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        1. 新聞(wen)中(zhong)心(xin)

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          當前(qian)位(wei)置:首(shou)頁新聞(wen)中(zhong)心(xin)

          • 20226-13
            工業可燃氣體探(tan)測(ce)器的集中(zhong)管(guan)理和(he)安(an)裝(zhuang)結(jie)束(shu)後(hou)的維(wei)護(hu)管(guan)理

            工(gong)業可(ke)燃氣體探(tan)測(ce)器標(biao)配(pei)可滿(man)足探測(ce)現(xian)場(chang)聲光(guang)報(bao)警(jing)提(ti)示,並實時顯(xian)示(shi)監(jian)控(kong)現(xian)場(chang)氣(qi)體(ti)濃(nong)度(du),儀表(biao)分(fen)為(wei)基(ji)本(ben)型及其(qi)現(xian)場(chang)顯(xian)示(shi)數(shu)據型功(gong)能(neng),用(yong)戶可(ke)根(gen)據需求(qiu)購(gou)買適合監(jian)控(kong)場(chang)所(suo)使用(yong)的儀表(biao),現(xian)場(chang)顯(xian)示(shi)型儀表(biao)調(tiao)試(shi)采(cai)用(yong)紅外(wai)遙(yao)控(kong)式(shi),無(wu)需開蓋(gai)用(yong)遙控(kong)器即可(ke)進行(xing)參(can)數(shu)設置(zhi)。工業(ye)可(ke)燃氣(qi)體(ti)探(tan)測器的集中(zhong)管(guan)理:探(tan)測器進行(xing)集中(zhong)管(guan)理。企(qi)業建(jian)立有儀器充電(dian)、發放、維修(xiu)調校(xiao)等(deng)工作場(chang)所(suo),由(you)專職人(ren)員(yuan)進行(xing)集中(zhong)管(guan)理,統(tong)壹(yi)發放;每天早晨上班時,使用(yong)人員(yuan)到固定場(chang)所(suo)領(ling)取探測器,下班後(hou)交(jiao)還(hai)儀器。儀器管(guan)理維(wei)修(xiu)人員(yuan)對(dui)交(jiao)回的儀器進行(xing)檢查。檢(jian)查儀器外觀(guan)是否完(wan)好,其(qi)...

          • 20226-6
            工業溫度(du)傳(chuan)感(gan)器按(an)測量(liang)方式(shi)可分(fen)為(wei)接(jie)觸(chu)式(shi)和(he)非(fei)接(jie)觸(chu)式(shi)兩大類

            工業(ye)溫度(du)傳(chuan)感(gan)器是指(zhi)能(neng)感受(shou)溫度(du)並轉(zhuan)換(huan)成(cheng)可用(yong)輸出(chu)信(xin)號(hao)的傳(chuan)感(gan)器,是溫(wen)度(du)測(ce)量儀表(biao)的核(he)心(xin)部(bu)分(fen),品(pin)種(zhong)繁(fan)多(duo)。對(dui)於(yu)環境(jing)溫(wen)度(du)的測(ce)量(liang)非常(chang)準確,廣(guang)泛應用(yong)於(yu)農(nong)業、工(gong)業、車(che)間(jian)、庫(ku)房等(deng)領(ling)域。工業溫度(du)傳(chuan)感(gan)器的基(ji)本(ben)要求(qiu)是(shi):1、在測溫(wen)範(fan)圍內,熱電(dian)性(xing)質穩(wen)定,不隨時間(jian)而變(bian)化(hua),有(you)足夠的物理化(hua)學穩(wen)定性(xing),不易氧化(hua)或腐(fu)蝕;2、電(dian)阻(zu)溫(wen)度(du)系(xi)數(shu)小,導電(dian)率(lv)高(gao),比(bi)熱小;3、測溫(wen)中(zhong)產(chan)生(sheng)熱電(dian)勢要大,並且熱電(dian)勢與溫度(du)之(zhi)間(jian)呈線(xian)性(xing)或接(jie)近線性(xing)的單(dan)值函數(shu)關(guan)系(xi);4、材料(liao)復制(zhi)性(xing)好,機械強度(du)高(gao),制(zhi)造工(gong)藝簡單(dan),價格(ge)便宜。工業(ye)溫度(du)傳(chuan)感(gan)器按(an)測量(liang)方式(shi)可分(fen)為(wei)接(jie)...

