Zoriver陶瓷电容型压力变送器2088过压可达量程的数倍至百倍0.1级

陶瓷电容型压力变送器2088
2088 Ceramic capacitive pressure transmitter

    概述General overview

    2088陶瓷电容压力变送器采用具有国际先进水平的陶瓷电容传感器，配合高精度电子元件，经严格的工艺过程装配而成。它采用无中介液的干式压力测量技术。充分发挥了陶瓷传感器的技术优势，使压力变送器具有优异的技术性能。它抗过载和抗冲击能力强，稳定性高，并有很高的测量精度。2088陶瓷电容压力变送器具有多种型号，多种量程，多种过程连接形式及材料。可广泛用于石油、化工、电力、冶金、制药、食品等许多工业领域，可适应工业测量的各种场合及介质，是传统压力表及传统压力变送器的理想升级换代产品，是工业自动化领域理想的压力测量仪表。
    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.

    特点Characters
    ● 抗过载和抗冲击能力强 过压可达量程的数倍至百倍。
       Excellent ability to resist the over loading and concussion
    ● 精度高，重复性好稳定性高 优于0.1%F.S/ 年。
       High accuracy level, Good repetition, Good stability which better than 0.1%F.S/year.
    ● 温度漂移小由于取消了测量元件的中介液，因而使传感器获得了很高的测量精度，且受温度影响小。
       Temperature drift canceled the medium liquid, so the transmitter gets a better accuracy and the temperature can not make some effects for it.
    ● 抗干扰能力强 防水、防尘、防振、防爆、防腐。
       Anti-jamming, waterproof, dustproof, vibration-proof, explode-proof, corruption-proof.
    ● 安装简便 产品结构合理，体积小，重量轻，可直接任意位置安装。
       Easy to install, reasonable and compact structure, small weight.

    工作原理Working Principle
    被测介质的压力直接作用于传感器的陶瓷膜片上，使膜片产生与介质压力成正比的微小位移，正常工作状态下，膜片最大位移不大于0.025毫米，电子线路检测这一位移量后，即把这一位移量转换成对应于这一压力的标准工业测量信号。超压时膜片直接贴到坚固的陶瓷基体上，由于膜片与基体间隙只有0.1 毫米，因此过载时膜 片的最大位移只能是0.1 毫米，所以从结构上保证了膜片不会产生过大变型，由于膜片采用高性能的工业陶瓷，因而使传感器具有很强的抗冲击及抗过载能力。

    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.
 

                          图-1 2088 陶瓷电容压力变送器原理图
                      2088 Ceramic capacitive pressure transmitter

    技术参数Technique Index

   技术指标Technique figures
    使用对象: 液体、气体或蒸汽
    Mediums: Liquid, gas and stream
    测量范围: 表 压：0～5KPa～6MPa;负压：-0.1MPa～2MPa
    Ranges: Positive pressure:0～5KPa～6MPa;Negative pressure：-0.1MPa～2MPa
    输出: 4～20mADC
    Output: 4～20mADC
    电源: 12～30VDC
    Power supply: 12～30VDC
    负载特性: 4～20mADC 二线制负载R ≤ 50(V-12)
    Loading: 4～20mADC two-line loading R ≤ 50(V-12)
    温度范围: 环境温度 -20～+70℃ ;
    Temperature: Environment -20～+70℃ ;
    标准介质温度 -20～+80℃
    Standard Medium -20～+80℃
    外壳防护: 优于IP65
    Case protection: Better than IP65
    防爆类型: 本安型ia Ⅱ CT5(应外配安全栅)
    Explode-proof: Essential safety iaⅡCT5(Add safe bar outside)

