GPG1200 checkerboard calibration board (150mm)
Checkerboard calibration board GPG1200-7 * 5-150
Product details: 3mm aluminum plate, reflectivity: white ≥ 70%, black ≤ 10%, flatness: better than 1mm/m2, accuracy: better than 0.05mm, bracket: 20cm~110cm, customizable grid size: 150mm
Product Specifications

model	GPG1200-7*5-150
size	1200x900mm
Grid size	150mm
substrate	3mm aluminum plate
reflectance	White ≥ 70% Black ≤ 10%
flatness	Better than 1mm/m2
precision	Better than 0.05mm
Support	20cm-110cm
Other Specifications	customizable