Hand Lensmeter (Read inside ) TR-HLM-6700

Hand Lensmeter (Read inside ) TR-HLM-6700

Hand Lensmeter measure lens dioptre directly and accurately.
Detailed Product Description:
1, Ranges of Measurement: 0 to ±25D.
2, 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.
3, Cylinder Axis Range: 0～180°.
4, Primatic Power Range: 0～5△ prism diopters1△graduations
with prism compensation device 0～20△
Prism diopters,1△graduations.
5, Primatic Base Angle: 0～180°.
6, Eyepiece Adiustment: ±5D.
7, Dimension of Objective Lens: Φ16～Φ86㎜.
Parameter:
Electric Voltage:220V/50Hz /DC -3V or 110V/60Hz /DC -3V
Power:3W
Weight:4kg
Volume:27.5(L)x12(w)x43(H)cm