Product Description
The device is a scientific and perfect design, consisting of measurement system, optical system, ESS and computer software system
Features
1. Using mechanical hairspring to level at the reflecting point of human cornea to realize the consecutive measurement. It features direct point sampling and high accuracy of orientation;
2. Adopting high-precision line-shaped sensors, advanced intellectualized electronic system and digital display which allow the testing results more visible, legible and accurate;
3. The design of LED light source and low power consumption, long service life of the battery;
4. LED light source, time of auto power off could be adjustable. There is a +2.00D lens under measuring window to make a visual compensation.
Specification:
Range of measurement:45~82mm(total) in 0.5mm steps,22.5~41mm(each) in 0.5 steps
Focus Range: 30cm to infinity
Power Supply: AA batteries
Dimensions:230x170x620mm
Net Weight: 0.7kg