Zoriver陶瓷電容型壓力變送器2088過壓可達(dá)量程的數(shù)倍至百倍0.1級

陶瓷電容型壓力變送器2088
2088 Ceramic capacitive pressure transmitter

    概述General overview

    2088陶瓷電容壓力變送器采用具有國際先進(jìn)水平的陶瓷電容傳感器，配合高電子元件，經(jīng)嚴(yán)格的工藝過程裝配而成。它采用無中介液的干式壓力測量技術(shù)。充分發(fā)揮了陶瓷傳感器的技術(shù)優(yōu)勢，使壓力變送器具有優(yōu)異的技術(shù)性能。它抗過載和抗沖擊能力強(qiáng)，穩(wěn)定性高，并有很高的測量。2088陶瓷電容壓力變送器具有多種型號，多種量程，多種過程連接形式及材料?？蓮V泛用于石油、化工、電力、冶金、制藥、食品等許多工業(yè)領(lǐng)域，可適應(yīng)工業(yè)測量的各種場合及介質(zhì)，是傳統(tǒng)壓力表及傳統(tǒng)壓力變送器的理想升級換代產(chǎn)品，是工業(yè)自動化領(lǐng)域理想的壓力測量儀表。
    2088 ceramic capacitive pressure transmitter adopt the international advanced ceramic capacitive sensor and high accuracy electron components. It is the dry pressure technique without media liquid. The ceramic pressure transmitter has the incomparable advantage because of its good corrosion-proof, wear-proof, strike-proof and fine accuracy and stability. It has many type models, ranges, process connection types and material. It can be widely used for petrochemical, metallurgical, electric power, pharmacy and food and so on.

    特點(diǎn)Characters
    ● 抗過載和抗沖擊能力強(qiáng) 過壓可達(dá)量程的數(shù)倍至百倍。
       Excellent ability to resist the over loading and concussion
    ● 高，重復(fù)性好穩(wěn)定性高 優(yōu)于0.1%F.S/ 年。
       High accuracy level, Good repetition, Good stability which better than 0.1%F.S/year.
    ● 溫度漂移小由于取消了測量元件的中介液，因而使傳感器獲得了很高的測量，且受溫度影響小。
       Temperature drift canceled the medium liquid, so the transmitter gets a better accuracy and the temperature can not make some effects for it.
    ● 抗干擾能力強(qiáng) 防水、防塵、防振、防爆、防腐。
       Anti-jamming, waterproof, dustproof, vibration-proof, explode-proof, corruption-proof.
    ● 安裝簡便 產(chǎn)品結(jié)構(gòu)合理，體積小，重量輕，可直接任意位置安裝。
       Easy to install, reasonable and compact structure, small weight.

    工作原理Working Principle
    被測介質(zhì)的壓力直接作用于傳感器的陶瓷膜片上，使膜片產(chǎn)生與介質(zhì)壓力成正比的微小位移，正常工作狀態(tài)下，膜片位移不大于0.025毫米，電子線路檢測這一位移量后，即把這一位移量轉(zhuǎn)換成對應(yīng)于這一壓力的標(biāo)準(zhǔn)工業(yè)測量信號。超壓時膜片直接貼到堅固的陶瓷基體上，由于膜片與基體間隙只有0.1 毫米，因此過載時膜 片的位移只能是0.1 毫米，所以從結(jié)構(gòu)上保證了膜片不會產(chǎn)生過大變型，由于膜片采用高性能的工業(yè)陶瓷，因而使傳感器具有很強(qiáng)的抗沖擊及抗過載能力。

    The pressure of the medium direct effects the ceramic film of the transmitter and makes the film gets a little displacement. In the common condition, the displacement is less than 0.025mm and the electron wires can get the information of the displacement and transform it to be a standard industry measuring digital. Because the distance between the film and the ceramic body only is 0.1mm, the biggest displacement for the over pressure is 0.1mm. And the transmitter has the ability to resist the strong concussion and over loading.
 

