一、用途

nt face="Times New Roman">     nt>本機器是根據國傢標準nt face="Times New Roman">GB/T261nt>《石油產品閃點測定法（閉口杯法）》所規定的要求設計制造的，適用於測定石油產品用閉口杯在規定條件下nt face="Times New Roman">,nt>加熱到它的蒸汽與空氣的混合氣接觸火焰發生閃火時的最低溫度，即閉口杯法閃點。

nt face="Times New Roman">     nt>機器采用微計算機技術，配有完善系統功能軟件，自動控溫、自動攪拌、點火、檢測、打印實驗數據、微機自動完成、六位數位顯示。nt face="Times New Roman"> nt>

二、主要參數

（一）使用條件

nt face="Times New Roman">1nt>、環境溫度：nt face="Times New Roman">          +nt>nt face="Times New Roman">10nt>℃–nt face="Times New Roman">+nt>nt face="Times New Roman">30nt>℃；

nt face="Times New Roman">2nt>、相對濕度：nt face="Times New Roman">          < 80%nt>；

nt face="Times New Roman">3nt>、工作電源：nt face="Times New Roman">          220Vnt>±nt face="Times New Roman">10nt>％、nt face="Times New Roman">50nt>±nt face="Times New Roman">1Hznt>。

（二）溫度測量

nt face="Times New Roman">1nt>、量程nt face="Times New Roman">                nt>室溫nt face="Times New Roman">~nt>nt face="Times New Roman">250nt>℃；

nt face="Times New Roman">  nt>準確度：nt face="Times New Roman">            0.2%nt>；

nt face="Times New Roman">  nt>分辨率：nt face="Times New Roman">            nt>nt face="Times New Roman">0.1nt>℃。

nt face="Times New Roman">2nt>、重復性

nt face="Times New Roman"> nt>閃點小於nt face="Times New Roman">104nt>℃時：nt face="Times New Roman">   nt>誤差nt face="Times New Roman">2nt>℃；

nt face="Times New Roman"> nt>閃點大於nt face="Times New Roman">104nt>℃時：nt face="Times New Roman">   nt>誤差nt face="Times New Roman">4nt>℃。

（三）基本參數

nt face="Times New Roman">1nt>、開蓋點火周期

nt face="Times New Roman">  nt>閃點小於nt face="Times New Roman">104nt>℃時：nt face="Times New Roman">   nt>nt face="Times New Roman">1nt>℃；

閃點大於nt face="Times New Roman">104nt>℃時：nt face="Times New Roman">   2nt>℃。

nt face="Times New Roman">2nt>、升溫速率：nt face="Times New Roman">          nt>符合nt face="Times New Roman">GB/T 261-83nt>標準；

nt face="Times New Roman">3nt>、攪拌速度：nt face="Times New Roman">          105nt>轉nt face="Times New Roman">/nt>分；

nt face="Times New Roman">4nt>、點火方式：nt face="Times New Roman">          nt>氣體火焰（nt face="Times New Roman">4mmnt>）引火；

nt face="Times New Roman">5nt>、整機功耗：nt face="Times New Roman">          nt>不大於nt face="Times New Roman">300VAnt>；

nt face="Times New Roman">6nt>、外型尺寸：nt face="Times New Roman">          nt>主機箱nt face="Times New Roman">360nt>×nt face="Times New Roman">110nt>×nt face="Times New Roman">300nt>（㎜）；

nt face="Times New Roman">                              nt>檢測箱nt face="Times New Roman">320nt>×nt face="Times New Roman">260nt>×nt face="Times New Roman">200nt>（㎜）；

nt face="Times New Roman">7nt>、凈重：nt face="Times New Roman">               10kgnt>。

三、機器成套

主機箱

測試箱

跨接線

試驗杯

電源線

打印紙

點火槍