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    1. 液位計(jì)廠家,液位變送器廠家產(chǎn)品推薦
      3151/3051數(shù)顯微差壓液位變送器怎樣選擇取壓位置
      信息來源: 液位變送器使用 | 2020-09-30 點(diǎn)擊量: 7090


      壓力變送器的原理--是將一個(gè)空間用敏感元件(多用膜盒)分割成兩個(gè)腔室,分別向兩個(gè)腔室引入壓力時(shí),傳感器在兩方壓力共同作用下產(chǎn)生位移(或位移的趨勢(shì)),這個(gè)位移量和兩個(gè)腔室壓力差(差壓)成正比,將這種位移轉(zhuǎn)換成可以反映差壓大小的標(biāo)準(zhǔn)信號(hào)輸出。
      3151/3051數(shù)顯微差壓液位變送器取壓點(diǎn)的選?。?br /> 測(cè)量液體壓力時(shí),取壓點(diǎn)應(yīng)在設(shè)置工藝管道的下半部與工藝管道的水平中心線成0度~45度夾角的范圍內(nèi);
      量程的確定從擴(kuò)散硅壓力變送器的壓力測(cè)量系數(shù)決定,一般選擇量程時(shí),我們通常使工作壓力值大于標(biāo)準(zhǔn)量程值30%為宜,整個(gè)測(cè)量系統(tǒng)中可能出現(xiàn)的異常情況所導(dǎo)致的過載壓力不得超過擴(kuò)散硅壓力變送器允許的過載量。測(cè)量動(dòng)態(tài)管路液體壓力時(shí),還應(yīng)考慮水垂效應(yīng),適當(dāng)增大擴(kuò)散硅壓力變送器載量,如需相關(guān)技術(shù)幫助可咨詢我公司技術(shù)部。
      3151/3051數(shù)顯微差壓液位變送器怎樣計(jì)算高度
          1.顯示百分比的計(jì)算方法
          方法:如果表頭看到顯示了一個(gè)百分?jǐn)?shù),那么用百分?jǐn)?shù)乘以量程則得出液位高度。百分比*量程=液位高度
          舉例:顯示數(shù)值是30%,變送器量程是10米,那么液位就是3米了。
          差壓液位變送器怎樣計(jì)算高度    
          常規(guī)時(shí)候還需要考慮毛細(xì)管的長(zhǎng)度設(shè)計(jì)和穩(wěn)定性考慮,
      其典型的特征就是有1條或者兩條長(zhǎng)長(zhǎng)的毛細(xì)取壓管,我們也管這叫做單/雙法蘭差壓變送器,有兩條就是雙法蘭了。那么差壓液位變送器毛細(xì)管長(zhǎng)度有標(biāo)準(zhǔn)規(guī)定嗎
          通常在差壓液位變送器選型表里面會(huì)給出這種關(guān)鍵參數(shù)指標(biāo)的,常用的規(guī)格有3米,5米和10米三種,兩跟毛細(xì)管長(zhǎng)度都是一樣長(zhǎng)的。
          最長(zhǎng)最好不要超過10M,有的差壓變送器廠家的毛細(xì)管是達(dá)不到10米的,所以具體要問,不過最好是最短越好的,價(jià)格就擺在那里。
          在如航空航天、 軍工、 石化、 化工、 油井、 電力、 船舶、 建材、 管道等眾多行業(yè)。 一般用在液體、 氣體或蒸汽的壓力或絕對(duì)壓力的測(cè)量,介質(zhì)溫度不太高,腐蝕性不強(qiáng),粘稠度不高,不容易結(jié)晶等環(huán)境。3151/3051數(shù)顯微差壓液位變送器怎樣選擇取壓位置

      When measuring the liquid pressure, the pressure measuring point should be within the range of 0 ~ 45 degrees between the lower half of the set process pipeline and the horizontal center line of the process pipeline;

      The determination of measuring range is determined by the pressure measurement coefficient of diffusion silicon pressure transmitter. Generally, when selecting the range, we usually make the working pressure value 30% higher than the standard range value. The overload pressure caused by the possible abnormal conditions in the whole measurement system should not exceed the overload allowed by the diffusion silicon pressure transmitter. When measuring the dynamic pipeline liquid pressure, we should also consider the water drop effect and appropriately increase the load of diffusion silicon pressure transmitter. If you need relevant technical assistance, please consult our technical department.