                          圖-1 2088 陶瓷電容壓力變送器原理圖
                      2088 Ceramic capacitive pressure transmitter

    技術(shù)參數(shù)Technique Index

   技術(shù)指標(biāo)Technique figures
    使用對象: 液體、氣體或蒸汽
    Mediums: Liquid, gas and stream
    測量范圍: 表 壓：0～5KPa～6MPa;負(fù)壓：-0.1MPa～2MPa
    Ranges: Positive pressure:0～5KPa～6MPa;Negative pressure：-0.1MPa～2MPa
    輸出: 4～20mADC
    Output: 4～20mADC
    電源: 12～30VDC
    Power supply: 12～30VDC
    負(fù)載特性: 4～20mADC 二線制負(fù)載R ≤ 50(V-12)
    Loading: 4～20mADC two-line loading R ≤ 50(V-12)
    溫度范圍: 環(huán)境溫度 -20～+70℃ ;
    Temperature: Environment -20～+70℃ ;
    標(biāo)準(zhǔn)介質(zhì)溫度 -20～+80℃
    Standard Medium -20～+80℃
    外殼防護(hù): 優(yōu)于IP65
    Case protection: Better than IP65
    防爆類型: 本安型ia Ⅱ CT5(應(yīng)外配安全柵)
    Explode-proof: Essential safety iaⅡCT5(Add safe bar outside)

    性能指標(biāo)Capability figures
    綜合: 等級：0.1%、0.25% 、0.5%
    Accuracy: Accuracy class: 0.1%、0.25%、0.5%
    溫漂：± 0.15%F.S/10℃
    Temperature drift: ± 0.15%F.S/10℃
    穩(wěn)定性：優(yōu)于± 0.2% F.S/ 年
    Stability: Better than ± 0.2% F.S/Year
    溫度影響： 在 -20～+70℃范圍內(nèi)，變化量小于± 0.18% / 10℃
    Temperature effects: In the scope of -20～+70℃,

        the change is less than ± 0.18% / 10℃
    振動影響： 在任何方向上振動頻率為2 0 -200Hz 時，變化量小于± 0.02% BFSL/ 年
    Vibration effects: Under the vibration frequency of 20-200Hz，

        the change is less than ± 0.02% BFSL/year
    沖擊影響： 任何方向100G沖擊11ms后，變化量小于± 0.02% BFSL
    Concussion effects: After the concussion of 100G for 11ms,

        the change will be less than ± 0.02% BFSL
    負(fù)載影響： 只要輸入變送器的端子電壓高于12V，就無負(fù)載影響。
    Loading effects: Make sure the end voltage higher than 12V，
        there will be on loading effects
    位置影響： 安裝位置不影響零點(diǎn)
    Position effects: Installing place can not effect the zero point.

    結(jié)構(gòu)指標(biāo)Structure figures
    結(jié)構(gòu)材料： 膜片：氧化鋁陶瓷
    Material: Film: Alumina ceramic
    外殼：低銅鑄鋁
    Case: Low copper casing aluminum
    接觸介質(zhì)材料：SUS304；（或SUS316 及SUS316l可選）
    Wetted parts: SUS304；（or SUS316 and SUS316l for options）
    過程連接： 標(biāo)準(zhǔn)提供M20×1.5外螺紋 (或者其它約定要求)
    Process Connection: Standard M20×1.5 male thread (or other special requests)
    電氣連接： 可根據(jù)需要從任何一個出口引出，建議使用φ10工業(yè)電纜作為引線，以便密封，引出接頭可選用通用電纜接頭PG16或M20× 1.5，不引線一端用端蓋封住。
    Electric connection: It is better to choose φ10 industry wire connect from any exit. The connect end can be PG16 or M20 × 1.5，and seal the other end.

