描述

 China good quality Optical Instrument Handheld Refractometer SW-800
Features

▲ The portable auto refractometer can check the refractive error precisely for different groups of people using the ultrasonic ranging, cross line, flashing light and sound technology and then to find out the probably potential refractive problems.

▲ Ideal for babies, seniors and patients with language barrier.

Specifications

 

Optometry
Automatic
DS
Range: -7.50D to +7.50D, Resolution: 0.25D/0.01D
Accuracy: ±0.50D
DC
Range: 0.00D to 3.00D, Resolution: 0.25D/0.01D, Accuracy: ±0.50D
Axis
Range: 1° to 180° Axis: Range 1° to 180°
Resolution: 1° ; Accuracy: ±5°
Pupil size
Range: 4.0mm to 9.00mm
Resolution
0.1mm Accuracy: ±0.1mm
Pupil distance
Range: 35mm to 80mm
Resolution: 1mm, Accuracy: ±1mm
Gaze
0° to 20°
Measuring distance
1m±5cm
Time per measurement
~1s
Fixation target
Light flash, attractive sound
Date interface
Wi-Fi, USB
Battery
Rechargeable lithium batteries, 6 hours of duration, Replaceable
Size
180mmX130mmX110mm
Display
5 inch touch screen
Weight
0.8KG
Optional accessories
Camera tripods, printer, etc