小巧型變送器類型

特點

可調節

工作穩定可靠

抗振動、抗沖擊

反極性、過電壓保護

防電磁射頻干擾

小巧型變送器類型

技術參數

• 測量范圍：-100KPa～60MPa

• 允許溫度

• 介質溫度：-30～85℃ 可達200℃

• 環境(jing)溫度：-30～80℃

• 儲存(cun)溫度：-30～+80℃

• 溫度影響：TK<±0.02±%FS/K

• 精度(du)等級：0.2、0.5級

• 工作電壓：12～36VDC

• 工作溫度：-30～80℃

• 輸出信號：4～20mA（二線(xian)制）、1～5V （三線(xian)制）

• 負載電阻：<=750Ω

• 模擬型特點

• 精度高

• 量程(cheng)、零點(dian)外部連(lian)續(xu)可調

• 穩定性能好

• 正遷(qian)移可(ke)達500%、負遷(qian)移可(ke)達600%

• 二線制

• 阻尼可調、耐過

• 固體傳感器設計

• 無機械可動部件(jian)、維修量少

• 重量輕（2.4kg）

• 全系(xi)列統一結構、互換性強

• 小型化（166mm總高）

• 接觸介質的膜片材料可選

• 單邊抗過壓強

• 低壓澆鑄鋁合金殼體

• 性能參數

  編輯

• 數(shu)字精(jing)度：+（-）0.075%

• 穩定(ding)性：0.075% 60個月

• 量程比：100：1

• 測量速率：0.2S

• 小型化（2.4kg）全不(bu)銹鋼法蘭，易(yi)于安裝(zhuang)

• 過程連(lian)接與其它產品兼容(rong)，實現(xian)測量(liang)

• 世(shi)界上采用H合(he)金護(hu)套的傳(chuan)感器（技術），實現了(le)優良的冷、熱(re)穩(wen)定性

• 采用16位計算機的智(zhi)能變送(song)器

• 標(biao)準4~20mA，帶有基于(yu)HART協(xie)議的數字信號，遠(yuan)程(cheng)操(cao)控

• 支持向現場總線與(yu)基(ji)于現場控制(zhi)的技術的升級。

• 變(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)種類很多，總體來說(shuo)就(jiu)是(shi)由變(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)發(fa)出一種信(xin)(xin)號(hao)(hao)來給(gei)二次儀表使二次儀表顯(xian)示測量(liang)數據。 將(jiang)物理測量(liang)信(xin)(xin)號(hao)(hao)或普通電(dian)信(xin)(xin)號(hao)(hao)轉換為標準電(dian)信(xin)(xin)號(hao)(hao)輸出或能夠以(yi)通訊協議方(fang)式(shi)輸出的設備(bei)。一般分為：溫度/濕度變(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)，壓力(li)變(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)，差(cha)壓變(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)，液位變(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)，電(dian)流變(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)，電(dian)量(liang)變(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)，流量(liang)變(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)，重量(liang)變(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)等(deng)。 變(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)遵循(xun)一個(ge)物理定律（或實驗(yan)數學(xue)模型）將(jiang)物理量(liang)的變(bian)(bian)(bian)化轉化成4-20mA等(deng)標準信(xin)(xin)號(hao)(hao)的裝置。變(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)是(shi)把傳(chuan)感(gan)器(qi)(qi)(qi)(qi)(qi)的輸出信(xin)(xin)號(hao)(hao)轉變(bian)(bian)(bian)為可被控制器(qi)(qi)(qi)(qi)(qi)識別的信(xin)(xin)號(hao)(hao)的轉換器(qi)(qi)(qi)(qi)(qi)，還可以(yi)將(jiang)傳(chuan)感(gan)器(qi)(qi)(qi)(qi)(qi)輸入的非電(dian)量(liang)轉換成電(dian)信(xin)(xin)號(hao)(hao)同(tong)時放大以(yi)便供遠方(fang)測量(liang)和控制的信(xin)(xin)號(hao)(hao)源。