注：以上所标价格为含17%税,不开票下浮10%,含运费（默认发快递或物流,需要发其他方式运费另计，新疆，西藏等偏远地区需要另加运费，拍前请联系客服）
以上价格为不带HART协议价格,带HART协议另加150.00
需要配三阀组另加250.00
一、产品简介 Product introduction
FY3051系列智能型变送器采用了数字技术及特殊的集成电路和表面安装技术，减小了体积，确保了性能和可靠性。
FY3051 series intelligent transmitter adopts digital technology and special integrated circuit and surface mounting technology, Reduced volume, Ensure the performance and reliability,
FY3051系列智能化变送器除具有远程通讯功能外，还具有内部量程和调零按钮，便于现场重新调整量程和零位、变送器的输出有线性或开方，均可以通过软件实现。此外，FY3051系列变送器可以在4~20mA传输信号上叠加一个数字通讯信号进行查询和诊断，然而有不中断过程输出信号，可在控制室对变送器进行远程查询和重新组态。
FY3051 series intelligent transmitter with remote communication function, Also has an internal range and zero adjustment button, To facilitate the field to re adjust the range and zero, The output of the transmitter is linear or square, Can be achieved through software. In addition, FY3051 series transmitter can transmit signals in 4~20mA Stack a digital communication signal for query and diagnosis, However, there is no interrupt process output signal, Remote query and reconfiguration of transmitter in control room.
FY3051系列智能化变送器具有非常丰富的种类，此系列产品可以精确地测量微差压至大差压，低压力至高压力、液位、真空度和比重。配合节流装置还可以测量流量,不需要采用开方器。
FY3051 series intelligent transmitter has a very rich variety, This series of products can accurately measure the micro differential pressure to large differential pressure, Low pressure high pressure, liquid level, vacuum degree And specific gravity. With the throttle device can also measure the flow, Without the use of square root extractor.
FY3051系列智能化变送器分普通性,本质安全性和防爆性三种。防爆性产品按照相应的国家标准制造。
FY3051 series intelligent transmitter sub general, Intrinsically safe and explosion-proof three. Anti explosion products in accordance with the relevant national standards for manufacturing.
FY3051LT型法兰式智能液位变送器，有平法兰和插入式法兰；安装法兰有3#和4#，150#(工作压力为1.89Mpa)和300#(工作压力为4.95Mpa)四种组合可供用户选择。接液材质除316不锈钢之外，还有哈氏合金，蒙乃尔和钽，可使用于腐蚀性介质中。
FY3051LT type flange type intelligent liquid level transmitter, Flat flange and insert flange; Mounting flanges are 3# and 4#,150# (working pressure is 1.89Mpa) And 300# (working pressure is 4.95Mpa) Four kinds of combination can be used for the user to choose. In addition to the liquid material 316 stainless steel, There are Hastelloy, Monel and tantalum, can be used in corrosive medium.
FY3051DP智能型差压变送器、FY3051GP智能性压力变送器装上1199型远传密封装置后，可避免被测介质直接与变送器的隔离膜片接触，提供了一种可靠的测量方法，延长变送器的寿命。
FY3051DP intelligent differential pressure transmitter、FY3051GP intelligent pressure transmitter Install the 1199 type remote seal device, Can avoid the direct contact with the transmitter isolation diaphragm, A reliable measurement method is provided, Extend the life of the transmitter.
FY3051系列智能化变送器采用金属密封的δ室作为感测元件，使变送器消除机械方式传递力时抗冲击和振动差的问题；消除外部应力和扭动引起的误差，保证变送器具有较高的稳定性能，同时减小静压(13.79Mpa~31.0Mpa)引起的误差；由于各种类采用大致相同外形尺寸的δ室，使FY3051整个系列从测量0.12Kpa的微差压型到21.0Mpa的压力型，都具有大致相同的外形与重量。
FY3051 Series Intelligent Transmitter Sensing element using a metal sealing chamber, The problem of eliminating the impact and vibration of the transmitter in the way of mechanical transmission; Eliminating the error caused by external stress and twisting, Ensure transmitter has high stability, At the same time to reduce the static pressure (13.79Mpa~31.0Mpa) caused by the error; A delta chamber with approximately the same size as the various classes, Making FY3051 the entire series from the measurement of the 0.12Kpa micro differential pressure type to the 21.0Mpa pressure type, Have roughly the same shape and weight.
