Features
Model Number : 12X9 Calibration Board.
25X25mm: Dimensions: 25X25mm. Checkered side length: 1.5mm. Pattern array: 12X9. Pattern size: 18X13.5mm. Accuracy: ±0.01mm.
50X50mm: Dimensions: 50X50mm. Checkered side length: 3mm. Pattern array: 12X9. Pattern size: 36X27mm. Accuracy: ±0.01mm.
70X70mm: Dimensions: 70X70mm. Checkered side length: 6mm. Pattern array: 12X9. Pattern size: 60X45mm. Accuracy: ±0.01mm.
100X100mm: Dimensions: 100X100mm. Checkered side length: 1.5mm. Pattern array: 12X9. Pattern size: 72X54mm. Accuracy: ±0.01mm.
Professional and practical design with beautiful appearance, easy to carry and use.
Usually used in laboratories, schools, teachers, sample observation, eyepiece protection, etc.
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