare: Our technicians ensure the components are clean and work properly. We prepare a calibration standard for reference during the process.
  2. Adjust: We adjust the focus to create a clear image, set the magnification to the desired value and align the stage with the optical system. After adjustments, we place the standard on the stage.
  3. Calibrate: We compare the image on the screen with the standard to find discrepancies. Technicians fine-tune the optical comparator and repeat calibration as necessary for consistency and accuracy.
  4. Complete: After calibration, we document the process and results with any recommendations. Garber Metrology also issues a Certificate of Calibration.

The Importance of Optical Comparator Calibration

Optical comparators are vital in various manufacturing industries, including aviation, electronics, timekeeping and detection metering. These devices offer reliable measurements to confirm adherence to set tolerances and assembly practices.

Regular calibration ensures these devices measure and compare parts accurately and consistently. A well-calibrated optical comparator is essential for quality control, and some manufacturers require that their instruments be calibrated to comply with federal and industrial regulations. Expert calibration meets established standards and documents the calibration procedures performed.

Calibration ensures your instruments function at their best. During the process, expert technicians will identify errors or issues impacting performance and determine how to correct them.

An Accredited Calibration Laboratory

Garber Metrology is ISO 9001 Registered by NQA and ISO/IEC 17025 and ANSI/NCSL Z540-1-1994 Accredited by ANAB. These accreditations signify that our optical comparator and other calibration processes align with quality management standards set by leading industry organizations.

Here are a few other benefits we offer that improve the calibration process:

  • Quick turnaround: We understand the vital role of your dimensional equipment in your operations. Our technicians provide a five-business-day turnaround.
  • Flexible calibration: We can calibrate your instruments on-site or bring them to our accredited, temperature-controlled calibration laboratories.
  • Equipment pickup: If requested, we will collect and transport your equipment to our laboratory for off-site calibrations. We also offer shipping options for your convenience.
  • Extensive service area: We provide optical comparator calibration across the Northeast, serving Pennsylvania, Maryland, New Jersey, New York, Connecticut, Delaware and Washington, D.C.

Here are a few other benefits we offer that improve the calibration process:

  • Quick turnaround
  • Flexible calibration
  • Equipment pickup
  • Extensive service area

Reach out to Garber Metrology

Garber Metrology offers off-site and on-site optical comparator calibration services across industries. We have an expert team, professional tools and certified testing procedures to confirm your equipment’s precision.

Contact our team online to request a quote for our calibration services.


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