Mask Visual Field Tester to determine whether field of vision under the mask meets the standard requirement or not.
Mask vision field tester is to evalute the effective field of vision of full face mask, half face mask or other respirator. Fitting the mask to the dummy head, lighting the lamp in each eye socket of dummy head, then tracing the curve of shadow on the half shpere part of equipment by apertometer. Measurements of both total field of vision and overlapping field of vision can be made as standard requirements.
GB 2890-2009 Respiratory protection Self-priming filter gas mask 6.8 Field of vision GB 2626-2019 Respiratory protective products Self-priming filter anti-particulate respirator 6.10 Field of vision IOS 32610-2016 Technical specifications for daily protective masks 6.12 Field of vision
Perimetry semicircle radius:305mm
Left and right field of vision:le;120deg;
Head mold:Can move left and right
Your email address will not be published. Required fields are marked *