Shenhai e fakamoʻoni fakaʻauha
Firstly, ʻOku fakataumuʻa ʻa e ngaahi meʻangaue kotoa ʻe tolu ki he maluʻi ʻo e efu pea to ʻi he kulupu ʻo e ngaahi meʻangaue ki hono fakamoʻoniʻi hono ua. ʻOku peheni ʻa e fakafuofua ki he fakamoʻoni fakaʻauha: ʻI HE < BT < CT.
| Faʻahinga Tuʻú | Fakafaʻahinga ʻo e kasa | Ngaahi kasa fakafofonga | Siʻisiʻi taha Ignition fakatupu ivi |
|---|---|---|---|
| ʻI he malumalu ʻo ʻeku | I | Methane | 0.280mJ |
| Ngaahi meʻa ʻi tuʻa ʻi he ʻaʻaku | IIA | Kasa | 0.180mJ |
| IIB | Ethylene | 0.060mJ | |
| IIC | Fakapaaki ʻo e | 0.019mJ |
CT devices feature a superior dust-proof rating and may be utilized in areas designated for AT and BT. Neongo ia, AT and BT devices are not suitable for areas that require CT standards.
ʻI hono fakalea ʻe niʻihi, CT devices can substitute for AT and BT, but AT and BT devices cannot substitute for CT.