搜索關鍵詞:儀表
簡要描述:射頻(pin)導納式(shi)(shi)液位開(kai)關(guan)是(shi)電容式(shi)(shi)物位開(kai)關(guan)的(de)換代產品(pin)(pin),解決了物料(liao)(liao)粘附(fu)問題,相比其它同類產品(pin)(pin)具有更(geng)高(gao)的(de)系統穩定(ding)性。即使在惡劣的(de)現場條件下(xia),也能(neng)可靠(kao)工作,而不受(shou)掛料(liao)(liao)、溫度、壓力、材料(liao)(liao)密(mi)度、濕度、甚至物料(liao)(liao)化學特性變(bian)化的(de)影響(xiang)。
品牌 | 其他品牌 | 產地 | 國產 |
---|---|---|---|
加工定制 | 是 |
射頻導納式液位開關是電容式物(wu)位開關(guan)的換代(dai)產(chan)品(pin)(pin),解決了物(wu)料粘附問題,相比其(qi)它同類產(chan)品(pin)(pin)具有更高的系(xi)統穩定性(xing)。即使在惡(e)劣的現場條件下,也能可靠工作,而(er)不受掛料、溫(wen)度、壓力、材料密度、濕度、甚至物(wu)料化學特性(xing)變(bian)化的影(ying)響(xiang)。
測量原理:
射頻導納式液位開關儀表是一(yi)種從電(dian)(dian)(dian)(dian)(dian)容式物(wu)位測(ce)量(liang)(liang)(liang)技(ji)術(shu)(shu)(shu)發(fa)展起(qi)來(lai)的(de)(de),防掛料(liao)、更(geng)可靠、更(geng)準確、適用性(xing)(xing)(xing)更(geng)廣的(de)(de)物(wu)位控制技(ji)術(shu)(shu)(shu),射(she)(she)頻導納(na)中的(de)(de)導納(na)的(de)(de)含義為電(dian)(dian)(dian)(dian)(dian)學中阻抗的(de)(de)倒(dao)數(shu),它(ta)由電(dian)(dian)(dian)(dian)(dian)阻性(xing)(xing)(xing)成(cheng)(cheng)分(fen)、電(dian)(dian)(dian)(dian)(dian)容性(xing)(xing)(xing)成(cheng)(cheng)分(fen)、電(dian)(dian)(dian)(dian)(dian)感(gan)性(xing)(xing)(xing)成(cheng)(cheng)分(fen)綜合而(er)成(cheng)(cheng)。而(er)射(she)(she)頻即(ji)發(fa)射(she)(she)高頻無線電(dian)(dian)(dian)(dian)(dian)波,所以射(she)(she)頻導納(na)物(wu)位控制技(ji)術(shu)(shu)(shu)是通過(guo)用高頻無線電(dian)(dian)(dian)(dian)(dian)波測(ce)量(liang)(liang)(liang)被測(ce)介質導納(na)來(lai)實現物(wu)位測(ce)量(liang)(liang)(liang)。射(she)(she)頻導納(na)技(ji)術(shu)(shu)(shu)與(yu)電(dian)(dian)(dian)(dian)(dian)容式技(ji)術(shu)(shu)(shu)zui重(zhong)要的(de)(de)區別在于(yu)測(ce)量(liang)(liang)(liang)量(liang)(liang)(liang)的(de)(de)多樣(yang)化和(he)三(san)電(dian)(dian)(dian)(dian)(dian)極技(ji)術(shu)(shu)(shu)。射(she)(she)頻導納(na)測(ce)量(liang)(liang)(liang)量(liang)(liang)(liang)的(de)(de)多樣(yang)化在于(yu)不止(zhi)是測(ce)電(dian)(dian)(dian)(dian)(dian)容量(liang)(liang)(liang),還有電(dian)(dian)(dian)(dian)(dian)阻和(he)電(dian)(dian)(dian)(dian)(dian)感(gan)量(liang)(liang)(liang),是測(ce)量(liang)(liang)(liang)更(geng)加準確。三(san)電(dian)(dian)(dian)(dian)(dian)極技(ji)術(shu)(shu)(shu)包(bao)括電(dian)(dian)(dian)(dian)(dian)子單元和(he)傳感(gan)器,在測(ce)量(liang)(liang)(liang)電(dian)(dian)(dian)(dian)(dian)極和(he)地極之間加入屏蔽電(dian)(dian)(dian)(dian)(dian)極,將(jiang)測(ce)量(liang)(liang)(liang)電(dian)(dian)(dian)(dian)(dian)極保護(hu)起(qi)來(lai),不受掛料(liao)影響。
基本參數:
供(gong)電:220VAC±50VAC50/60HZ(標準(zhun))或24VDC±5VDC(可選)
輸(shu)出:DPDT繼(ji)電器(雙刀(dao)雙擲)
輸出(chu)容量:220VAC5A
環境溫(wen)度(du):-40°C~70°C
響應時(shi)間(jian):<0.5s延時(shi):1~50s(可選)
分辨率:<0.5PF
火花防護:內置火花防護電路
掃一掃 微信咨詢
©2023 江蘇日豐儀表有限公司 版權所有 技術支持: Sitemap.xml 總訪問量:104674