Surface plates offer essential stability for measuring parts and equipment with tight tolerances. Your quality control department understands the significance of reliable dimensions and equipment. Without them, you can’t guarantee your products will meet customer parameters and legal regulations.
Like other tools, surface plates need periodic testing and inspection to verify that they comply with industry standards and accurately measure your products. At Garber Metrology, we can test, calibrate and inspect granite surface plates for companies in the Mid-Atlantic Region.
Calibration ensures your surface plates meet flatness specs for your grade, which makes accurate measurements possible. 
Most flat surface plates are granite, and they are instrumental in your quality control department’s precise measurements. Environmental factors, accidents, and other catalysts can make these surface plates uneven, which skews your measurements.
If your surface plate is uneven, your quality control department can’t rely on their measurements. If you ship a product that doesn’t meet industry standards or customer parameters, you may have to issue recalls, raising your production costs.
Before we calibrate a surface plate, our team cleans the surface with a safe cleaning solution. Then, we use a repeat measuring gauge to find any peaks or depressions. A surface plate’s “flatness measurement” is the variation between its highest and lowest points. Our team compares that value to plate-specific tolerances and consults GGG P 463 — a federal specification — to ensure the surface complies with flatness regulations for its size and grade.
If a single point on the surface plate causes a variation that fails to comply with its guideline, we must reject or resurface the plate. If this is the case for your granite plate, you can trust our surface plate resurfacing services to restore your flat granite plate.
At Garber Metrology, our clients trust us for electronic, physical, dimensional and granite surface plate calibration. We also test, calibrate and inspect weighing and measuring equipment for various industries. Coupled with that expertise, entrusting surface plate resurfacing to us has several advantages, including:
Garber Metrology is one of the leading providers for scale sales, electronic, physical, dimensional and granite surface plate calibration in the Mid-Atlantic Region and beyond. Since our start, we’ve committed ourselves to exceeding your expectations and offering a stellar customer experience. Our Quality Management System is an actionable guide for us to continuously improve our services.
Are you ready to learn more? Call 1-800-427-3032 or contact our team online!
Our entire organization is excited about our completion of the ISO-9001 Registration and the ISO-17025 Accreditation. In addition, we fully comply with ANSI/NCSL Z-540-1. The scope of devices we can support includes Scales, Temperature, Pressure, Electrical, Dimension, Force, Torque, Gauge Block, Pin, Wire, Thread, Durometer, Multimeter, Surface Plates, and Weight Measurement.
ISO-9001 (pdf) ISO 17025 Cert and Scope of Accreditation (pdf) 
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