          • 20225-30
            安(an)裝(zhuang)固定式(shi)可燃(ran)氣(qi)體檢測(ce)儀前(qian)需考(kao)慮安(an)裝(zhuang)和(he)使用(yong)的各(ge)種(zhong)因素(su)

            在(zai)安(an)裝(zhuang)前(qian),需綜合考(kao)慮可能(neng)影(ying)響(xiang)固定式(shi)可燃(ran)氣(qi)體檢測(ce)儀安(an)裝(zhuang)和(he)使用(yong)的各(ge)種(zhong)因素(su):1、根(gen)據泄漏(lou)氣體的密(mi)度(du)(大於(yu)或小於(yu)空(kong)氣),結(jie)合氣(qi)流趨勢,合成(cheng)泄漏(lou)的三(san)維(wei)流動趨勢圖,在下遊位(wei)置(zhi)做(zuo)出(chu)初始設定點方案(an)它的流動。2、檢(jian)查泄漏(lou)點的泄漏(lou)狀態是微泄漏(lou)還(hai)是(shi)噴(pen)射狀。如(ru)果是輕微泄漏(lou),則設定點的位(wei)置(zhi)應靠近泄漏(lou)點。如果是(shi)射流泄漏(lou),請稍(shao)微遠離(li)泄漏(lou)處。基(ji)於(yu)這(zhe)些條(tiao)件,制(zhi)定了場(chang)地規劃。通(tong)過(guo)這(zhe)種(zhong)方式(shi),可以(yi)估計(ji)要購(gou)買的數(shu)量和(he)品(pin)種(zhong)。3、根據該(gai)場(chang)所(suo)的風(feng)向(xiang)、風向(xiang)等(deng)具(ju)體因素(su),確(que)定大量(liang)泄漏(lou)時可(ke)燃(ran)氣體(ti)的泄漏(lou)方向(xiang)。4、對(dui)於(yu)有(you)氫氣泄漏(lou)的場(chang)所(suo)...

          • 20225-20
            溫(wen)度(du)采(cai)集模塊可(ke)以用(yong)來(lai)測量電(dian)壓(ya)或電(dian)流信(xin)號(hao)

            溫(wen)度(du)采(cai)集模塊包括熱電(dian)偶(ou)輸(shu)入的溫(wen)度(du)采(cai)集產品(pin)。可(ke)以將熱電(dian)偶(ou)輸(shu)出信(xin)號(hao)直(zhi)接(jie)轉(zhuan)換(huan)為(wei)溫度(du)值,通過(guo)RS232或者RS485隔(ge)離(li)傳(chuan)輸(shu)至(zhi)終端(duan),如(ru)PC、PLC、工控(kong)機、觸(chu)摸屏(ping)等(deng);通過(guo)轉(zhuan)網模(mo)塊可(ke)將數(shu)據傳(chuan)輸(shu)至(zhi)雲端(duan)。溫(wen)度(du)采(cai)集模塊可(ke)以用(yong)來(lai)測量電(dian)壓(ya)或電(dian)流信(xin)號(hao):1、模(mo)擬(ni)信(xin)號(hao)輸(shu)入采(cai)集精(jing)度(du),壹(yi)路(lu)模(mo)擬(ni)信(xin)號(hao)輸(shu)入。產品(pin)出(chu)廠前(qian)所(suo)有(you)信(xin)號(hao)輸(shu)入範(fan)圍已全(quan)部(bu)校(xiao)準。在使用(yong)時,用(yong)戶也(ye)可以很(hen)方便的自(zi)行(xing)編程校(xiao)準。具(ju)體電(dian)流或電(dian)壓(ya)輸(shu)入量程請看(kan)產品(pin)選型。2、通訊(xun)協議通訊(xun)接(jie)口(kou):1路標(biao)準的RS-485通(tong)訊(xun)接(jie)口(kou)。通訊(xun)協議:支持兩種(zhong)協(xie)議,命令(ling)集定義(yi)的...

