KR-939SB3風機安全監控儀

溫(wen)度(du)測(ce)(ce)量(liang)(liang)(liang)特(te)性(xing)(xing)(xing)(xing)： 潤(run)滑油(you)溫(wen)度(du)測(ce)(ce)量(liang)(liang)(liang)范(fan)圍(wei)：0～100 ℃ ， 溫(wen)度(du)測(ce)(ce)量(liang)(liang)(liang)綜(zong)(zong)合(he)誤(wu)差：±1℃ 油(you)位(wei)(wei)(wei)測(ce)(ce)量(liang)(liang)(liang)特(te)性(xing)(xing)(xing)(xing)：潤(run)滑油(you)油(you)位(wei)(wei)(wei)測(ce)(ce)量(liang)(liang)(liang)范(fan)圍(wei)：-10～40㎜（0㎜處為(wei)減速(su)箱正常油(you)位(wei)(wei)(wei)下油(you)限位(wei)(wei)(wei)置）， 油(you)位(wei)(wei)(wei)測(ce)(ce)量(liang)(liang)(liang)綜(zong)(zong)合(he)誤(wu)差： ±5㎜ 初上電(dian)(dian)(dian)時(shi)(shi)(shi)(shi)需(xu)穩定(ding)預熱約2分(fen)鐘；響應阻(zu)(zu)尼時(shi)(shi)(shi)(shi)間約1分(fen)鐘；被測(ce)(ce)介質(zhi)必(bi)(bi)須是非導(dao)(dao)電(dian)(dian)(dian)性(xing)(xing)(xing)(xing)介質(zhi)。振動(dong)(dong)測(ce)(ce)量(liang)(liang)(liang)特(te)性(xing)(xing)(xing)(xing)：振動(dong)(dong)測(ce)(ce)量(liang)(liang)(liang)范(fan)圍(wei)：0～20 ㎜/s ，測(ce)(ce)量(liang)(liang)(liang)輸(shu)(shu)(shu)出(chu)(chu)(chu)(chu)與(yu)(yu)振動(dong)(dong)速(su)度(du)的(de)真有效值（RMS）成(cheng)正比，振動(dong)(dong)測(ce)(ce)量(liang)(liang)(liang)頻(pin)帶范(fan)圍(wei)：10～1000HZ，振動(dong)(dong)測(ce)(ce)量(liang)(liang)(liang)綜(zong)(zong)合(he)誤(wu)差：±1㎜/s信(xin)號輸(shu)(shu)(shu)出(chu)(chu)(chu)(chu)特(te)性(xing)(xing)(xing)(xing)：有源(yuan)電(dian)(dian)(dian)流型(xing)(xing)(xing)輸(shu)(shu)(shu)出(chu)(chu)(chu)(chu)：DC/4～20mA ，要求(qiu)無源(yuan)電(dian)(dian)(dian)阻(zu)(zu)性(xing)(xing)(xing)(xing)負載(zai)(zai)(zai)。zui大(da)負載(zai)(zai)(zai)電(dian)(dian)(dian)阻(zu)(zu)測(ce)(ce)算（含(han)傳(chuan)輸(shu)(shu)(shu)線(xian)(xian)(xian)(xian)內阻(zu)(zu)）： Rmax=（V－15）/0.02 （其中V為(wei)供(gong)電(dian)(dian)(dian)電(dian)(dian)(dian)壓(ya)）供(gong)電(dian)(dian)(dian)特(te)性(xing)(xing)(xing)(xing)：工(gong)作(zuo)電(dian)(dian)(dian)壓(ya)：DC/24V±2V，空載(zai)(zai)(zai)工(gong)作(zuo)電(dian)(dian)(dian)壓(ya)：DC/18V，zui高(gao)保護電(dian)(dian)(dian)壓(ya)：DC/30V ，額定(ding)電(dian)(dian)(dian)流：DC/80mA,zui大(da)瞬時(shi)(shi)(shi)(shi)工(gong)作(zuo)電(dian)(dian)(dian)流：150mA，內設電(dian)(dian)(dian)壓(ya)極性(xing)(xing)(xing)(xing)反(fan)接(jie)保護。 環(huan)境(jing)特(te)性(xing)(xing)(xing)(xing)：環(huan)境(jing)溫(wen)度(du)范(fan)圍(wei)：－20～80℃，環(huan)境(jing)濕度(du)范(fan)圍(wei)：0～99.9％（端(duan)口使(shi)用(yong)(yong)(yong)704硅橡(xiang)膠(jiao)密(mi)封(feng)(feng)）電(dian)(dian)(dian)氣(qi)連(lian)接(jie)：5線(xian)(xian)(xian)(xian)6端(duan)子連(lian)接(jie)： 1# +V：+24V電(dian)(dian)(dian)源(yuan)； 2# G：與(yu)(yu)外殼連(lian)通(tong)可(ke)接(jie)屏蔽； 3# -V：公共(gong)地線(xian)(xian)(xian)(xian)； 4# T：溫(wen)度(du)信(xin)號輸(shu)(shu)(shu)出(chu)(chu)(chu)(chu)； 5# A：振動(dong)(dong)信(xin)號輸(shu)(shu)(shu)出(chu)(chu)(chu)(chu)； 6# L：油(you)位(wei)(wei)(wei)信(xin)號輸(shu)(shu)(shu)出(chu)(chu)(chu)(chu)。 