    性能指标Capability figures
    综合精度: 精度等级：0.1%、0.25% 、0.5%
    Accuracy: Accuracy class: 0.1%、0.25%、0.5%
    温漂：± 0.15%F.S/10℃
    Temperature drift: ± 0.15%F.S/10℃
    稳定性：优于± 0.2% F.S/ 年
    Stability: Better than ± 0.2% F.S/Year
    温度影响： 在 -20～+70℃范围内，变化量小于± 0.18% / 10℃
    Temperature effects: In the scope of -20～+70℃,

        the change is less than ± 0.18% / 10℃
    振动影响： 在任何方向上振动频率为2 0 -200Hz 时，变化量小于± 0.02% BFSL/ 年
    Vibration effects: Under the vibration frequency of 20-200Hz，

        the change is less than ± 0.02% BFSL/year
    冲击影响： 任何方向100G冲击11ms后，变化量小于± 0.02% BFSL
    Concussion effects: After the concussion of 100G for 11ms,

        the change will be less than ± 0.02% BFSL
    负载影响： 只要输入变送器的端子电压高于12V，就无负载影响。
    Loading effects: Make sure the end voltage higher than 12V，
        there will be on loading effects
    位置影响： 安装位置不影响零点
    Position effects: Installing place can not effect the zero point.

    结构指标Structure figures
    结构材料： 膜片：氧化铝陶瓷
    Material: Film: Alumina ceramic
    外壳：低铜铸铝
    Case: Low copper casing aluminum
    接触介质材料：SUS304；（或SUS316 及SUS316l可选）
    Wetted parts: SUS304；（or SUS316 and SUS316l for options）
    过程连接： 标准提供M20×1.5外螺纹 (或者其它约定要求)
    Process Connection: Standard M20×1.5 male thread (or other special requests)
    电气连接： 可根据需要从任何一个出口引出，建议使用φ10工业电缆作为引线，以便密封，引出接头可选用通用电缆接头PG16或M20× 1.5，不引线一端用端盖封住。
    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.

    结构尺寸Dimension

    系统连接及调试Connection and debugging
    变送器在测量系统中的连接见图3。建议电源电压Us 选用24V.DC。
    See the chart as follow. Suggest the supply Us to be 24V.
    二次仪表中采样电阻（负载电阻）RL 的阻值选用250 Ω。如果Us 和RL 选用别的数值，那么RL=Vs-12/0.02值不能超过由公式计算得到的数值。
    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 .
    变送器顶部两侧面的连接孔用电缆密封或信号线装配，信号电缆通过紧固螺母锁紧，不用的连接口必须密封。
    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.

                     图3 电气系统连接Chart 3 Electric connection

    如果使用的是本质安全防爆仪表，必须与安全栅配套使用，组成本安防爆系统。本安防爆系统如图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:

                            图4 本安防爆系统示意图
                      Chart 4 Essential safety system

    出厂前压力变送器已按订货要求调试合格，用户无需再做调整。长时间使用后如需重新标定，可分别调整“调零电位器”和“调量程电位器”。压力量程的下限值对应4mA，上限值对应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.

                               图5 Chart 5

   安 装Installation notes
    1. 直接安装在测量点上（任意角度）。
       Direct install to the measuring point（any angles）.
    2. 尽量安装在温度梯度与温度波动小的场合，同时避免强振动和冲击。
       It is better to be with less temperature fluctuation and avoid the strong vibration.
    3. 测量蒸汽或其它高温介质时，注意不要使变送器的工作温度超限。必要时，请安装散热装置或其它冷却装置连接。
       While measuring the high temperature mediums, please do not exceed the temperature limitation. If necessary, fit it with cooling devices.
    4. 安装时应在变送器和介质之间加装压力截止阀，以便检修和防止取压口堵塞而影响测量精度。在压力波动范围大的场合还应加装阻尼器或压力缓冲装置。

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

    2088选型表 HOW TO ORDER
    型号代码特性说明Code Introduction
    基本型号Basic type
        2088 = 陶瓷电容型压力变送器
        Ceramic capacitive pressure transmitter
    输出Signal output
        420= 24V, 4-20mA
        015= 24V, 1-5V
    精 度Accuracy
        010= 0.1 级 ± 0.1%
        025= 0.25 级 ± 0.25%
        050= 0.5 级 ± 0.5%
    测 量 范 围Ranges
        在 0-5 kPa-6MPa ；或-0.1 MPa- 2 MPa 之间选项,
        0-5KPa-6MPa; or-01MPa-2MPa
       具体代码请参看量程对照表See range table
    仪表连接Connection
        M20= M20X1.5 标准连接Standard connection
        其它连接标准需加装转换接头,或其它约定
        It needs to add transform connection part if choosing other connection type.

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