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This Goldmann Applanation Tonometer is intended to measure intraocular pressure for use as an aid in glaucoma screening and diagnosis.
Measuring range: 0~80mmHg
One scale unit: 1.96mN
Measurement accuracy: ±0.49mN
Repeatability: <0.50mN
Reverse span ：0.49mN
Diameter of applanation circle: 3.06mm ±0.02mm
Applanation area: 7mm2
Moving range of measuring prism: 3mm
Weight： 280g