FY3051系列智能化变送器设计精巧，安装使用和调校方便简单.接线端子和放大线路放置在上部的可密闭的电气腔室中，且彼此相互隔离开。现场接线时，放大器在密封状态下工作并带有反级性保护，防止由于接线错误而损坏变送器。
FY3051 series intelligent transmitter design, Installation and adjustment convenient and simple. Wiring terminals and amplifying circuits are placed in a closed electrical chamber in the upper part of the chamber, And separated from each other. Site wiring, The amplifier works in a sealed state and with anti - level protection, Prevent damage to the transmitter due to wiring errors.
FY3051系列智能化变送器工作时容积变化量小于0.16毫升，可防止被测介质液柱过大变化，因而可不需要为补偿容积变化量而增置冷凝或液位筒,采用钽，哈氏合金和蒙乃尔合金等防腐材质，可以适应腐蚀性介质的测量。采用集成电路元件和插入式印刷电路板，使得故障少，维修方便，减少备品备件，降低了维护成本。
FY3051 Series Intelligent Transmitter At work Volume change is less than 0.16 ml, Can prevent the measured medium liquid column is too big change, thus May not need by Compensated volume change and Increasing condenser or liquid level tube, Using tantalum, Hastelloy and Monel alloy anticorrosion materials, Can be adapted to the measurement of corrosive media. Integrated circuit element and Insert type printed circuit board, Less failure and convenient maintenance, reduce spare parts, reduce maintenance costs.
二、产品特点 Product features
变送器系列：包括压力、差压、绝对压力、法兰液位和带远传装置等系列智能型变送器；
Transmitter series: include Pressure, differential pressure, absolute pressure, flange level and belt Remote device Series intelligent transmitter;
测量范围：0~7.5Kpa至0~41000Kpa；
Measurement range: 0~7.5Kpa to 0~41000Kpa；
采用固体、接插式印刷线路板；
Using solid, plug type printed circuit board;
结构小巧、坚固、抗振；
Compact, rugged, anti vibration;
本机零点与量程可调整；
This machine Zero and range can be adjusted;
模块化结构；
Modular structure;
阻尼可调；
Adjustable damping;
多种选择、应用灵活;
A variety of choice, application flexibility;
智能电路：FY3051系列智能化变送器可准确的测量流量、表压、绝压、真空度和比重.具有全密封δ室电容敏感元件的直接电子传感器,使压力测量实现重大改进和良好的稳定性；
Intelligent circuit: FY3051 Series Intelligent Transmitter can Accurate measurement of flow, Gauge pressure, absolute pressure, Vacuum degree and specific gravity. With fully sealed delta chamber capacitive sensing element Direct electronic sensor, Make great improvement and stability of pressure measurement;
小巧的设计，一体化接线盒和本机零点与量程调整，使安装、校验和运行简单化；
Compact design, Integrated junction box and Zero and span adjustment, Make installation, calibration and operation simple;
外壳为隔爆性、防水型、电路板与接线分离的两个室结构.大多数型号都可以提供腐蚀性场所所用的316L、316SST、哈氏合金、蒙乃尔、镀金蒙乃尔等材质；
Enclosure is an explosion proof, Waterproof type, Circuit board and wiring separation of the two room structure. Most models Can provide corrosive place The used 316L、316SST、Hastelloy, Monel, Meng Naier gold and other materials;
三、工作原理 working principle
FY3051系列智能化变送器由传感器和电子线路板两部分组成，传感器部分包括：敏感元件、直接数字电容电路、温度传感器和特征化EEPROM等组成；电子线路板部分包括：微处理器、数/模信号转换器、数字通讯和存储器EEPROM等几部分组成，完成压力信号到4~20mA的转换，以下对其原理进行简单的说明。
FY3051 Series Intelligent Transmitter By sensor and electronic circuit board two parts, The sensor section includes: Sensitive element, direct digital capacitance circuit, Temperature sensor And Characteristic EEPROM etc. form；Electronic circuit board section includes: Microprocessor, number / analog signal converter, Digital communication and storage EEPROM etc. Several parts, Completion of the pressure signal to 4~20mA conversion The following is a brief description of its principles.
