looj tsom iav
Lus piav qhia luv luv:
STM-GOGAF
1. Rau chav kuaj / kho mob siv
2. Ua los ntawm kev tiv thaiv khawb, poob siab-pov thawj, khawb-tiv thaiv, meej, siab translucent PVC
3. Anti-fog lo ntsiab muag
4. Tiv thaiv los ntawm: cuam tshuam, txaws thiab plua plav
5. Ua raws li EN 166 lossis sib npaug
6. Kho cov ncej
7. Integrated sab thiab sab saum toj tiv thaiv
Daim duab 1: Cov tsom iav nrog lub ntsej muag ntshiab
Clear PC lens npog ob lub qhov muag. Dub PA ncej nrog
dub PA sab, adjustable nyob rau hauv ntev.
Hlau screws txuas lub lens thiab sab, screws tsis muaj
tiv tauj daim tawv nqaij.
Nruab nrab thickness ntawm cov lim: 2.4 ± 0.05 hli
Thickness ntawm qhov ntswg: 2.3 ± 0.05 hli
Peripheral thickness: 2.3 ± 0.05 hli
Vertex zog / dpt:
Pem hauv ntej nto: kab rov tav +4.2 - ntsug +4.2
Sab nraub qaum: kab rov tav - 4.3 - ntsug - 4.4
