LY-8A3 Hand lens meter,Exernal-reading lensmeter

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LY-8A3 Hand lens meter

Product Abstract:

Exernal-reading lensmeter,

Product Description

Product Abstract:

Hand Lensmeter measure lens dioptre directly and accurately.

Exernal-reading lensmeter

Specification:
Ranges of Measurement:	0 to ±25D
Minimun: Ourter Reading:	0.125D
Inner Reading:	0.125D graduation up 0 to ±5D, and 0.25D graduations over±5D to ±25D
Digital:	0.01D
Cylinder Axis Range:	0～180°
Primatic Power Range:	0～5△prism diopters1△graduations with prism compensation device 0～20△Prism diopters,1△graduations
Primatic Base Angle:	0～180°
Eyepiece Adiustment:	±5D
Dimension of Objective Lens:	Φ16～Φ86㎜
Electric Voltage:	220V/50Hz /DC -3V or 110V/60Hz /DC -3V
Power:	3W
Weight:	4kg
Volume:	27.5(L)x12(w)x43(H)cm