Specially designed for the test of the hole degree of aluminum foil
Testing Principle
Under specified circumstances and light boxes,use the transmission of light of the aluminum foil,to observe the number of pinhole,and measuring the size of the pinhole
0.1-0.3mm pinhole number shall not exceed one
INSTRUMENT SPECIFIC ATIONS
• Observe Size : 400×250mm
• application environment illumination : 20Lux-50Lux
• Light source power : 30W
• Enlarge scale value : 0.1mm
• Objective magnification : 100X
• Minimum measured value : 0.01mm
• Dimension : 800×600×300mm
• Net Weight : 20Kg