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technical article
Knowledge about input level transmitters
2011-10-12 9:49:27

First, the characteristics of the input level transmitter

  使用寿命 投入式液位变送器 发挥了陶瓷传感器抗腐蚀性能 好的技术特点 膜片采用 技术激光调制 电路, 并且 传感器 外壳采用 不锈钢制作 方式。 (1) Longer service life : The input type liquid level transmitter takes advantage of the technical characteristics of the ceramic sensor's good anti-corrosion performance , the diaphragm uses a high-tech laser-modulated circuit, and the sensor housing is made of stainless steel .  
    安装 比较 方便 投入式液位变送器 将投入式液位变送器 探头投入液体中,引出信号线同二次仪表连接就可 进行液位测量 (2) Installation is more convenient : the input type liquid level transmitter only needs to put the probe of the input type liquid level transmitter into the liquid, and the lead-out signal line can be connected to the secondary instrument to perform the liquid level measurement .  
温度稳定性好 投入式液位变送器 在0-70 可以 实现了 自身的 温度补偿,在信号转换电路中加入了温度补偿电路,消除电路温漂对精度的影响,从而提高精度 (3) Good temperature stability : The input-type liquid level transmitter can achieve its own temperature compensation within 0-70 , and a temperature compensation circuit is added to the signal conversion circuit to eliminate the influence of circuit temperature drift on accuracy, thereby Improve accuracy . 没有 可动部件,可靠性高,使用寿命长、粘度较大的糊状 可以进行高精度测量,不 被测介质起泡、沉积、电气特性的影响 ,使得 温度补偿 发生变化 Solid structure, no moving parts, high reliability, long service life, high viscosity paste can also be measured with high accuracy, without the influence of the measured medium blisters, deposition, electrical characteristics , the temperature compensation changes .

具有电源反相极性保护 及过载限流保护: 投入式液位变送器 的投入头 加保护帽,测量膜片与介质大面积接触。 (4) It has reverse polarity protection for power supply and overload current limit protection: The input head of the input type liquid level transmitter does not need to be protected by a protective cap, and the measuring diaphragm is in large area contact with the medium. 易堵塞,便于清洗, The sensor used is a ceramic capacitor diaphragm, which has strong impact resistance, is not easy to block, and is easy to clean.

投入式液位变送器 技术参数 Technical parameters of input level transmitter
    测量范围: 0-1KPa-2MPa (1) Measuring range: 0-1KPa-2MPa ;

    精度等级: 0.1、0.2、0.5级 (2) Accuracy grade: 0.1, 0.2, 0.5 ;

    防爆等级: ExiaⅡCT4-CT6(本安型) (3) Explosion-proof grade: ExiaⅡCT4-CT6 (intrinsically safe type) ;

    工作电压: 12.5-36VDC (4) Working voltage: 12.5-36VDC ;

    输出信号: 4-20mA/1-5v (5) Output signal: 4-20mA / 1-5v ;

    量程迁移: 可 做标准量程10∶1迁移传感器 (6) Range migration: Can do standard range 10: 1 migration sensor ;

    材料: 96%氧化铝陶瓷 (7) Material: 96% alumina ceramics ;

    传感器防护等级:IP68 (8) Sensor protection level: IP68 ;

   信号线孔: PGl6 (9) Signal line hole: PGl6 ;

    密封材料: 氟素橡胶,PTFE(聚四氟乙烯) (10) Sealing material: fluorine rubber, PTFE (polytetrafluoroethylene) ;

    过程连接线: 外螺纹G2 (11) Process connection line: external thread G2 .