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同心方形测试片
Concentric Square Target
商品货号:ECS001721
商品品牌:Edmund
详细介绍
  • 可用于标定测试软件
  • 附带NIST精度可追踪查询
  • 正方形从1mm到50mm

同心方形测试片在图象处理时可校准测量软件。多组正方形有着不同的尺寸,这样就对应了一定的视场。本品可进行NIST追踪查询精度,符合MIL-STD-45662A标准。

Dimensions 76.2mm x 76.2mm x 1.5mm for #46-248
76.2mm x 76.2mm x 3.175mm for #58-773
Square Sizes 1, 2, 3, 4, 5, 10, 15, 20, 30, 40, 50mm
Line Width Tolerance ±0.0025mm
Diagonally Opposite Corner Spacing (50mm Square) 70.7107mm ±0.004mm
Centering Tolerance ±0.004mm
Substrate Clear Soda Lime Float Glass or Opal Glass
Surface Flatness 4-6 λ /25.4mm area
Surface Quality 40-10 (within 50mm sq. area)
Coating Vacuum Deposited Chromium Oxide (specular reflectivity <5% @ 550nm)

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