Thaum koj yuavpremier lub cev armor, Koj yuav tsis tawm ntawm koj txoj hauv kev los nyeem daim ntawv lo ntawm lub cev armor, thiab koj yuav tsis nug txog kev cai lij choj ntawm lub cev armor, Tab sis tsis txhob txhawj, cov khw muag khoom niaj hnub muaj ib daim ntawv pov thawj tshuaj xyuas thiab cov qauv qhia, yog tias koj yuav lub cev armor nyob rau hauv lub lag luam ntiag tug yuav tsum tau kawm cov ntsiab lus hauv qab no.
NIJ Standard yog dab tsi?
Qhov no National Institute of Justice (NIJ) luam tawm, Ballistic Resistance ntawm Lub Cev Armor, NIJ Standard 0101.07, qhia txog qhov yuav tsum tau ua yam tsawg kawg nkaus thiab cov qauv kev sim rau kev tiv thaiv ballistic.anti riot suitsiv los ntawm US tub ceev xwm uas yog npaj los tiv thaiv lub cev tiv thaiv riam phom thiab mos txwv phom.Nws yog kev hloov kho ntawm National Institute of Justice (NIJ) Standard 0101.06, Ballistic Resistance of Body Armor, luam tawm xyoo 2008.
Hom IIA (9 hli; .40 S&W)
Hom IIA armor uas yog tshiab thiab tsis hnav yuav tsum tau sim nrog 9 hli Tag Nrho Hlau JacketedRound Nose (FMJ RN) cov mos txwv nrog qhov hnyav ntawm 8.0 g (124 g) thiab nrawm ntawm 373 m / s± 9.1 m/s (1225 ft/s ± 30 ft/s) thiab nrog .40 S&W Tag Nrho Hlau Jacketed (FMJ) cov mos txwv nrog ibQhov hnyav ntawm 11.7 g (180 g) thiab nrawm ntawm 352 m / s ± 9.1 m / s (1155 ft / s ± 30 ft / s).
Hom IIA armor uas tau raug kho yuav tsum tau sim nrog 9 hli FMJ RN mos txwv nrogQhov hnyav ntawm 8.0 g (124 g) thiab qhov nrawm ntawm 355 m / s ± 9.1 m / s (1165 ft / s ± 30 ft / s) thiabnrog .40 S&W FMJ cov mos txwv nrog lub cev hnyav ntawm 11.7 g (180 g) thiab nrawm ntawm 325 m / s ±9.1 m / s (1065 ft / s ± 30 ft / s).
Hom II (9 hli; .357 Magnum)
Hom II armor uas yog tshiab thiab tsis hnav yuav tsum tau sim nrog 9 hli FMJ RN cov mos txwv nrog rau qhov hnyav ntawm 8.0 g (124 g) thiab qhov nrawm ntawm 398 m / s ± 9.1 m / s (1305 ft / s ± 30 ft / s) thiab nrog .357 Magnum Jacketed Soft Point (JSP) cov mos txwv nrog lub cev hnyav ntawm 10.2 g (158 g) thiab qhov nrawm ntawm 436 m / s ± 9.1 m / s (1430 ft / s ± 30 ft / s).
Hom II armor uas tau ua kom txias yuav tsum tau sim nrog 9 hli FMJ RN cov mos txwv nrog qhov hnyav ntawm 8.0 g (124 g) thiab qhov nrawm ntawm 379 m / s ± 9.1 m / s (1245 ft / s ± 30 ft / s ) thiab nrog.357 Magnum JSP cov mos txwv nrog ib qho loj ntawm 10.2 g (158 g) thiab qhov nrawm ntawm 408 m / s ± 9.1 m / s (1340 ft / s ± 30 ft / s).
Hom IIIA (.357 SIG; .44 Magnum)
Hom IIIA armor uas yog tshiab thiab tsis hnav yuav tsum tau sim nrog .357 SIG FMJ Flat Nose (FN) cov mos txwv nrog lub cev hnyav ntawm 8.1 g (125 gr) thiab qhov nrawm ntawm 448 m / s ± 9.1 m / s (1470 ft / s ± 30 ft / s) thiab nrog .44 Magnum Semi Jacketed Hollow Point (SJHP) cov mos txwv nrog qhov hnyav ntawm 15.6 g (240 g) thiab nrawm ntawm 436 m / s ± 9.1 m / s (1430 ft / s ± 30 ft / s).
