YXG-1520-B/21(防爆感應式(shi)）電接點壓力表 上海自動化儀表四廠的詳細資料

上(shang)海自動(dong)化儀(yi)表(biao)四(si)廠生產的YXG-1520-B/21(防爆(bao)(bao)感應式）電接點壓(ya)力(li)表(biao)是(shi)于某些有爆(bao)(bao)炸危(wei)險場所有儀(yi)表(biao)，該表(biao)具有對工藝(yi)流(liu)程中的流(liu)體介(jie)質的壓(ya)力(li)參(can)量(liang)進行檢測、自動(dong)控制、自動(dong)報警等功能。

YXG-1520-B/21(防(fang)(fang)爆(bao)(bao)感應(ying)式）電接點壓力表(biao)(biao)主要用(yong)(yong)于核電、化工(gong)、船舶、冶金(jin)等(deng)行業。本(ben)儀(yi)表(biao)(biao)按《GB3836.1-2000爆(bao)(bao)炸性環境用(yong)(yong)防(fang)(fang)爆(bao)(bao)電氣(qi)設(she)備通用(yong)(yong)要求》和《GB3836.4-2000O爆(bao)(bao)炸性環境電氣(qi)設(she)備本(ben)質(zhi)安(an)全(quan)型(xing)電路和電氣(qi)設(she)備“i”》兩標(biao)準設(she)計制造的(de)(de)(de)，儀(yi)器儀(yi)表(biao)(biao)防(fang)(fang)爆(bao)(bao)站安(an)全(quan)監(jian)督檢驗(yan)站檢驗(yan)儀(yi)表(biao)(biao)與(yu)安(an)全(quan)柵（推薦選用(yong)(yong)德國“P+F”公司的(de)(de)(de)KFD2-SR2-EX1.W或KFD2-SR2-EX2.W）配套使(shi)用(yong)(yong)，可構成本(ben)質(zhi)安(an)全(quan)防(fang)(fang)爆(bao)(bao)系統。儀(yi)表(biao)(biao)防(fang)(fang)爆(bao)(bao)標(biao)志為(wei)ExibllCT6,儀(yi)表(biao)(biao)防(fang)(fang)爆(bao)(bao)合格證編號為(wei)GYB05169。該表(biao)(biao)可適用(yong)(yong)于戶內(nei)或有遮蓋物的(de)(de)(de)1區(qu)和2區(qu)的(de)(de)(de)爆(bao)(bao)炸性工(gong)廠危險場(chang)所。

YXG-1520-B/21(防爆感應式）電(dian)接(jie)點壓力表與(yu)外(wai)設備用適當的電(dian)路(lu)連接(jie)后，便能發(fa)出所需(xu)的報(bao)警(jing)信(xin)號或開、停機(ji)等控(kong)制(zhi)的壓力的動作，將系統壓力控(kong)制(zhi)在(zai)所需(xu)范圍(wei)內。

YXG-1520-B/21(防爆感應式）電接點壓力表為本(ben)質安全型儀表，當其與關聯設備相(xiang)聯后，便能與電網(wang)相(xiang)聯構成本(ben)安防爆系統。

YXG-1520-B/21(防爆感應式）電接點壓力表

本(ben)儀(yi)表的測(ce)理各級(ji)黨組(zu)織充由(you)(you)彈簧管、拉桿和齒輪(lun)傳動機(ji)構(gou)、示(shi)值部件組(zu)成。被(bei)測(ce)介質的壓力作用于(yu)彈簧管，使(shi)其自由(you)(you)端產生位(wei)移，由(you)(you)拉桿傳到齒輪(lun)傳動機(ji)構(gou)予以放大，并轉(zhuan)換成指針的轉(zhuan)動，在度盤上指示(shi)出被(bei)測(ce)值。