    結(jié)構(gòu)尺寸Dimension

    系統(tǒng)連接及調(diào)試Connection and debugging
    變送器在測量系統(tǒng)中的連接見圖3。建議電源電壓Us 選用24V.DC。
    See the chart as follow. Suggest the supply Us to be 24V.
    二次儀表中采樣電阻（負(fù)載電阻）RL 的阻值選用250 Ω。如果Us 和RL 選用別的數(shù)值，那么RL=Vs-12/0.02值不能超過由公式計算得到的數(shù)值。
    The connected gauge should be RL=250Ω。If you choose other date for Us and RL，the RL can not exceed RL=Vs-12/0.02 .
    變送器頂部兩側(cè)面的連接孔用電纜密封或信號線裝配，信號電纜通過緊固螺母鎖緊，不用的連接口必須密封。
    Use wires to seal the holes on the sides of the transmitter or install the signal wire to the holes and fix by tight nut. The hole without used should be sealed.

                     圖3 電氣系統(tǒng)連接Chart 3 Electric connection

    如果使用的是本質(zhì)安全防爆儀表，必須與安全柵配套使用，組成本安防爆系統(tǒng)。本安防爆系統(tǒng)如圖4 所示。
    If it is the essential safety pressure gauge, it is necessary to fit with the safe bar to form the essential safety system as following:

                            圖4 本安防爆系統(tǒng)示意圖
                      Chart 4 Essential safety system

    出廠前壓力變送器已按訂貨要求調(diào)試合格，用戶無需再做調(diào)整。長時間使用后如需重新標(biāo)定，可分別調(diào)整“調(diào)零電位器”和“調(diào)量程電位器”。壓力量程的下限值對應(yīng)4mA，上限值對應(yīng)20mA.
    The transmitter has been debugged as the customer’s request, no need to debug again. After long time of using, if needed, it can be debugged by adjust“ Zero electric device” and“ Range electric device”. The down limit of the range should be corresponding with 4mA，and up limit will be with 20mA.

                               圖5 Chart 5

   安 裝Installation notes
    1. 直接安裝在測量點(diǎn)上（任意角度）。
       Direct install to the measuring point（any angles）.
    2. 盡量安裝在溫度梯度與溫度波動小的場合，同時避免強(qiáng)振動和沖擊。
       It is better to be with less temperature fluctuation and avoid the strong vibration.
    3. 測量蒸汽或其它高溫介質(zhì)時，注意不要使變送器的工作溫度超限。必要時，請安裝散熱裝置或其它冷卻裝置連接。
       While measuring the high temperature mediums, please do not exceed the temperature limitation. If necessary, fit it with cooling devices.
    4. 安裝時應(yīng)在變送器和介質(zhì)之間加裝壓力截止閥，以便檢修和防止取壓口堵塞而影響測量。在壓力波動范圍大的場合還應(yīng)加裝阻尼器或壓力緩沖裝置。

       Add pressure cut-off valve between the transmitter and the medium and add the dampers if the pressure changes a lot.

    2088選型表 HOW TO ORDER
    型號代碼特性說明Code Introduction
    基本型號Basic type
        2088 = 陶瓷電容型壓力變送器
        Ceramic capacitive pressure transmitter
    輸出Signal output
        420= 24V, 4-20mA
        015= 24V, 1-5V
    精 度Accuracy
        010= 0.1 級 ± 0.1%
        025= 0.25 級 ± 0.25%
        050= 0.5 級 ± 0.5%
    測 量 范 圍Ranges
        在 0-5 kPa-6MPa ；或-0.1 MPa- 2 MPa 之間選項,
        0-5KPa-6MPa; or-01MPa-2MPa
       具體代碼請參看量程對照表See range table
    儀表連接Connection
        M20= M20X1.5 標(biāo)準(zhǔn)連接Standard connection
        其它連接標(biāo)準(zhǔn)需加裝轉(zhuǎn)換接頭,或其它約定
        It needs to add transform connection part if choosing other connection type.

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