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水平(ping)-垂直燃(ran)燒(shao)試驗機是采用規定(ding)(ding)(ding)(ding)尺寸的本生燈 （Bunsen burner） 和特定(ding)(ding)(ding)(ding)燃(ran)氣(qi)(qi)源（甲烷或天然氣(qi)(qi)），按一(yi)定(ding)(ding)(ding)(ding)的火焰(yan)(yan)高度(du)和一(yi)定(ding)(ding)(ding)(ding)的施焰(yan)(yan)角度(du)對呈水平(ping)或垂直狀(zhuang)態的試品(pin)定(ding)(ding)(ding)(ding)時施燃(ran)若干(gan)次(ci)，以試品(pin)點燃(ran)、灼(zhuo)熱燃(ran)燒(shao)的持續時間(jian)和試品(pin)下鋪墊的引燃(ran)物是否引燃(ran)來評定(ding)(ding)(ding)(ding)其燃(ran)燒(shao)性。