本儀表(biao)的(de)(de)(de)(de)(de)接(jie)點(dian)(dian)(dian)(dian)形式(shi)(shi)為感(gan)應(ying)(ying)(ying)(ying)式(shi)(shi)接(jie)點(dian)(dian)(dian)(dian)開關(guan)(guan)(guan)，是(shi)由(you)(you)安(an)裝在(zai)上(shang)(shang)(shang)、下(xia)限(xian)(xian)(xian)(xian)(xian)(xian)(xian)設定針(zhen)(zhen)上(shang)(shang)(shang)的(de)(de)(de)(de)(de)感(gan)應(ying)(ying)(ying)(ying)開關(guan)(guan)(guan)及信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)針(zhen)(zhen)組成。其關(guan)(guan)(guan)鍵(jian)器(qi)——感(gan)應(ying)(ying)(ying)(ying)開關(guan)(guan)(guan)由(you)(you)德國的(de)(de)(de)(de)(de)“P+F公司”制造。接(jie)點(dian)(dian)(dian)(dian)發出(chu)位(wei)式(shi)(shi)信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)的(de)(de)(de)(de)(de)工作原(yuan)理以(yi)YXG-1520-B/21為例加以(yi)說(shuo)明：當(dang)壓(ya)(ya)(ya)力為零時(shi)，上(shang)(shang)(shang)限(xian)(xian)(xian)(xian)(xian)(xian)(xian)接(jie)點(dian)(dian)(dian)(dian)輸出(chu)為小(xiao)于1mA的(de)(de)(de)(de)(de)斷態信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)，下(xia)限(xian)(xian)(xian)(xian)(xian)(xian)(xian)接(jie)點(dian)(dian)(dian)(dian)輸出(chu)為大(da)于3mA的(de)(de)(de)(de)(de)通態信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)。當(dang)壓(ya)(ya)(ya)力上(shang)(shang)(shang)升(sheng)到達下(xia)限(xian)(xian)(xian)(xian)(xian)(xian)(xian)值(zhi)(zhi)時(shi)，下(xia)限(xian)(xian)(xian)(xian)(xian)(xian)(xian)信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)針(zhen)(zhen)進入下(xia)限(xian)(xian)(xian)(xian)(xian)(xian)(xian)感(gan)應(ying)(ying)(ying)(ying)開關(guan)(guan)(guan)的(de)(de)(de)(de)(de)縫(feng)隙(xi)中，使(shi)(shi)下(xia)限(xian)(xian)(xian)(xian)(xian)(xian)(xian)感(gan)應(ying)(ying)(ying)(ying)開關(guan)(guan)(guan)電氣狀(zhuang)(zhuang)態改(gai)變(bian)(bian)(bian)，下(xia)限(xian)(xian)(xian)(xian)(xian)(xian)(xian)接(jie)點(dian)(dian)(dian)(dian)輸出(chu)立即跳變(bian)(bian)(bian)成小(xiao)于1mA的(de)(de)(de)(de)(de)斷太信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)。當(dang)壓(ya)(ya)(ya)力繼續(xu)(xu)上(shang)(shang)(shang)升(sheng)，下(xia)限(xian)(xian)(xian)(xian)(xian)(xian)(xian)信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)針(zhen)(zhen)保(bao)留，接(jie)點(dian)(dian)(dian)(dian)信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)保(bao)持。當(dang)壓(ya)(ya)(ya)力上(shang)(shang)(shang)升(sheng)到達上(shang)(shang)(shang)限(xian)(xian)(xian)(xian)(xian)(xian)(xian)值(zhi)(zhi)時(shi)，上(shang)(shang)(shang)限(xian)(xian)(xian)(xian)(xian)(xian)(xian)信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)針(zhen)(zhen)被(bei)帶離(li)上(shang)(shang)(shang)限(xian)(xian)(xian)(xian)(xian)(xian)(xian)感(gan)應(ying)(ying)(ying)(ying)開關(guan)(guan)(guan)的(de)(de)(de)(de)(de)縫(feng)隙(xi)，使(shi)(shi)上(shang)(shang)(shang)限(xian)(xian)(xian)(xian)(xian)(xian)(xian)感(gan)應(ying)(ying)(ying)(ying)開關(guan)(guan)(guan)的(de)(de)(de)(de)(de)電氣狀(zhuang)(zhuang)態改(gai)變(bian)(bian)(bian)，上(shang)(shang)(shang)限(xian)(xian)(xian)(xian)(xian)(xian)(xian)接(jie)點(dian)(dian)(dian)(dian)輸出(chu)立即跳變(bian)(bian)(bian)成大(da)于3mA的(de)(de)(de)(de)(de)通態信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)。