DDPB-4200型自動(dong)閉(bi)口閃點(dian)(dian)(dian)測定儀(yi)是大慶東(dong)鼎儀(yi)器制造有限公司自主研發的(de)一代產(chan)品(pin),簡單可靠、性(xing)能優越(yue)。儀(yi)器采用*的(de)直撥開蓋和下(xia)降點(dian)(dian)(dian)火(huo)聯(lian)動(dong)機構的(de)方式點(dian)(dian)(dian)火(huo),避(bi)免了(le)傳(chuan)(chuan)統扭轉撥下(xia)落機構方式點(dian)(dian)(dian)火(huo)所帶來的(de)下(xia)落卡住不回(hui)升(sheng),不到位或開啟蓋不能回(hui)位等弊端;加(jia)熱(re)爐(lu)為金屬鋁制成,分油杯周圍浴和底部加(jia)熱(re)部分,使熱(re)傳(chuan)(chuan)導均勻慣性(xing)小,升(sheng)溫速率*符合(he)標準要求。鉑絲球電熱(re)點(dian)(dian)(dian)火(huo)方式,點(dian)(dian)(dian)火(huo)頭大小恒定,溫度可調(diao),安(an)全方便;
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