Portable Auto Refractometer Lmin Avoid using an oxygen concentrator

Avoid using an oxygen concentrator in a dusty environment

Heater 3KW

hand Device Color black or customized Function blood circulation

and can memory more than 1000 cases

Portable Auto Refractometer Lmin Avoid using an oxygen concentratorSW 800 Portable Auto Refractometer Parameters: Model: SW 800 Operation Mode: Bino Mono DS: Range: 7. 50D~+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: 1~180 Resolution: 1 Accuracy: 5 Pupil size: 4. 0 mm~9. 0 mm Resolution Range: 0. 1mm Accuracy: 0. 1 mm Pupil distance: 35 mm~80 mm Resolution: 1mm Accuracy: 1 mm Gaze: 0 ~ 20 Measuring distance: 1 m 5 cm Time per