          • 20225-12
            來(lai)看(kan)看(kan)插(cha)入式(shi)溫度(du)變(bian)送器的放(fang)大作用(yong)是怎(zen)樣(yang)的?

            插(cha)入式(shi)溫度(du)變(bian)送器具(ju)有普(pu)通溫(wen)度(du)變(bian)送器的基(ji)本(ben)功(gong)能(neng),它將(jiang)溫度(du)傳(chuan)感(gan)元件(熱電(dian)阻(zu)或熱電(dian)偶(ou))與信(xin)號(hao)轉(zhuan)換(huan)放(fang)大單(dan)元有機集成在(zai)壹(yi)起(qi),除輸出(chu)與溫度(du)成(cheng)線性(xing)的4-20mA信(xin)號(hao)之(zhi)外(wai),同時具(ju)有現(xian)場(chang)指(zhi)示(shi)或顯(xian)示(shi)功(gong)能(neng)。具(ju)有堅(jian)固美(mei)觀的外(wai)殼(ke),雙層(ceng)結(jie)構(gou),3位(wei)半(ban)LCD或LED顯(xian)示(shi),也(ye)可選0-指(zhi)針(zhen)指(zhi)示(shi),內(nei)部(bu)電(dian)路(lu)采(cai)用(yong)大規模集成電(dian)路(lu)、信(xin)號(hao)穩(wen)定,顯(xian)示(shi)清(qing)晰,對(dui)現(xian)場(chang)校(xiao)表(biao)、巡表(biao)十(shi)分(fen)方便。插(cha)入式(shi)溫度(du)變(bian)送器的放(fang)大作用(yong):壹(yi)般(ban)由(you)基(ji)準源、冷(leng)端(duan)補償(chang)、放(fang)大單(dan)元、線性(xing)化(hua)處理(li)、V/I轉(zhuan)換(huan)、斷(duan)偶處理(li)、反(fan)接(jie)保(bao)護、限(xian)流保護等(deng)電(dian)路(lu)單(dan)元組(zu)成(cheng)。它是(shi)將熱電(dian)偶(ou)產(chan)生(sheng)...

          • 20225-5
            非接(jie)觸(chu)式(shi)溫度(du)傳(chuan)感(gan)器的測(ce)量(liang)方法(fa)和(he)具(ju)備(bei)的功(gong)能(neng)介紹(shao)

            非(fei)接(jie)觸(chu)式(shi)溫度(du)傳(chuan)感(gan)器基於(yu)黑(hei)體輻射的基(ji)本(ben)定律(lv),稱為(wei)輻(fu)射測溫(wen)儀表(biao)。輻(fu)射測溫(wen)法包括亮度(du)法(fa)、輻射法和(he)比(bi)色法(fa)。各(ge)類輻射測溫(wen)方法(fa)只(zhi)能(neng)測出(chu)對(dui)應的光(guang)度(du)溫(wen)度(du)、輻(fu)射溫度(du)或比(bi)色溫(wen)度(du)。只(zhi)有(you)對(dui)黑(hei)體(ti)(吸收(shou)全(quan)部(bu)輻(fu)射並不反射光的物體)所(suo)測(ce)溫度(du)才(cai)是真實溫度(du)。如(ru)欲測定物體的真實溫度(du),則必(bi)須(xu)進(jin)行(xing)材(cai)料表(biao)面(mian)發射率(lv)的修(xiu)正。而材(cai)料(liao)表(biao)面(mian)發射率(lv)不(bu)僅(jin)取(qu)決(jue)於(yu)溫(wen)度(du)和(he)波長(chang),而且(qie)還(hai)與表(biao)面(mian)狀(zhuang)態、塗膜(mo)和(he)微觀組(zu)織等(deng)有關(guan),因此(ci)很(hen)難精(jing)確測(ce)量。在(zai)自動化(hua)生(sheng)產中(zhong)往(wang)往(wang)需要利(li)用(yong)輻射測溫(wen)法來(lai)測量或控制(zhi)某些(xie)物體的表(biao)面(mian)溫(wen)度(du),如(ru)冶(ye)金中(zhong)的鋼(gang)帶(dai)軋制(zhi)溫度(du)、軋(zha)輥溫度(du)、鍛(duan)件...

