Mask visual field tester is used to test the visual field effect of masks, masks, respirators and other products.
Mask vision tester uses:
Used for testing the visual field effect of masks, face masks, respirators and other products.
Meet the standards:
GB 2890-2009 Respiratory protection Self-priming filter gas masks 6.8
Respiratory protective equipment — Self-priming filter anti-particulate respirator 6.10
Technical specification for respirators for daily use
EN136: Respiratory protective devices – Full face masks – Requirements, testing, identification
Features of mask vision tester:
1, large screen touch screen control and display.
2, automatic test and data results.
3. Configure computer online analysis software.
Technical parameters of mask vision tester:
1, display and control: 7 inch color touch screen display and control, parallel metal button control.
2. Radius of arc bow (300-340) mm: it can rotate around the level of 0°. There is a scale of 5° from 0° to 90° on both sides.
3. Recording device: the recording needle connects with the visual standard through the axle and wheel assembly, and records the azimuth and Angle corresponding to the visual standard on the visual field drawing.
4, standard head type: the light bulb vertex line of the pupil position device is 7±0.5mm behind the two eye points. The standard head type is installed on the workbench so that the left and right eyes are respectively placed at the center of the circle of the semi-arc bow, and look directly at the “0″ point.
Post time: Jan-05-2022