      How to calculate the height of 3151 / 3051 digital display micro differential pressure level transmitter

      1. Calculation method of display percentage

      Method: if the indicator shows a percentage, then multiply the percentage by the range to get the liquid level height. Percentage * range = level height

      For example: the display value is 30%, the transmitter range is 10 meters, then the liquid level is 3 meters.

      How to calculate the height of differential pressure level transmitter

      The length design and stability of the capillary tube should be considered in normal conditions,

      Its typical feature is that there is one or two long capillary pressure pipes, which we call single / double flange differential pressure transmitter. There are two double flange. Is there a standard for the capillary length of differential pressure liquid level transmitter

      This key parameter index is usually given in the selection table of differential pressure liquid level transmitter. The commonly used specifications are 3 m, 5 m and 10 m, both of which are the same length as the capillary.

      The maximum length is not more than 10m. Some manufacturers of differential pressure transmitters have capillaries less than 10m, so we have to ask specifically, but the shortest is the best, and the price is there.

      量測(cè)液體壓力時(shí),取壓點(diǎn)應(yīng)在設(shè)定工藝筦道的下半部與工藝筦道的水準(zhǔn)中心線成0度~45度夾角的範(fàn)圍內(nèi);
      量程的確定從擴(kuò)散矽壓力變送器的壓力測(cè)量係數(shù)決定,一般選擇量程時(shí),我們通常使工作壓力值大於標(biāo)準(zhǔn)量程值30%為宜,整個(gè)量測(cè)系統(tǒng)中可能出現(xiàn)的異常情況所導(dǎo)致的超載壓力不得超過擴(kuò)散矽壓力變送器允許的超載量。量測(cè)動(dòng)態(tài)管路液體壓力時(shí),還應(yīng)考慮水垂效應(yīng),適當(dāng)增大擴(kuò)散矽壓力變送器載量,如需相關(guān)科技幫助可諮詢我公司技術(shù)部。
      3151/3051數(shù)顯微差壓液位變送器怎樣計(jì)算高度
      1.顯示百分比的計(jì)算方法
      方法:如果表頭看到顯示了一個(gè)百分?jǐn)?shù),那麼用百分?jǐn)?shù)乘以量程則得出液位高度。百分比*量程=液位高度
      舉例:顯示數(shù)值是30%,變送器量程是10米,那麼液位就是3米了。
      差壓液位變送器怎樣計(jì)算高度
      常規(guī)時(shí)候還需要考慮毛細(xì)管的長(zhǎng)度設(shè)計(jì)和穩(wěn)定性考慮,
      其典型的特徵就是有1條或者兩條長(zhǎng)長(zhǎng)的毛細(xì)取壓管,我們也管這叫做單/雙法蘭差壓變送器,有兩條就是雙法蘭了。那麼差壓液位變送器毛細(xì)管長(zhǎng)度有標(biāo)準(zhǔn)規(guī)定嗎
      通常在差壓液位變送器選型錶裡面會(huì)給出這種關(guān)鍵參數(shù)名額的,常用的規(guī)格有3米,5米和10米三種,兩跟毛細(xì)管長(zhǎng)度都是一樣長(zhǎng)的。
      最長(zhǎng)最好不要超過10M,有的差壓變送器廠家的毛細(xì)管是達(dá)不到10米的,所以具體要問,不過最好是最短越好的,價(jià)格就擺在那裡。
         

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