MukagulaPremier body zida, Simungasiye kuwerenga zida zankhondo, ndipo simudzakayikira kuvomerezeka kwa zida zankhondo，Koma musadandaule, malo ogulitsa nthawi zonse amakhala ndi satifiketi yoyendera ndi chizindikiritso chokhazikika, ngati mumagula zida zankhondo pamsika wamba muyenera kuphunzira zotsatirazi.
Kodi NIJ Standard ndi chiyani?
Buku la National Institute of Justice (NIJ), Ballistic Resistance of Body Armor, NIJ Standard 0101.07, limafotokoza zofunikira zochepa zogwirira ntchito ndi njira zoyesera za kukana kwa ballisticanti chipwirikitiamagwiritsidwa ntchito ndi apolisi aku US omwe cholinga chake ndi kuteteza torso ku mfuti zamanja ndi mfuti.Ndi kukonzanso kwa National Institute of Justice (NIJ) Standard 0101.06, Ballistic Resistance of Body Armor, yofalitsidwa mu 2008.
Mtundu IIA (9 mm; .40 S&W)
Zida zamtundu wa IIA zomwe zili zatsopano komanso zosavala zidzayesedwa ndi 9 mm Full Metal JacketedZipolopolo za Mphuno Yozungulira (FMJ RN) zolemera kwambiri 8.0 g (124 gr) ndi liwiro la 373 m/s± 9.1 m/s (1225 ft/s ± 30 ft/s) komanso .40 S&W Full Metal Jacketed (FMJ) zipolopolo zokhala ndikulemera kwapadera kwa 11.7 g (180 gr) ndi liwiro la 352 m/s ± 9.1 m/s (1155 ft/s ± 30 ft/s).
Zida zamtundu wa IIA zomwe zidasinthidwa zidzayesedwa ndi zipolopolo za 9 mm FMJ RN ndikulemera kwapadera kwa 8.0 g (124 gr) ndi liwiro la 355 m/s ± 9.1 m/s (1165 ft/s ± 30 ft/s) ndindi zipolopolo za .40 S&W FMJ zokhala ndi kulemera kwake kwa 11.7 g (180 gr) ndi liwiro la 325 m/s ±9.1 m/s (1065 ft/s ± 30 ft/s).
Mtundu II (9 mm; .357 Magnum)
Zida zamtundu wa II zomwe zili zatsopano komanso zosavala ziyenera kuyesedwa ndi zipolopolo za 9 mm FMJ RN zokhala ndi kulemera kwake kwa 8.0 g (124 gr) ndi liwiro la 398 m/s ± 9.1 m/s (1305 ft/s ± 30 ft/ s) ndi zipolopolo za .357 Magnum Jacketed Soft Point (JSP) zolemera kwambiri 10.2 g (158 gr) ndi liwiro la 436 m/s ± 9.1 m/s (1430 ft/s ± 30 ft/s).
Zida zamtundu wa II zomwe zidapangidwa ziyenera kuyesedwa ndi zipolopolo za 9 mm FMJ RN zokhala ndi unyinji wodziwika wa 8.0 g (124 gr) ndi liwiro la 379 m/s ±9.1 m/s (1245 ft/s ± 30 ft/s ) ndi.357 Magnum JSP zipolopolo zokhala ndi kulemera kwake kwa 10.2 g (158 gr) ndi liwiro la 408 m/s ± 9.1 m/s (1340 ft/s ± 30 ft/s).
Mtundu IIIA (.357 SIG; .44 Magnum)
Zida zamtundu wa IIIA zomwe zili zatsopano komanso zosavala zidzayesedwa ndi zipolopolo za .357 SIG FMJ Flat Nose (FN) zolemera kwambiri 8.1 g (125 gr) ndi liwiro la 448 m/s ± 9.1 m/s (1470 ft/ s ± 30 ft/s) ndi zipolopolo za .44 Magnum Semi Jacketed Hollow Point (SJHP) zolemera kwambiri 15.6 g (240 gr) ndi liwiro la 436 m/s ± 9.1 m/s (1430 ft/s ± 30 ft/s).
