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DIGITAL Keratometer SW-100

FEATURES
Device type:Type B, power inside
Measuring range:3mm~12.908mm curvature radius
Accuracy:≥±0.05mm
Single measurement time:0.03s
Output:infrared output
Weight:<0.5Kg (include battery)
Dimension:240mm×90mm×60mm
Power:500mW+15%
Power supply:three AA battery
Ambient temperature:+5℃~+40℃
Relative moisture:≤80%