          • 20224-28
            開關(guan)電(dian)源模(mo)塊的工(gong)作原(yuan)理(li)與其所(suo)具(ju)備(bei)的特(te)點是什(shen)麽

            開關(guan)電(dian)源模(mo)塊的工(gong)作原(yuan)理(li):三(san)相(xiang)交(jiao)流輸入先經防雷處理(li)和(he)EMI濾(lv)波。該(gai)部(bu)分(fen)電(dian)路(lu)可(ke)以有效(xiao)吸收(shou)雷(lei)擊(ji)殘(can)壓(ya)和(he)電(dian)網尖(jian)單(dan)相(xiang)交(jiao)流經整流和(he)無(wu)源PFC後(hou)轉(zhuan)換(huan)成(cheng)高(gao)壓(ya)直(zhi)流電(dian),經全(quan)橋(qiao)PWM電(dian)路(lu)後(hou)轉(zhuan)換(huan)為(wei)高(gao)頻交(jiao)流,模塊控(kong)制(zhi)部(bu)分(fen)負(fu)責PWM信(xin)號(hao)產(chan)生(sheng)及控(kong)制(zhi),保證(zheng)輸(shu)出(chu)穩定,同時對(dui)模(mo)塊各(ge)部(bu)分(fen)進(jin)行(xing)保(bao)護(hu)。模塊采(cai)用(yong)無(wu)源PFC技(ji)術;采(cai)用(yong)高(gao)頻軟開關(guan)技(ji)術,模(mo)塊轉(zhuan)換(huan)效(xiao)率(lv)高(gao)。模塊監(jian)控(kong)采(cai)集電(dian)源工(gong)作參(can)數(shu)並顯(xian)示(shi)後(hou)上傳(chuan)給(gei)主監(jian)控(kong),接(jie)受(shou)主監(jian)控(kong)指(zhi)令(ling)對(dui)電(dian)源進(jin)行(xing)控制(zhi)。開關(guan)電(dian)源模(mo)塊具(ju)有以(yi)下特點:1、采(cai)用(yong)彩色觸(chu)摸屏(ping)作為人(ren)機交(jiao)互媒介,方便、美(mei)觀、所(suo)有(you)數(shu)據壹(yi)目...

          • 20224-21
            使用(yong)集中(zhong)供電(dian)電(dian)源時這(zhe)些(xie)事項要註意!

            集中(zhong)供電(dian)電(dian)源主(zhu)要由(you)整流器、靜(jing)態開關(guan)模塊/手(shou)動旁路(lu)開關(guan)、控制(zhi)單(dan)元及逆(ni)變(bian)器、機架、蓄電(dian)池(chi)組(zu)組(zu)成(cheng)。適用(yong)於(yu)市(shi)電(dian)中(zhong)斷(duan)時各(ge)類壹(yi)級(ji)和(he)特(te)別(bie)重要負(fu)荷(he)的交(jiao)流應急(ji)供電(dian),如(ru)各(ge)類重要計(ji)算(suan)機系(xi)統的供電(dian);各(ge)類建築(zhu)的工(gong)作供電(dian)和(he)消(xiao)防(fang)供電(dian);醫(yi)院(yuan)安(an)全(quan)供電(dian);交(jiao)通系(xi)統高(gao)速公(gong)路(lu)、隧(sui)道、地鐵(tie)、輕軌、民(min)用(yong)機場(chang)的供電(dian);電(dian)力(li)系(xi)統的供電(dian);各(ge)類不能(neng)斷電(dian)的生(sheng)產、實驗(yan)設備(bei)的供電(dian)。是(shi)設(she)備(bei)要求(qiu)純(chun)凈正弦(xian)波高(gao)質量(liang)供電(dian)電(dian)源。集中(zhong)供電(dian)電(dian)源的功(gong)能(neng):●采(cai)用(yong)壹(yi)體(ti)式(shi)設計(ji),集成應急(ji)電(dian)源和(he)分(fen)配(pei)電(dian)裝(zhuang)置(zhi)功(gong)能(neng)。●LCD液晶顯(xian)示(shi),可顯(xian)示(shi)市電(dian)電(dian)壓(ya)、電(dian)池(chi)電(dian)壓(ya)、負(fu)載電(dian)流等(deng)...

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