Calibrated Rulers - McMaster-Carr
With a calibration certificate traceable to NIST that says they’ve passed a test for accuracy, you can trust these protractors to measure angles on molds and jigs precisely. Choose from our selection of calibrated rulers, including over 1,500 products in a wide range of styles and sizes. In stock and ready to ship.
Fowler NIST-Certified Rulers - Cole-Parmer
Certified rulers are made of hardened and tempered steel and feature easy to read graduations on a non-glare satin chrome finish. Each Fowler Ruler is Pre-Certified for ISO/QS9000 requirements and includes a certificate of calibration. 8 variations of this product are available.
Calibrated and Certified Rulers - Precision Rules
High Precision Calibrated and Certified Rulers with engraved graduations in 1mm increments on the top edge and 1/32"increments on the bottom edge, made of Hardened and Tempered Steel with Matte Satin finish; come with individual Certificate of Calibration issued by an independent accredited laboratory, traceable to NIS T
NIST Calibration Certificate Rulers - McMaster-Carr
Choose from our selection of NIST calibration certificate rulers, including over 150 products in a wide range of styles and sizes. In stock and ready to ship.
Certified Stainless Steel Rulers, Inch & Metric 1/32", mm - 6", …
Certified Stainless Steel Rulers are each individually marked with a unique serial number and packaged with a certificate of accuracy with the same serial number as the ruler. The certificate of accuracy is traceable to NIST (National Institute Of Standards and Technology).
Calibrated and Certified Rulers
We offer Highest Precision Calibrated and Certified Rulers with engraved graduations in 1mm increments on the top edge and 1/32"increments on the bottom edge. They are made of Hardened and Tempered Steel with Matte Satin finish.
24" /600 mm High Precision Ruler w/ Certificate of Calibration ...
W-RL-24"+CERT 24"/600 mm High Precision Ruler is graduated in 1mm increments on top edge and 1/32" increments on the bottom edge. It is made of Hardened and Tempered Steel with Matte Satin Nickel Finish for durability and ease of reading. Graduations and numbers are precision engraved and filled with black enamel.
Fowler 52-262-624 NIST Calibration Certificate Rigid-Ruler Set, …
Certified rulers are made of hardened and tempered steel and feature easy to read graduations on a non-glare satin chrome finish. Each Fowler Ruler is Pre-Certified for ISO/QS9000 requirements and includes a certificate of calibration. If calibration service is needed, 3 will be required for this set, one for each rule.
48" Rulers | McMaster-Carr
These rulers include a certificate of calibration traceable to NIST with test measurements that confirm accuracy. An economical alternative to Starrett Certified High-Accuracy Rulers, they provide reliable, repeatable measurements.
Precision Metal Rulers | NIST - National Institute of Standards …
2009年2月9日 · Precision metal rulers are calibrated by comparing the customer specified interval to a frequency-stabilized laser with active temperature, pressure and humidity corrections applied to the laser wavelength in air. Each calibration includes a NIST calibration report which provides the calibrated value and uncertainty for each specified interval.