THORLABS BHM4 磁束高度标尺 (40 mm x 310 mm. 12")

Ruler Surface Dimensions (W x H): 40 mm x 310 mm (1.57" x 12.20")

Footprint (L x W): 20 mm x 40 mm (0.79" x 1.57")

Thickness: 2.0 mm (0.8")

Numbered Graduations: Every 1" and 10 mm

Graduations: 1/16" and 1.0 mm

Hole Spacing: 1.00" and 25.0 mm

Damage Threshold: >350 J/cm2 (1064 nm, 20 ns, 20 Hz, Ø1.14 mm)