1、传感器部分：sensor part
①敏感元件：Sensitive element
被测介质的压力通过δ室(见下图)的隔离膜片(FY3051LT和带1199远传装置的压力、差压变送器则是被测压力先经过一次隔离膜片和冲满硅油或氟油的全密封的毛细管系统再被传到隔离膜片)和其中的灌冲油传到中心的测量膜片上，除FY3051AP智能型绝对压力变送器,其测量膜片的零一侧是绝对真空基准点(见下图)外，其他种类变送器的测量膜片的零一侧不是大气压力，就是被测量差压的低压侧。测量膜片是一种预张紧的弹性元件,其位移与被测介质的压力成正比,最大的位移只有0.10mm,测量膜片的位置由它两侧的电容固定极板检测出来。测量膜片和两个电容固定极板的差动电容被放大器电路线性地转换成4~20mADC的二线制电流信号；
Measured medium pressure through the delta chamber (see figure below) the isolation diaphragm(FY3051LT and 1199 remote device of pressure, differential pressure transmitter is measured pressure after a diaphragm and filled with silicone oil or fluoride oil sealed capillary system is then transmitted to the barrier diaphragm) and One of the filling oil to the center of the measurement of the diaphragm, except FY3051AP Intelligent absolute pressure transmitter, The zero or one side of the measuring diaphragm is the absolute vacuum reference point (see figure below), Measuring diaphragm of other kinds of transmitters no Atmospheric pressure, Is measured by the low pressure side of the differential pressure. Measuring diaphragm is a kind of pre tension elastic element, Its displacement is proportional to the pressure of the measured medium, The largest displacement is only 0.10mm, Measurement of the position of the diaphragm by the capacitance of the fixed plates on both sides detected out. The differential capacitance of the measuring diaphragm and the two capacitance fixed plates is linearly converted into the second line current signal of the 4~20mADC by the amplifier circuit;
②直接数字电容电路：Direct digital capacitance circuit:
该电路是采用敏感元件所承受的压力转换为频率信号，并使频率信号与压力信号成正比关系，供CPU采样使用；
The circuit is converted into frequency signal by using the pressure sensitive element, And the frequency signal is proportional to the pressure signal, for CPU sampling use；
③温度传感器：Temperature sensor：
用来测量压力传感器的工作介质温度,并将其转换为数字信号,供CPU进行数字温度补偿；
Working medium temperature for measuring pressure sensor, And converts it to a digital signal, for CPU Digital temperature compensation;
④特征化EEPROM：Characteristic EEPROM：
保存变送器温度补偿、传感器特征化曲线及特征数据和数字微调等数据.即使关闭电源,数据仍能完整的保存在存储器中。
preservation Transmitter temperature compensation, Sensor characteristic curve And characteristic data And digital trimming and other data. Even turn off the power, Data can still be stored in memory.
2．电子线路板部分：Electronic circuit board part
①微处理器(CPU)：microprocessor(CPU)
微处理器控制变送器的运行，对压力敏感元件通过直接数字电容电路和温度传感器对其工作压力和工作介质进行检测。微处理器利用传感器特征化EEPROM中的数据进行线性化处理和补偿运算，计算出工作介质的压力值,并送往数/模转换器和HART通讯部分。从而在原理上实现了电子板与传感器互换不会影响变送器的输出特征。除此之外微处理器还进行传递函数的运算、工程单位及量程的转换、阻尼调整及诊断功能；
Microprocessor control transmitter operation, Pressure sensitive element The working pressure and working medium were tested by direct digital capacitance circuit and temperature sensor. Microprocessor based sensor feature EEPROM in the data processing and compensation for linear, Calculate the pressure value of the working medium, And sent to the number / analog converter and HART communication part. In principle, the electronic board and sensor exchange will not affect the output characteristics of the transmitter. In addition the microprocessor also carries on the operation of the transfer function, Engineering unit and measurement range conversion, damping adjustment and diagnosis function;
②存储器EEPROM：storage EEPROM
保存着通过远程、本地调整所能修改的所有组态数据。即使关闭了电源，仍能完整保存存储器中的数据；
Save the remote, Local adjustment Capable of being modified. All configuration data. Even off the power, Can still save the data in the memory;