壓(ya)(ya)(ya)力繼續(xu)(xu)上(shang)(shang)(shang)升(sheng)，信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)保(bao)持。當(dang)壓(ya)(ya)(ya)力回(hui)(hui)(hui)落至上(shang)(shang)(shang)限(xian)(xian)(xian)(xian)(xian)(xian)(xian)值(zhi)(zhi)時(shi)，上(shang)(shang)(shang)限(xian)(xian)(xian)(xian)(xian)(xian)(xian)信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)又插回(hui)(hui)(hui)上(shang)(shang)(shang)限(xian)(xian)(xian)(xian)(xian)(xian)(xian)感(gan)應(ying)(ying)(ying)(ying)開關(guan)(guan)(guan)的(de)(de)(de)(de)(de)縫(feng)隙(xi)中，上(shang)(shang)(shang)限(xian)(xian)(xian)(xian)(xian)(xian)(xian)感(gan)應(ying)(ying)(ying)(ying)開關(guan)(guan)(guan)又回(hui)(hui)(hui)復(fu)原(yuan)來的(de)(de)(de)(de)(de)狀(zhuang)(zhuang)態，使(shi)(shi)上(shang)(shang)(shang)限(xian)(xian)(xian)(xian)(xian)(xian)(xian)接(jie)點(dian)(dian)(dian)(dian)輸出(chu)跳變(bian)(bian)(bian)回(hui)(hui)(hui)小(xiao)于1mA的(de)(de)(de)(de)(de)斷態信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)。壓(ya)(ya)(ya)力繼續(xu)(xu)下(xia)限(xian)(xian)(xian)(xian)(xian)(xian)(xian)，信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)保(bao)持。歌劇(ju)中的(de)(de)(de)(de)(de)*女(nv)主(zhu)角壓(ya)(ya)(ya)力下(xia)降至下(xia)限(xian)(xian)(xian)(xian)(xian)(xian)(xian)值(zhi)(zhi)時(shi)，下(xia)限(xian)(xian)(xian)(xian)(xian)(xian)(xian)信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)針(zhen)(zhen)又被(bei)帶離(li)下(xia)限(xian)(xian)(xian)(xian)(xian)(xian)(xian)感(gan)應(ying)(ying)(ying)(ying)開關(guan)(guan)(guan)的(de)(de)(de)(de)(de)縫(feng)隙(xi)，下(xia)限(xian)(xian)(xian)(xian)(xian)(xian)(xian)感(gan)應(ying)(ying)(ying)(ying)開關(guan)(guan)(guan)又回(hui)(hui)(hui)復(fu)原(yuan)來的(de)(de)(de)(de)(de)狀(zhuang)(zhuang)態，使(shi)(shi)下(xia)限(xian)(xian)(xian)(xian)(xian)(xian)(xian)接(jie)點(dian)(dian)(dian)(dian)輸出(chu)跳變(bian)(bian)(bian)回(hui)(hui)(hui)大(da)于3mA的(de)(de)(de)(de)(de)通態信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)。

YXG-1520-B/21(防爆感應式）電接點壓力表

精確度(du)等級：1.6

測(ce)量(liang)范(fan)圍：0-0.1   0-0.16  0-0.25  0-0.4  0-0.6  0-1  0-1.6  0-2.5  0-4  0-6  0-10  0-16  0-25  0-40  0-60

-0.1-0  -0.1-0.06  -0.1-0.15  -0.1-0.3  -0.1-0.5  -0.1-0.9  -0.1-1.5  -0.1-2.4Mpa

控(kong)制方式：感應(ying)式電流開(kai)關（引進德國P+F公司的器件）

工作電(dian)壓：8V  DC

工作電流：通態≥3mA、斷態≤1Ma

二限zui小的(de)間隔范圍：滿量程的(de)2.5%

工作環境溫度：-10℃--+55℃

重量：1.5kg