Zida zankhondo zamtundu wa IIIA zomwe zidasinthidwa ziyenera kuyesedwa ndi zipolopolo za .357 SIG FMJ FN zokhala ndi kulemera kwake kwa 8.1 g (125 gr) ndi liwiro la 430 m/s ± 9.1 m/s (1410 ft/s ± 30 ft/ s)ndi zipolopolo za .44 Magnum SJHP zolemera kwambiri 15.6 g (240 gr) ndi liwiro la 408 m/s ± 9.1 m/s (1340 ft/s ± 30 ft/s).
Mtundu III (Mfuti)
Zida zolimba zamtundu wa III kapena zoyika mbale ziyenera kuyesedwa mokhazikika ndi 7.62 mm FMJ, zipolopolo zokhala ndi jekete zachitsulo (zodziwika ndi US Military M80) ndi kulemera kwake kwa 9.6 g (147 gr) ndi liwiro la 847 m/s ± 9.1 m /s (2780 ft/s ± 30 ft/s). Zida zamtundu wa III zidzayesedwa “monga zatsopano” komanso zokhazikika ndi 7.62 mm FMJ, zipolopolo zamajekete achitsulo (zotchedwa US Military M80) zokhala ndi mawu osankhidwa. kulemera kwa 9.6 g (147 gr) ndi liwiro la 847 m/s ± 9.1 m/s (2780 ft/s ± 30 ft/s).
Pa zida zolimba zamtundu wa III kapena choyika chamba chomwe chidzayesedwa ngati chopangidwa molumikizana, zida zosinthikazo zidzayesedwa molingana ndi muyezowu ndipo zidzapezeka kuti zikugwirizana ngati zida zodziyimira zokha pamlingo wake wowopseza.Kuphatikiza kwa zida zosinthika ndi zida zolimba / mbale zidzayesedwa ngati dongosolo ndikupezeka kuti limapereka chitetezo pamlingo wowopseza womwe wafotokozedwa.Zida zolimba zovomerezedwa ndi NIJ ndi zoyika mbale ziyenera kulembedwa momveka bwino kuti zimateteza chitetezo pokhapokha zitavala molumikizana ndi zida zankhondo zovomerezeka za NIJ zomwe zidayesedwa nazo.
Type IV (Mfuti Yoboola Zida)
Zida zankhondo zolimba za mtundu wa IV kapena zoyika mbale ziyenera kuyesedwa mokhazikika ndi zipolopolo za .30 caliber armor piercing (AP) (US Military namement M2 AP) ndi kulemera kwake kwa 10.8 g (166 gr) ndi liwiro la 878 m/s ± 9.1 m/s (2880 ft/s ± 30 ft/s). Zida zankhondo zamtundu wa IV zidzayesedwa “monga zatsopano” komanso m'malo okhala ndi zipolopolo za .30 caliber AP (Zodziwika za US Military M2 AP) ndi kulemera kwapadera kwa 10.8 g (166 gr) ndi liwiro la 878 m/s ± 9.1 m/s (2880 ft/s ± 30 ft/s).
Pa zida zolimba zamtundu wa IV kapena choyika chamba chomwe chidzayesedwa ngati chopangidwa molumikizana, zida zosinthika zidzayesedwa molingana ndi mulingo uwu ndikupezeka kuti zikugwirizana ngati zida zodziyimira zokha pamlingo wake wowopseza.Kuphatikiza kwa zida zosinthika ndi zida zolimba / mbale zidzayesedwa ngati dongosolo ndikupezeka kuti limapereka chitetezo pamlingo wowopseza womwe wafotokozedwa.Zida zolimba zovomerezeka za NIJ ndi zoyika mbale ziyenera kulembedwa momveka bwino kuti zimateteza chitetezo pokhapokha zitavala molumikizana ndi NIJ yovomerezeka.zida zosinthikadongosolo limene iwo anayesedwa.
Nthawi yotumiza: Mar-09-2024