Hom IIIA armor uas tau ua kom txias yuav tsum tau sim nrog .357 SIG FMJ FN cov mos txwv nrog qhov hnyav ntawm 8.1 g (125 g) thiab qhov nrawm ntawm 430 m / s ± 9.1 m / s (1410 ft / s ± 30 ft / s)thiab nrog .44 Magnum SJHP cov mos txwv nrog lub cev hnyav ntawm 15.6 g (240 g) thiab qhov nrawm ntawm 408 m / s ± 9.1 m / s (1340 ft / s ± 30 ft / s).
Hom III (Rib phom)
Hom III nyuaj armor los yog phaj inserts yuav tsum tau kuaj nyob rau hauv ib tug conditioned lub xeev nrog 7.62 hli FMJ, steel jacketed mos txwv (US Military designation M80) nrog ib tug teev loj ntawm 9.6 g (147 g) thiab ib tug tshaj tawm ntawm 847 m / s ± 9.1 m / s (2780 ft / s ± 30 ft / s). Hom III hloov tau cov cuab yeej yuav tsum tau sim nyob rau hauv ob qho tib si "raws li tshiab" lub xeev thiab lub xeev conditioned nrog 7.62 mm FMJ, steel jacketed mos txwv (US Tub rog npe M80) nrog rau ib tug tshwj xeeb Qhov hnyav ntawm 9.6 g (147 g) thiab nrawm ntawm 847 m / s ± 9.1 m / s (2780 ft / s ± 30 ft / s).
Rau hom III nyuaj armor lossis phaj ntxig uas yuav raug kuaj raws li kev sib txuas tsim, cov cuab yeej hloov tau yooj yim yuav tsum tau sim ua raws li tus qauv no thiab pom tias ua raws li cov cuab yeej sawv cev ntawm nws qhov kev hem thawj.Kev sib xyaw ua ke ntawm cov cuab yeej hloov tau yooj yim thiab cov cuab yeej tawv tawv / phaj yuav tsum raug kuaj raws li qhov system thiab pom tias muaj kev tiv thaiv ntawm qhov system 'kev hem thawj theem.NIJ-pom zoo armors thiab phaj inserts yuav tsum tau sau meej meej tias muab kev tiv thaiv ballistic nkaus xwb thaum hnav ua ke nrog NIJ-pom zoo siv armor system uas lawv tau sim.
Hom IV (Armor Piercing Rifle)
Hom IV nyuaj armor los yog phaj inserts yuav tsum tau kuaj nyob rau hauv ib tug conditioned lub xeev nrog .30 caliber armor tho (AP) mos txwv (US Tub rog npe M2 AP) nrog ib tug teev loj ntawm 10.8 g (166 gr) thiab ib tug tshaj tawm ntawm 878 m / s ± 9.1 m/s (2880 ft/s ± 30 ft/s). Hom IV saj zawg zog armor yuav tsum tau sim nyob rau hauv ob qho tib si lub xeev "raws li tshiab" thiab lub xeev conditioned nrog .30 caliber AP mos txwv (US Military designation M2 AP) nrog Qhov hnyav ntawm 10.8 g (166 g) thiab nrawm ntawm 878 m / s ± 9.1 m / s (2880 ft / s ± 30 ft / s).
Rau hom IV nyuaj armor lossis phaj ntxig uas yuav raug kuaj raws li kev tsim ua ke, cov cuab yeej hloov tau yooj yim yuav tsum tau sim ua raws li tus qauv no thiab pom tias ua raws li cov cuab yeej sawv cev ntawm nws qhov kev hem thawj.Kev sib xyaw ua ke ntawm cov cuab yeej hloov tau yooj yim thiab cov cuab yeej tawv tawv / phaj yuav tsum raug kuaj raws li qhov system thiab pom tias muaj kev tiv thaiv ntawm qhov system qhov kev hem thawj theem.NIJ-pom zoo armors thiab phaj inserts yuav tsum tau sau meej meej tias muab kev tiv thaiv ballistic nkaus xwb thaum hnav nrog NIJ-pom zoosaj zawg zog armorsystem uas lawv tau sim.
Post lub sij hawm: Mar-09-2024