無錫徽科特測控技(ji)術有限(xian)公司告(gao)訴你：什么(me)叫溫(wen)濕度(du)發(fa)生(sheng)(sheng)器(qi)(qi)？溫(wen)濕度(du)發(fa)生(sheng)(sheng)器(qi)(qi)HDT3601的作用(yong)(yong)原(yuan)理(li)又是(shi)什么(me)？溫(wen)度(du)發(fa)生(sheng)(sheng)器(qi)(qi)是(shi)選用(yong)(yong)礦(kuang)燈電(dian)(dian)池供電(dian)(dian)，使用(yong)(yong)NTC熱敏電(dian)(dian)阻(zu)因升溫(wen)而電(dian)(dian)阻(zu)下降、經過反(fan)應減(jian)少加熱的驅動電(dian)(dian)流的原(yuan)理(li)，從而到達恒溫(wen)的意圖。發(fa)生(sheng)(sheng)80C溫(wen)度(du)，可用(yong)(yong)于校驗煤(mei)礦(kuang)膠帶運輸機的溫(wen)度(du)保護傳感(gan)器(qi)(qi)。

　　羅(luo)卓尼克溫(wen)(wen)(wen)濕(shi)度發(fa)生器、維薩(sa)拉(la)溫(wen)(wen)(wen)濕(shi)度發(fa)生器、密析爾溫(wen)(wen)(wen)濕(shi)度發(fa)生器等作業原理(li)：

　　溫(wen)(wen)(wen)(wen)濕度發(fa)生器是(shi)(shi)依(yi)據大功(gong)率(lv)三極管(guan)作業(ye)發(fa)熱正比于(yu)(yu)(yu)lC×UC原(yuan)理制作的。大功(gong)率(lv)三極管(guan)3DD15是(shi)(shi)發(fa)熱體，電(dian)阻(zu)(zu)R2、R3、R4、R5電(dian)橋電(dian)路用(yong)(yong)于(yu)(yu)(yu)控溫(wen)(wen)(wen)(wen)，發(fa)光(guang)二極管(guan)Dl用(yong)(yong)于(yu)(yu)(yu)電(dian)源指示(shi)，D2用(yong)(yong)于(yu)(yu)(yu)預定(ding)(ding)溫(wen)(wen)(wen)(wen)度發(fa)光(guang)指示(shi)。NTC負(fu)溫(wen)(wen)(wen)(wen)度系數熱敏電(dian)阻(zu)(zu)R3貼(tie)裝于(yu)(yu)(yu)3DD15金(jin)(jin)屬外(wai)殼外(wai)表，監控溫(wen)(wen)(wen)(wen)度改(gai)變。3DD15金(jin)(jin)屬外(wai)殼外(wai)表還固(gu)定(ding)(ding)有(you)直徑lcm長5cm的鋁(lv)管(guan)，用(yong)(yong)于(yu)(yu)(yu)放置被(bei)測溫(wen)(wen)(wen)(wen)度傳感器探頭。作業(ye)后(hou)跟(gen)著溫(wen)(wen)(wen)(wen)度的升高R3阻(zu)(zu)值逐漸變小，a、b兩點壓(ya)(ya)(ya)差逐漸加大。當(dang)到(dao)(dao)達D2導通(tong)(tong)電(dian)壓(ya)(ya)(ya)時，發(fa)光(guang)指示(shi)設定(ding)(ding)溫(wen)(wen)(wen)(wen)度已(yi)到(dao)(dao)（約(yue)Smin），能夠(gou)校(xiao)驗溫(wen)(wen)(wen)(wen)度傳感器，此(ci)刻(ke)3DD15金(jin)(jin)屬外(wai)殼外(wai)表約(yue)70℃左右。剛作業(ye)時電(dian)流(liu)(liu)約(yue)3A左右，跟(gen)著溫(wen)(wen)(wen)(wen)度升高b點電(dian)壓(ya)(ya)(ya)升高，Tl、T2導通(tong)(tong)程度減(jian)弱，隨即(ji)(ji)電(dian)流(liu)(liu)減(jian)小，到(dao)(dao)達80C左右時溫(wen)(wen)(wen)(wen)度不(bu)再(zai)升高并(bing)保持，此(ci)刻(ke)電(dian)流(liu)(liu)約(yue)1.。此(ci)設備的優點是(shi)(shi)不(bu)需要現場另接電(dian)源，而是(shi)(shi)使(shi)用(yong)(yong)礦(kuang)工自己帶著的礦(kuang)燈電(dian)瓶(7Ah/4.2V)供電(dian)，摘下礦(kuang)燈擰(ning)上即(ji)(ji)可，即(ji)(ji)便利又(you)防爆。