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壓力變送器品牌

主(zhu)生(sheng)產經(jing)營壓(ya)力(li)變(bian)(bian)送(song)器(qi)(qi)、壓(ya)力(li)傳感(gan)器(qi)(qi)、差(cha)壓(ya)變(bian)(bian)送(song)器(qi)(qi)、無線變(bian)(bian)送(song)器(qi)(qi)、電磁流量計、衛(wei)生(sheng)型(xing)隔膜(mo)壓(ya)力(li)表、液位傳感(gan)器(qi)(qi)、高溫熔體壓(ya)力(li)傳感(gan)器(qi)(qi)、高溫熔體壓(ya)力(li)變(bian)(bian)送(song)器(qi)(qi)等各類(lei)傳感(gan)器(qi)(qi)芯體及工控解決(jue)方案

該系列(lie)無(wu)(wu)線(xian)壓(ya)(ya)力變送器是上海朝輝自(zi)主研發(fa)的(de)低功(gong)耗(hao)無(wu)(wu)線(xian)傳(chuan)(chuan)輸數(shu)字壓(ya)(ya)力變送器,采(cai)用(yong)電池供電。該系產(chan)品(pin)具(ju)有多(duo)種(zhong)無(wu)(wu)線(xian)傳(chuan)(chuan)輸方(fang)式(shi)，包括 GPRS / LoRa / NB-IoT / ZigBee多(duo)種(zhong)傳(chuan)(chuan)輸方(fang)式(shi)可(ke)選。該系列(lie)產(chan)品(pin)采(cai)用(yong)防爆(bao)型鑄(zhu)鋁外殼和 304不銹鋼接頭，內置高精度壓(ya)(ya)力傳(chuan)(chuan)感器，配備 LCD液(ye)晶顯示屏，可(ke)以測量氣體(ti)、液(ye)體(ti)、油(you)等對不銹鋼無(wu)(wu)腐蝕的(de)介質(zhi)，具(ju)有介質(zhi)兼(jian)容性強等特點。具(ju)有清零、背光(guang)、開關機、單位(wei)切換、低電壓(ya)(ya)報(bao)警(jing)等多(duo)種(zhong)輔助功(gong)能。 本(ben)系列(lie)產(chan)品(pin)具(ju)有傳(chuan)(chuan)感器采(cai)集速度可(ke)設(she)，上發(fa)頻率可(ke)設(she)，高低壓(ya)(ya)報(bao)警(jing)值可(ke)設(she)，即時壓(ya)(ya)力報(bao)警(jing)等功(gong)能。

GPRS傳輸的(de)無線數字壓力變(bian)送器，憑借中國移動成熟(shu)的(de) GPRS網絡(luo),，將現(xian)場的(de)管(guan)道壓力上傳到云端。用戶可(ke)以現(xian)場或者遠程匹配 IP地址及其他常規(gui)參數。

LoRa傳(chuan)輸的無線數字(zi)壓力(li)變(bian)送器，配合 LoRa網關使用(yong)，具有功耗低，傳(chuan)輸距離遠(yuan)，信號穿透力(li)強，自組網等(deng)優點。

NB-IoT傳輸(shu)無線數(shu)字壓力(li)變送器，采(cai)用NB-IoT技術，功耗低(di)，傳輸(shu)效率高，資費低(di)等優(you)點(dian)。

ZigBee傳輸的無線數字(zi)壓力變送(song)器，其特點是近距離、低(di)復雜(za)度、自(zi)組織、低(di)功耗、低(di)數據速(su)率。

壓力變送器品牌

壓(ya)(ya)力(li)(li)(li)變(bian)(bian)送(song)器的(de)主(zhu)要(yao)作用(yong)把壓(ya)(ya)力(li)(li)(li)信(xin)號(hao)傳到(dao)電(dian)(dian)(dian)子設備，進(jin)而(er)在計(ji)算機顯示壓(ya)(ya)力(li)(li)(li)其原理(li)大(da)致(zhi)是(shi)：將水壓(ya)(ya)這(zhe)種壓(ya)(ya)力(li)(li)(li)的(de)力(li)(li)(li)學信(xin)號(hao)轉變(bian)(bian)成(cheng)電(dian)(dian)(dian)流（4-20mA）這(zhe)樣的(de)電(dian)(dian)(dian)子信(xin)號(hao)壓(ya)(ya)力(li)(li)(li)和(he)電(dian)(dian)(dian)壓(ya)(ya)或(huo)(huo)電(dian)(dian)(dian)流大(da)小成(cheng)線性關(guan)(guan)系，一般是(shi)正(zheng)比關(guan)(guan)系。所以，變(bian)(bian)送(song)器輸出的(de)電(dian)(dian)(dian)壓(ya)(ya)或(huo)(huo)電(dian)(dian)(dian)流隨(sui)壓(ya)(ya)力(li)(li)(li)增大(da)而(er)增大(da)由此得出一個壓(ya)(ya)力(li)(li)(li)和(he)電(dian)(dian)(dian)壓(ya)(ya)或(huo)(huo)電(dian)(dian)(dian)流的(de)關(guan)(guan)系式(shi)壓(ya)(ya)力(li)(li)(li)變(bian)(bian)送(song)器的(de)被測(ce)介質的(de)兩(liang)種壓(ya)(ya)力(li)(li)(li)通(tong)入(ru)高、低兩(liang)壓(ya)(ya)力(li)(li)(li)室(shi)，低壓(ya)(ya)室(shi)壓(ya)(ya)力(li)(li)(li)采用(yong)大(da)氣壓(ya)(ya)或(huo)(huo)真空，作用(yong)在δ元（即敏(min)感元件(jian)）的(de)兩(liang)側隔離膜片上，通(tong)過(guo)隔離片和(he)元件(jian)內的(de)填充液傳送(song)到(dao)測(ce)量膜片兩(liang)側。