典型(xing)(xing)(xing)接(jie)線(xian)(xian)(xian)(xian)參(can)見［圖(tu)2］探(tan)(tan)頭接(jie)線(xian)(xian)(xian)(xian)原理示(shi)意圖(tu)。探(tan)(tan)頭可(ke)選配與(yu)(yu)KR-939B3型(xing)(xing)(xing)風(feng)(feng)機(ji)安全監控器連(lian)接(jie)使(shi)用(yong)(yong)(yong)，參(can)見［圖(tu)3］KR-939B3面板示(shi)意圖(tu)，和［圖(tu)4］探(tan)(tan)頭與(yu)(yu)KR-939B3接(jie)線(xian)(xian)(xian)(xian)示(shi)意圖(tu)。探(tan)(tan)頭與(yu)(yu)分(fen)布式計算機(ji)測(ce)(ce)控系(xi)統DCS連(lian)接(jie)使(shi)用(yong)(yong)(yong)時(shi)(shi)(shi)(shi)，參(can)見［圖(tu)5］與(yu)(yu)DCS-AI輸(shu)(shu)(shu)入模(mo)塊接(jie)線(xian)(xian)(xian)(xian)示(shi)意圖(tu)例。探(tan)(tan)頭與(yu)(yu)可(ke)編程邏輯控制(zhi)器PLC連(lian)接(jie)使(shi)用(yong)(yong)(yong)時(shi)(shi)(shi)(shi)，參(can)見［圖(tu)6］與(yu)(yu)PLC-AI輸(shu)(shu)(shu)入模(mo)塊接(jie)線(xian)(xian)(xian)(xian)示(shi)意圖(tu)例。l 引線(xian)(xian)(xian)(xian)與(yu)(yu)維護：探(tan)(tan)頭電(dian)(dian)(dian)纜(lan)(lan)參(can)考配線(xian)(xian)(xian)(xian)規格(ge)為(wei)5×0.3㎜2/RVVP型(xing)(xing)(xing)五芯屏蔽電(dian)(dian)(dian)纜(lan)(lan)，電(dian)(dian)(dian)纜(lan)(lan)密(mi)封(feng)(feng)外徑(jing)應在(zai)￠6～￠7mm；由于(yu)風(feng)(feng)筒(tong)內的(de)高(gao)濕度(du)環(huan)境(jing)，電(dian)(dian)(dian)纜(lan)(lan)必(bi)(bi)需(xu)嚴格(ge)用(yong)(yong)(yong)硅橡(xiang)膠(jiao)做好(hao)密(mi)封(feng)(feng)！用(yong)(yong)(yong)戶zui hao在(zai)出(chu)(chu)(chu)(chu)廠時(shi)(shi)(shi)(shi)向廠方(fang)定(ding)制(zhi)一(yi)(yi)條(tiao)長度(du)為(wei)10～15m的(de)預封(feng)(feng)裝(zhuang)電(dian)(dian)(dian)纜(lan)(lan)，安裝(zhuang)時(shi)(shi)(shi)(shi)將(jiang)(jiang)電(dian)(dian)(dian)纜(lan)(lan)引出(chu)(chu)(chu)(chu)至風(feng)(feng)筒(tong)外部(bu)接(jie)線(xian)(xian)(xian)(xian)盒內進行(xing)連(lian)接(jie)。長期運(yun)行(xing)或潤(run)滑油(you)過臟都會導(dao)(dao)至油(you)位(wei)(wei)(wei)測(ce)(ce)量(liang)(liang)(liang)出(chu)(chu)(chu)(chu)現誤(wu)差，此(ci)時(shi)(shi)(shi)(shi)將(jiang)(jiang)探(tan)(tan)頭拆下，使(shi)探(tan)(tan)桿部(bu)分(fen)往復浸入非水性(xing)(xing)(xing)(xing)有機(ji)溶劑中對油(you)垢進行(xing)清(qing)洗，即恢復正常。l 防(fang)爆型(xing)(xing)(xing)產品：在(zai)爆炸性(xing)(xing)(xing)(xing)氣(qi)體環(huan)境(jing)下,可(ke)選擇(ze)具有相應防(fang)爆等級的(de)防(fang)爆型(xing)(xing)(xing)產品， 如ExdⅡBT4 。防(fang)爆型(xing)(xing)(xing)探(tan)(tan)頭的(de)外殼接(jie)地線(xian)(xian)(xian)(xian)“G”必(bi)(bi)須良好(hao)接(jie)地。注：通(tong)常探(tan)(tan)頭在(zai)供(gong)貨時(shi)(shi)(shi)(shi)已預先封(feng)(feng)裝(zhuang)好(hao)一(yi)(yi)條(tiao)五芯屏蔽電(dian)(dian)(dian)纜(lan)(lan)，

        KR-939SB3風機安全監控儀