产品参数:

• 加工定制: 否
• 品牌: USAF
• 型号: T-22-P-RM

详细介绍:

All bars and spaces are the same as provided in the traditional USAF 1951 Test Target chart T-20 Meeting all requirements as specified in MIL-STD-150A. The following improvements have been made:
- The chart has DIRECT frequency Labeling in C/MM.
- Numeric Labeling is enhanced and based on OCR-A extended font.
- Bars are laid out in two straight columns, for easier Scanning.
- Smaller elements have finder squares next to them to aid in determining their locations.

Overall Sizes: T-22 and T-22-2 is 4' x 4' (101.6 x 101.6mm)