Customization: | Available |
---|---|
Usage: | Medical |
Type: | Convex Lens |
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optical optometry instrument Trial lens set 232
Specifications:
1; Full aperture trial lens 232 pieces included
2.Metal handle rim
3.Removable plastic tray
4.Black ABS covered carrying case with aluminum framework.
5. Here are two types :full- aperture lens for metal rim ,and platic of the samll aperture , the diametern is 26mm
or 22mm .
Parameters:
Leather/aluminum case and metal/plastic rim available
Sphere: |
80 pairs |
Cylinder: |
40 pairs |
Prism: |
14 pieces |
Accessories: |
13 pieces |
Trags dimensions: |
312mm (L) × 532mm (W) × 34mm (H) |
Weight: |
5.6kg |
Range of measurement | Binocular papillary distance: 45~82MM |
Left or right papillary distance: 22.5~41MM | |
Absolute indication error | ≤0.5MM |
Absolute dissymmetrical error | ≤0.5MM |
Absolute rounding error | ≤0.5MM |
Distance of target | 30CM~∞ |
Distance of target | 30CM~∞ |
Power source |
Voltage: DC3V |
Specification: 5#AA battery | |
Quantity: 2 pieces | |
Time for automatic shut-off | About 1 minute after stopping operation, or turn it off manually |
Size | 22.1*16.6*6.3CM |
Weight | 0.68KG |
Measure Range : | 3mmHg~70mmHg |
Relative moisture | ≤95% |
Ambient temperature: | -20ºC~+55ºC |